Providers Timothy O'Shea, PHARMD, RPH to Kelly O'Sullivan, MSN, AGACNP-BC
300 individual NPIs in the federal registry, part 16,055 of 24,427 of the A to Z by surname. Each row is the registry's record: the name and credential, the NPI, the primary specialty, the practice city and the year the NPI was issued. 98 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Timothy O'Shea, PHARMD, RPH | 1366970972 | Pharmacist | Montgomery, NY | 2017 |
| Timothy O'Shea, DMD | 1558713842 | Dentist | Ann Arbor, MI | 2016 |
| Timothy O'Shea, D.D.S. | 1942236526 | General Practice Dentistry | Decatur, GA | 2006 |
| Tina O'Shea, M.D. | 1306284716 | Obstetrics & Gynecology Physician | Gainesville, FL | 2013 |
| Tracey O'Shea, FNP | 1508201443 | Family Nurse Practitioner | Berkeley, CA | 2013 |
| Tracie O'Shea, CRNA | 1740208800 | Certified Registered Nurse Anesthetist | Syracuse, NY | 2006 |
| Tracy O'Shea, MS ED | 1225379639 | Specialist | Fairport, NY | 2013 |
| Tracy O'Shea, APRN-CNP #58842 | 1336788850 | Family Nurse Practitioner | Albuquerque, NM | 2019 |
| Vanessa O'Shea, LICSW | 1700304417 | Clinical Social Worker | Grand Isle, VT | 2017 |
| Victoria O'Shea, RPH | 1225022874 | Pharmacist | Fort Bragg, NC | 2005 |
| Wendy O'Shea, RN | 1184865511 | Community Health Registered Nurse | Harrisburg, PA | 2009 |
| William O'Shea, CNP | 1205235462 | Gerontology Nurse Practitioner | East Boston, MA | 2014 |
| Suzanne O'Shea Bordeleau, MA, CGS, MFT, LMHC | 1932827557 | Marriage & Family Therapist | Cranston, RI | 2022 |
| Kathleen O'Shea Crocker, MD | 1043233893 | Pediatrics Physician | Chalfont, PA | 2006 |
| Summer O'Shea Hutchins, CARE COORDINATOR | 1275783409 | Case Manager/Care Coordinator | Wasilla, AK | 2008 |
| Erin O'Shea Paudel, D.O. | 1033472352 | Pulmonary Disease Physician | Worcester, MA | 2012 |
| Elizabeth O'Shea-Betker, MS-CF-SLP | 1669948253 | Speech-Language Pathologist | Bozeman, MT | 2018 |
| Marla O'Shea-Bulman, PHARM.D. | 1063620078 | Pharmacotherapy Pharmacist | Haydenville, MA | 2007 |
| Dawn O'Shea-Farley, MS | 1053727362 | Professional Counselor | Jackson, WI | 2014 |
| Patricia O'Shea-Fournier, RN | 1013292812 | School Registered Nurse | Rochester, NY | 2011 |
| Therese O'Shea-Kinsley, M.S. | 1578630950 | Speech-Language Pathologist | Glenview, IL | 2006 |
| Branwen O'Shea-Refai, L.C.S.W | 1376504688 | Clinical Social Worker | Hamden, CT | 2006 |
| Ellen O'Shea-Speziale | 1336402221 | Specialist | Garden City, NY | 2012 |
| Steven O'Sheal, MD | 1205820800 | Anatomic Pathology & Clinical Pathology Physician | Alabaster, AL | 2005 |
| Kristin O'Shee, WASHINGTON, DC | 1144068933 | Professional Counselor | Washington, DC | 2024 |
| Seth O'Shee, DDS | 1487145165 | Dentist | Baton Rouge, LA | 2018 |
| Poppy O'Sheehan | 1689881492 | Case Manager/Care Coordinator | Fort Bragg, CA | 2007 |
| Elizabeth O'Shei, RN | 1104174598 | Registered Nurse | West Seneca, NY | 2012 |
| Sarah O'Shei, PT, DPT | 1588498430 | Physical Therapist | Rowlett, TX | 2024 |
| Amber O'Shell | 1033760640 | Certified Registered Nurse Anesthetist | Detroit, MI | 2019 |
| Annette O'Shell | 1780155036 | Personal Care Attendant | Dunedin, FL | 2018 |
| Ashlee O'Shell, M.D. | 1912357526 | Obstetrics & Gynecology Physician | Bloomfield Hills, MI | 2016 |
| Colleen O'Shell, PA-C | 1467693572 | Physician Assistant | Tampa, FL | 2009 |
| Karen O'Shell, LCSW | 1104954353 | Clinical Social Worker | Eureka, CA | 2007 |
| Lori O'Shell, CNP | 1750714549 | Adult Health Nurse Practitioner | Akron, OH | 2013 |
| Michael O'Shell, DDS | 1467481929 | Oral and Maxillofacial Surgery (Dentist) | Houston, TX | 2006 |
| Morgan O'Shell, PA | 1578188629 | Physician Assistant | Rochester, NY | 2020 |
| Rhonda O'Shell | 1780815183 | Licensed Practical Nurse | Pittsburgh, PA | 2009 |
| Sherry O'Shell, LCSWC | 1144686023 | Clinical Social Worker | Oakland, MD | 2016 |
| William O'Shell | 1215408562 | Personal Care Attendant | Dunedin, FL | 2018 |
| Jessie O'Shield, M.ED. CCC-SLP | 1447620232 | Speech-Language Pathologist | Salisbury, MD | 2015 |
| Allison O'Shields | 1578070439 | Clinical Social Worker | Cumming, GA | 2018 |
| Angel O'Shields, APRN-BC | 1700466323 | Family Nurse Practitioner | Greenville, SC | 2021 |
| Ashley O'Shields, FNP | 1457925471 | Family Nurse Practitioner | Lafayette, IN | 2021 |
| Ashley O'Shields, MD | 1700833688 | Pediatrics Physician | Alpharetta, GA | 2006 |
| Daniel O'Shields, PH.D | 1710980008 | Professional Counselor | Union, SC | 2005 |
| Deborah O'Shields | 1184457541 | Speech-Language Pathologist | Wilmington, NC | 2024 |
| Hugh O'Shields, MD | 1669412466 | Internal Medicine Physician | Birmingham, AL | 2006 |
| Jay O'Shields, LMSW | 1568978328 | Clinical Social Worker | Athens, GA | 2017 |
| Jenna O'Shields, LDO,NCLE,ABOC | 1043940331 | Optician | Greer, SC | 2022 |
| Jessica O'Shields, LMFT | 1164382933 | Marriage & Family Therapist | Indian Trail, NC | 2025 |
| John O'Shields | 1104773019 | Peer Specialist | Oklahoma City, OK | 2026 |
| Kasey O'Shields, MMSC, PA-C, ATC | 1043628746 | Surgical Physician Assistant | Charleston, SC | 2014 |
| Katherine O'Shields | 1508580531 | Behavior Technician | Cary, NC | 2022 |
| Kelsey O'Shields | 1578176939 | Case Manager/Care Coordinator | Morgantown, WV | 2020 |
| Kimberly O'Shields, SLP | 1013323153 | Speech-Language Pathologist | Winchester, TN | 2014 |
| Kristen O'Shields | 1811221682 | Mental Health Counselor | Knoxville, TN | 2009 |
| Michael O'Shields, BCBA | 1386182228 | Behavior Analyst | Inman, SC | 2017 |
| Rebecca O'Shields, APRN | 1255887550 | Family Nurse Practitioner | Mc Crory, AR | 2016 |
| Rebecca O'Shields, LCSW | 1710570940 | Clinical Social Worker | Birmingham, AL | 2021 |
| Wendy O'Shields, NP | 1952570202 | Neonatal Nurse Practitioner | Charlotte, NC | 2008 |
| Andrew O'Shura | 1225450703 | Counselor | Millerstown, PA | 2014 |
| John O'Shura, MD | 1487844189 | Emergency Medicine Physician | Pottstown, PA | 2007 |
| Nicole O'Shurak | 1225402035 | Family Nurse Practitioner | Chalfont, PA | 2015 |
| Nicholas O'Sick, DO | 1629568845 | Plastic and Reconstructive Surgery Physician | Austin, TX | 2018 |
| William O'Sick, MLS(ASCP)CM | 1639057250 | Medical Technologist | Orlando, FL | 2025 |
| Amanda O'Sickey, FNP-C | 1780383661 | Family Nurse Practitioner | Albuquerque, NM | 2023 |
| Anthony O'Sickey, PHD | 1891566980 | Clinical Psychologist | Iron Mountain, MI | 2024 |
| Jessica O'Sickey | 1750775565 | Acute Care Nurse Practitioner | Cleveland, OH | 2015 |
| Elizabeth O'Sicky, LPCC-S | 1265801278 | Mental Health Counselor | Lorain, OH | 2015 |
| Stephanie O'Silas, MS CCC-SLP | 1841664422 | Speech-Language Pathologist | Plano, TX | 2015 |
| Sharlyn O'Stafy, COTA | 1174731780 | Occupational Therapy Assistant | Westlake, OH | 2007 |
| Jennifer O'Stasik, M.D. | 1447385091 | Medical Oncology Physician | Tulsa, OK | 2007 |
| Alexandra O'Steen | 1083385041 | Mental Health Counselor | Florence, AL | 2021 |
| Allison O'Steen | 1184547143 | Family Nurse Practitioner | Trenton, FL | 2026 |
| Amy O'Steen, FNP-C | 1407323439 | Family Nurse Practitioner | Nashville, TN | 2018 |
| Brenna O'Steen, RBT | 1255802906 | Behavior Technician | Birmingham, AL | 2018 |
| Brittany O'Steen, M.D. | 1225229925 | Diagnostic Radiology Physician | Anchorage, AK | 2007 |
| Christine O'Steen, LCSW | 1164313565 | Clinical Social Worker | Lake City, FL | 2025 |
| Diamond O'Steen, LPC | 1942965215 | Mental Health Counselor | Bastrop, LA | 2021 |
| Donna O'Steen, R.D. | 1265721617 | Registered Dietitian | Tampa, FL | 2011 |
| Emily O'Steen | 1619161999 | Case Manager/Care Coordinator | Meansville, GA | 2007 |
| Galina O'Steen, CCC-SLP | 1407142920 | Speech-Language Pathologist | Alachua, FL | 2011 |
| Greta O'Steen, RN | 1386651925 | Registered Nurse | Waycross, GA | 2006 |
| Hannah O'Steen | 1376406454 | Behavior Technician | Huntington Beach, CA | 2025 |
| Hannah O'Steen, DIET TECHNIAN | 1538434824 | Other Specialist/Technologist | Fort Rucker, AL | 2012 |
| Jennifer O'Steen | 1780099887 | Behavior Analyst | Nashville, TN | 2014 |
| Jennifer O'Steen | 1841798907 | Behavior Technician | Clermont, FL | 2018 |
| Jessica O'Steen | 1790253094 | Behavior Technician | Deerfield Beach, FL | 2018 |
| John O'Steen, M.D. | 1477757995 | Family Medicine Physician | Florence, AZ | 2007 |
| Jordan O'Steen, MD | 1104561901 | Family Medicine Physician | Greenville, SC | 2022 |
| Kendell O'Steen, MD | 1417897349 | Student in an Organized Health Care Education/Training Program | Gainesville, FL | 2026 |
| Lacinda O'Steen, ARNP FNP | 1477901866 | Family Nurse Practitioner | Jacksonville, FL | 2016 |
| Landon O'Steen | 1134687429 | Student in an Organized Health Care Education/Training Program | Nixa, MO | 2019 |
| Leslie O'Steen, M.D. | 1548270903 | Anesthesiology Physician | Ft Walton Bch, FL | 2006 |
| Lillie O'Steen, M.D. | 1942680707 | Radiation Oncology Physician | Jacksonville, FL | 2015 |
| Lindsay O'Steen, PT, DPT | 1952698813 | Physical Therapist | Lyndonville, VT | 2011 |
| Lori O'Steen, OTA | 1457423261 | Occupational Therapy Assistant | Live Oak, FL | 2006 |
| Luke O'Steen | 1083456909 | Marriage & Family Therapist | Arlington, TX | 2024 |
| Luke O'Steen, M.D. | 1992140420 | Dermatology Physician | Anderson, SC | 2013 |
| Matthew O'Steen, M.D., F.A.C.C. | 1346285087 | Interventional Cardiology Physician | Charleston, SC | 2006 |
| Misty O'Steen, APRN | 1437827912 | Family Nurse Practitioner | Harrison, AR | 2021 |
| Olivia O'Steen | 1154131563 | Behavior Technician | Alexandria, VA | 2025 |
| Pamela O'Steen, AA-S | 1770015851 | Anesthesiologist Assistant | Saint Louis, MO | 2017 |
| Peggy O'Steen, MA LPC CCMHC | 1902906910 | Professional Counselor | Florence, AL | 2006 |
| Rachel O'Steen | 1225966815 | Physical Therapist | Saint Augustine, FL | 2026 |
| Russell O'Steen, DC | 1215960182 | Chiropractor | Houma, LA | 2006 |
| Seth O'Steen | 1851102891 | Pastoral Counselor | Cairo, GA | 2025 |
| Shawn O'Steen, MS, ATC, CSCS | 1548547920 | Athletic Trainer | Glen Gardner, NJ | 2011 |
| Srebrenka O'Steen, RN | 1851633580 | Registered Nurse | Greenville, SC | 2013 |
| Staci O'Steen | 1073249942 | Addiction (Substance Use Disorder) Counselor | Altus, OK | 2022 |
| Stephen O'Steen, PTA | 1508014630 | Physical Therapy Assistant | Lake City, FL | 2008 |
| Stuart O'Steen, CRNA | 1417905357 | Certified Registered Nurse Anesthetist | Douglas, GA | 2006 |
| Tristan O'Steen, MSW | 1649987090 | Social Worker | Gainesville, FL | 2022 |
| Tyler O'Steen | 1538983457 | Physical Therapist | Phillipsburg, NJ | 2024 |
| Vannessa O'Steen | 1962253906 | Mental Health Counselor | Riviera Beach, FL | 2024 |
| Veronica O'Steen, NP-C | 1942722020 | Nurse Practitioner | Ringgold, GA | 2017 |
| Zachary O'Steen, M. ED. | 1992938955 | Counselor | Lowell, MA | 2009 |
| Ginia O'Steen-Johnson, LPTA, BS,MBA | 1770827222 | Physical Therapy Assistant | Folkston, GA | 2012 |
| Karen O'Strander, LMSW | 1194158782 | Clinical Social Worker | Grand Rapids, MI | 2013 |
| Joseph O'Such | 1275192148 | Registered Nurse | Boston, MA | 2019 |
| Maggie O'Such | 1730028606 | Behavior Technician | Kalamazoo, MI | 2026 |
| Waldena O'Sulliva, MAMFT | 1982885240 | Mental Health Counselor | Jacksonville, FL | 2007 |
| Adele O'Sullivan, M.D. | 1568417053 | Family Medicine Physician | Los Angeles, CA | 2006 |
| Ailish O'Sullivan, PHARMD | 1568088326 | Pharmacist | Port Angeles, WA | 2020 |
| Aine O'Sullivan | 1760708937 | Licensed Practical Nurse | Yonkers, NY | 2010 |
| Alexis O'Sullivan | 1356288393 | Massage Therapist | Mililani, HI | 2026 |
| Alicia O'Sullivan, AU.D. | 1215488390 | Audiologist | Fall River, MA | 2016 |
| Amanda O'Sullivan, D.C. | 1518303163 | Chiropractor | Cedar Rapids, IA | 2013 |
| Amanda O'Sullivan, ATC | 1841899762 | Athletic Trainer | Lynbrook, NY | 2020 |
| Ana O'Sullivan, PHD | 1417784885 | Peer Specialist | San Luis Obispo, CA | 2024 |
| Andrea O'Sullivan, OTR/L | 1508590092 | Occupational Therapist | Cleveland, OH | 2022 |
| Angela O'Sullivan | 1699192609 | Rehabilitation Practitioner | Lancaster, CA | 2014 |
| Anna O'Sullivan, LCPC-C | 1316817562 | Mental Health Counselor | South Portland, ME | 2025 |
| Anne O'Sullivan, M.P.T. | 1487773511 | Physical Therapist | Thousand Oaks, CA | 2007 |
| Aoife O'Sullivan, MD | 1073657003 | Family Medicine Physician | Portland, OR | 2007 |
| Aoife O'Sullivan, PMHNP-BC | 1497615413 | Psychiatric/Mental Health Nurse Practitioner | San Diego, CA | 2025 |
| Ashley O'Sullivan, M.S.ED. | 1538593264 | Specialist | Brooklyn, NY | 2013 |
| Audrey O'Sullivan, PT, DPT | 1538964994 | Physical Therapist | Olathe, KS | 2025 |
| Barbara O'Sullivan, NP, MSN | 1629227327 | Primary Care Nurse Practitioner | Brooklyn, NY | 2008 |
| Barbara O'Sullivan, MD | 1942240494 | Critical Care Medicine (Internal Medicine) Physician | New York, NY | 2006 |
| Beth O'Sullivan, OT | 1811129729 | Occupational Therapist | Meriden, CT | 2009 |
| Bonnie-Jean O'Sullivan, M.D. | 1538174982 | Emergency Medicine Physician | Miami Lakes, FL | 2006 |
| Branka O'Sullivan, MD | 1497709968 | Internal Medicine Physician | Skokie, IL | 2006 |
| Brendan O'Sullivan | 1679151492 | Diagnostic Radiology Physician | Boston, MA | 2021 |
| Brenna O'Sullivan, LCPC-C | 1588256333 | Mental Health Counselor | Portland, ME | 2021 |
| Brian O'Sullivan, LICSW | 1285788695 | Clinical Social Worker | Malden, MA | 2007 |
| Brian O'Sullivan, MS, OTR/L | 1548916729 | Occupational Therapist | Philadelphia, PA | 2022 |
| Brian O'Sullivan | 1801926662 | Internal Medicine Physician | Centennial, CO | 2007 |
| Bridget O'Sullivan | 1376261107 | School Counselor | Danville, CA | 2022 |
| Bridget O'Sullivan, PA-C | 1831841519 | Medical Physician Assistant | Southampton, NY | 2022 |
| Brooke O'Sullivan | 1407569643 | Family Nurse Practitioner | Mobile, AL | 2023 |
| Caitlin O'Sullivan, SUDP | 1669986931 | Addiction (Substance Use Disorder) Counselor | Everett, WA | 2017 |
| Candace O'Sullivan, BCBA | 1821409806 | Behavior Analyst | Cromwell, CT | 2014 |
| Carey O'Sullivan | 1831226760 | Mental Health Counselor | San Leandro, CA | 2007 |
| Carol O'Sullivan, LICSW | 1013725969 | Clinical Social Worker | Vadnais Heights, MN | 2024 |
| Caroline O'Sullivan, MFTI | 1679823579 | Mental Health Counselor | Oakland, CA | 2012 |
| Caroline O'Sullivan, LCSW | 1689280166 | Clinical Social Worker | New York, NY | 2020 |
| Caryn O'Sullivan, CNS, MS | 1952090029 | Nutritionist | Morristown, NJ | 2023 |
| Casey O'Sullivan, LCPC | 1831667799 | Professional Counselor | Arnold, MD | 2018 |
| Cassidy O'Sullivan | 1477255644 | Student in an Organized Health Care Education/Training Program | Newark, DE | 2023 |
| Cathatl O'Sullivan, MD | 1174632442 | Medical Microbiology Physician | Boston, MA | 2006 |
| Catherine O'Sullivan, MSW, LCSW | 1184160285 | Clinical Social Worker | Saint Louis, MO | 2017 |
| Catherine O'Sullivan, PSYD | 1427481027 | Psychologist | Ridgewood, NJ | 2013 |
| Catherine O'Sullivan, MSED | 1568842144 | Specialist | Bronx, NY | 2015 |
| Cathy O'Sullivan, LMSW | 1407145246 | Social Worker | Brooklyn, NY | 2011 |
| Cayla O'Sullivan | 1609597137 | Adult Health Nurse Practitioner | Rochester, NY | 2022 |
| Charlotte O'Sullivan, MD | 1487455416 | Obstetrics & Gynecology Physician | Hoffman Estates, IL | 2025 |
| Chelsie O'Sullivan, DMD | 1497229686 | Dental Anesthesiology | Simpsonville, SC | 2019 |
| Cheyenne O'Sullivan, RN, BSN, PHN | 1336501527 | Registered Nurse | Alturas, CA | 2016 |
| Christina O'Sullivan, JD, PHD | 1831486000 | Forensic Psychologist | Orange, CA | 2011 |
| Christine O'Sullivan | 1487063285 | Physical Therapist | Mill Valley, CA | 2014 |
| Christopher O'Sullivan | 1417537051 | Vascular & Interventional Radiology Physician | Saint Louis, MO | 2021 |
| Christopher O'Sullivan, PT, DPT | 1437928280 | Physical Therapist | Glen Allen, VA | 2023 |
| Christopher O'Sullivan, L.M.T. | 1831458421 | Massage Therapist | Farmingville, NY | 2012 |
| Cian O'Sullivan | 1275389603 | Student in an Organized Health Care Education/Training Program | Minneapolis, MN | 2024 |
| Ciara O'Sullivan, M.D | 1427495357 | Medical Oncology Physician | Rochester, MN | 2013 |
| Cion O'Sullivan | 1568500486 | Licensed Practical Nurse | Pearl City, HI | 2007 |
| Clare O'Sullivan | 1801606579 | Rehabilitation Practitioner | San Luis Obispo, CA | 2025 |
| Clare O'Sullivan | 1922663442 | Behavior Analyst | Chicago, IL | 2019 |
| Clifford O'Sullivan, APRN | 1306568795 | Family Nurse Practitioner | Nashville, TN | 2022 |
| Colleen O'Sullivan, PA | 1427051713 | Physician Assistant | Redmond, OR | 2005 |
| Colleen O'Sullivan | 1447579461 | Registered Nurse | New City, NY | 2010 |
| Colleen O'Sullivan | 1649082025 | School Counselor | Eureka, CA | 2025 |
| Colleen O'Sullivan, LSW | 1659225530 | Clinical Social Worker | Chicago, IL | 2026 |
| Collin O'Sullivan | 1538009568 | Student in an Organized Health Care Education/Training Program | Fort Worth, TX | 2026 |
| Connor O'Sullivan, MD | 1891324414 | Sports Medicine (Family Medicine) Physician | Marietta, GA | 2020 |
| Conor O'Sullivan, MD | 1942661509 | Internal Medicine Physician | Abington, PA | 2016 |
| Cormac O'Sullivan, CRNA | 1427044577 | Certified Registered Nurse Anesthetist | Iowa City, IA | 2005 |
| Courtney O'Sullivan, PA-C | 1093597445 | Medical Physician Assistant | Hanover, PA | 2023 |
| Craig O'Sullivan, M.D. | 1083755169 | Family Medicine Physician | Westerville, OH | 2007 |
| Cynthia O'Sullivan, APRN | 1447769468 | Family Nurse Practitioner | Madison, CT | 2017 |
| Damien O'Sullivan | 1235599556 | Physical Therapist | Cary, NC | 2016 |
| Dana O'Sullivan, APRN | 1801377502 | Nurse Practitioner | Middletown, CT | 2018 |
| Daniel O'Sullivan, MD | 1053773473 | Emergency Medicine Physician | Abington, PA | 2016 |
| Daniel O'Sullivan, MACC, LCMHCA | 1669160024 | Mental Health Counselor | Charlotte, NC | 2023 |
| Danielle O'Sullivan, MSW | 1902504756 | Clinical Social Worker | Portland, OR | 2023 |
| Daria O'Sullivan, MD | 1104529916 | Student in an Organized Health Care Education/Training Program | Portland, ME | 2023 |
| David O'Sullivan, D.M.D. | 1093927527 | Prosthodontics | Naples, FL | 2007 |
| Debra O'Sullivan, PHARMD | 1174783948 | Pharmacist | Phoenix, AZ | 2008 |
| Deirdre O'Sullivan, CRNA | 1447391651 | Certified Registered Nurse Anesthetist | North Providence, RI | 2007 |
| Denise O'Sullivan, M.ED. | 1407110844 | Specialist | Montrose, NY | 2012 |
| Diane O'Sullivan, PT, DPT | 1699214320 | Geriatric Physical Therapist | West Springfield, MA | 2017 |
| Dillon O'Sullivan, FNP | 1073377065 | Family Nurse Practitioner | Matawan, NJ | 2024 |
| Donal Mor O'Sullivan, MD | 1558207415 | Student in an Organized Health Care Education/Training Program | New Haven, CT | 2026 |
| Donna O'Sullivan, PTA | 1407971443 | Physical Therapy Assistant | Weymouth, MA | 2007 |
| Donna O'Sullivan | 1558544395 | Physical Therapist | Canton, MA | 2007 |
| Donnchadh O'Sullivan, MB, BCH, BAO, MRCPI | 1710515911 | Pediatrics Physician | Rochester, MN | 2020 |
| Dorian O'Sullivan, MD/MPH | 1487548970 | Student in an Organized Health Care Education/Training Program | New Orleans, LA | 2025 |
| Eileen O'Sullivan | 1124061841 | Audiologist | Wayne, NJ | 2006 |
| Eileen O'Sullivan, MB BCH BAO | 1538504519 | Emergency Medicine Physician | Vancouver, WA | 2013 |
| Eilish O'Sullivan, PT | 1992143671 | Physical Therapist | New York, NY | 2013 |
| Elizabeth O'Sullivan | 1841896123 | Mental Health Counselor | Chicago, IL | 2020 |
| Emily O'Sullivan, MS, OTR/L | 1467764423 | Occupational Therapist | Madison, WI | 2010 |
| Erica O'Sullivan | 1023537651 | Speech-Language Pathologist | Augusta, GA | 2017 |
| Erin O'Sullivan, M.D. | 1265747554 | Anesthesiology Physician | River Ridge, LA | 2010 |
| Erin O'Sullivan, MD | 1336133511 | Obstetrics & Gynecology Physician | Phoenix, AZ | 2005 |
| Erin O'Sullivan, MD | 1528282258 | Forensic Pathology Physician | New Orleans, LA | 2007 |
| Erin O'Sullivan, N.P. | 1558339887 | Gerontology Nurse Practitioner | Nashville, TN | 2006 |
| Erin O'Sullivan, OT | 1568054856 | Occupational Therapist | Plattsburgh, NY | 2021 |
| Erin O'Sullivan | 1578347266 | Occupational Therapist | Wexford, PA | 2023 |
| Erin O'Sullivan | 1962325506 | Social Worker | Morgantown, WV | 2026 |
| Erin O'Sullivan, LCSW | 1982027355 | Clinical Social Worker | Wheat Ridge, CO | 2014 |
| Esther O'Sullivan, NP | 1528085545 | Adult Psychiatric/Mental Health Registered Nurse | Denver, CO | 2006 |
| Fiachra O'Sullivan, LMFT | 1760785927 | Marriage & Family Therapist | San Francisco, CA | 2010 |
| Fiona O'Sullivan, MSW | 1356127120 | Clinical Social Worker | Pittsfield, MA | 2023 |
| Frances O'Sullivan | 1033233077 | Psychiatry Physician | Ventura, CA | 2007 |
| Francis O'Sullivan, MS, APRN,BC | 1386655496 | Psychiatric/Mental Health Clinical Nurse Specialist | Boston, MA | 2006 |
| Gabrielle O'Sullivan, MD | 1295881332 | Family Medicine Physician | Wailuku, HI | 2007 |
| Gavin O'Sullivan | 1588782593 | Clinical Social Worker | Colfax, CA | 2007 |
| Gene O'Sullivan, D.C. | 1780630517 | Chiropractor | Ligonier, PA | 2006 |
| Genevieve O'Sullivan, M.D. | 1609138296 | Family Medicine Physician | Wenatchee, WA | 2012 |
| Geoffrey O'Sullivan, RPA-C | 1265571087 | Surgical Physician Assistant | New York, NY | 2007 |
| Geraldine O'Sullivan, LCSW, PPSC | 1962128413 | School Social Worker | Escondido, CA | 2022 |
| Ginger O'Sullivan, CRNP | 1104917335 | Neuroscience Clinical Nurse Specialist | Allentown, PA | 2006 |
| Glen O'Sullivan, M.D. | 1972504652 | Specialist | Mount Shasta, CA | 2005 |
| Glenda O'Sullivan, MFT | 1942366190 | Marriage & Family Therapist | Sacramento, CA | 2006 |
| Hailey O'Sullivan | 1083588354 | Speech-Language Pathologist | Hawthorne, NY | 2025 |
| Hayley O'Sullivan, LCSW | 1407186059 | Clinical Social Worker | Lawrence, MA | 2010 |
| Heather O'Sullivan, NP | 1700939907 | Gerontology Nurse Practitioner | Waltham, MA | 2007 |
| Holly O'Sullivan, PA-C | 1396118253 | Physician Assistant | Durham, NC | 2015 |
| Ian O'Sullivan, MD, PHD | 1083473300 | Student in an Organized Health Care Education/Training Program | Sonora, CA | 2024 |
| Isabel O'Sullivan | 1932952942 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2024 |
| Ita O'Sullivan, NP | 1063505220 | Psychiatric/Mental Health Registered Nurse | Rye, NY | 2006 |
| Jack O'Sullivan, MD | 1952930570 | Cardiovascular Disease Physician | Stanford, CA | 2020 |
| Jacob O'Sullivan, MD | 1477084846 | Anesthesiology Physician | Indianapolis, IN | 2017 |
| Jacquelyn O'Sullivan, MD | 1619555380 | Obstetrics & Gynecology Physician | Framingham, MA | 2021 |
| James O'Sullivan | 1609914530 | Social Worker | Pearl City, HI | 2007 |
| Janice O'Sullivan, MFT | 1518456946 | Marriage & Family Therapist | San Diego, CA | 2018 |
| Jean O'Sullivan, PTA | 1558690834 | Physical Therapy Assistant | Glenview, IL | 2009 |
| Jeanmarie O'Sullivan, MSW | 1811522683 | School Social Worker | Fairfax, VA | 2020 |
| Jeanne O'Sullivan, CCC-SLP | 1194895409 | Speech-Language Pathologist | Durham, NH | 2006 |
| Jennifer O'Sullivan, MD | 1487731204 | Pediatrics Physician | Harvey, LA | 2006 |
| Jennifer O'Sullivan, PA | 1497492326 | Physician Assistant | Syracuse, NY | 2022 |
| Jennifer O'Sullivan, LCSW | 1528254018 | Clinical Social Worker | Bend, OR | 2007 |
| Jennifer O'Sullivan, ATC | 1699394585 | Athletic Trainer | Independence, OR | 2020 |
| Jeremiah O'Sullivan, MD | 1104893833 | Internal Medicine Physician | Buffalo, NY | 2006 |
| Jeremiah O'Sullivan | 1558711549 | Physical Therapist | New Hyde Park, NY | 2016 |
| Jessica O'Sullivan, AUD | 1467011650 | Audiologist | Fort Wayne, IN | 2019 |
| Jillian O'Sullivan, BCBA | 1467817155 | Behavior Analyst | Tinley Park, IL | 2015 |
| Jillian O'Sullivan | 1710863394 | Audiologist | Boston, MA | 2025 |
| Joan O'Sullivan, PSY.D. | 1467519231 | Psychologist | White Plains, NY | 2007 |
| John O'Sullivan | 1053737650 | Pharmacist | Duxbury, MA | 2014 |
| John O'Sullivan, P.T. | 1346204468 | Physical Therapist | Florence, MA | 2006 |
| John O'Sullivan, MBBS | 1689634370 | Surgery Physician | Cambridge, MN | 2006 |
| Johnna O'Sullivan | 1194544049 | Behavior Analyst | Norwell, MA | 2024 |
| Joseph O'Sullivan, CRNA | 1518062397 | Certified Registered Nurse Anesthetist | Fort Sam Houston, TX | 2006 |
| Joseph O'Sullivan | 1528645363 | Student in an Organized Health Care Education/Training Program | Spokane, WA | 2021 |
| Joseph O'Sullivan | 1992213904 | Counselor | Rochester, NY | 2018 |
| Judy O'Sullivan | 1063685204 | Mental Health Counselor | Allentown, PA | 2008 |
| Julia O'Sullivan | 1255157475 | Physical Therapist | Sudbury, MA | 2024 |
| Julianne O'Sullivan, LCSW | 1194468595 | Clinical Social Worker | West Bridgewater, MA | 2022 |
| Julie O'Sullivan, MD | 1972547834 | Emergency Medical Services (Emergency Medicine) Physician | Charlotte, NC | 2006 |
| Kaitlin O'Sullivan, MD | 1073132981 | Emergency Medicine Physician | Atlanta, GA | 2020 |
| Kaitlin O'Sullivan, AGACNP | 1194486324 | Acute Care Nurse Practitioner | Savannah, GA | 2022 |
| Kaitlin O'Sullivan | 1255019162 | Nurse Practitioner | Tunkhannock, PA | 2023 |
| Kaitlin O'Sullivan, CCC-SLP | 1750786935 | Speech-Language Pathologist | Philadelphia, PA | 2014 |
| Kaitlin O'Sullivan, MS, OTR/L | 1770060998 | Occupational Therapist | Nottingham, MD | 2018 |
| Kara O'Sullivan, PTA | 1306028840 | Physical Therapy Assistant | Boynton Beach, FL | 2007 |
| Karissa O'Sullivan, MA | 1184312746 | Mental Health Counselor | New Kensington, PA | 2023 |
| Kassandra O'Sullivan, MSSW | 1346707148 | Social Worker | Cookeville, TN | 2019 |
| Katherine O'Sullivan, RN | 1518473719 | Psychiatric/Mental Health Registered Nurse | Staten Island, NY | 2017 |
| Katherine O'Sullivan, LCSW | 1619731908 | Clinical Social Worker | Brewster, NY | 2024 |
| Katherine O'Sullivan, LCSW | 1952026338 | Clinical Social Worker | Elizabeth, CO | 2022 |
| Kathleen O'Sullivan | 1124610977 | Occupational Therapist | Bay Shore, NY | 2021 |
| Kathleen O'Sullivan, A.R.N.P | 1356408728 | Nurse Practitioner | Sarasota, FL | 2007 |
| Kathleen O'Sullivan | 1356460521 | Speech-Language Pathologist | Chicago, IL | 2007 |
| Kathleen O'Sullivan | 1568269868 | Behavior Technician | Mobile, AL | 2025 |
| Kathleen O'Sullivan, APRN, FNP-BC | 1982409785 | Family Nurse Practitioner | Rockland, ME | 2025 |
| Kathryn O'Sullivan, M.A., CCC-SLP | 1902153794 | Speech-Language Pathologist | Maywood, IL | 2012 |
| Kathy O'Sullivan, MS, PT | 1518151000 | Physical Therapist | Reno, NV | 2007 |
| Kathy O'Sullivan, PSY.S. | 1659103323 | School Psychologist | Berne, IN | 2024 |
| Katie O'Sullivan, DPT | 1003247347 | Physical Therapist | Austin, TX | 2013 |
| Katie O'Sullivan, RDMS | 1154810984 | Technician/Technologist | Rockaway Park, NY | 2018 |
| Katie O'Sullivan | 1902038094 | Endocrinology, Diabetes & Metabolism Physician | Chicago, IL | 2009 |
| Kayla O'Sullivan, MD | 1518546191 | Pediatrics Physician | Seattle, WA | 2021 |
| Kayla O'Sullivan | 1609590884 | Physical Therapist | Reston, VA | 2022 |
| Kelli O'Sullivan, MS,OTR/L | 1376852517 | Specialist | Malone, NY | 2010 |
| Kelly O'Sullivan, LCSW | 1043844053 | Clinical Social Worker | New York, NY | 2020 |
| Kelly O'Sullivan, MSN, AGACNP-BC | 1043913668 | Acute Care Nurse Practitioner | New York, NY | 2023 |
Source: CMS National Plan and Provider Enumeration System (NPPES) (download.cms.gov). A listing is not a recommendation: check a license with the state board (license lookups).