Providers Candace O Keefe, PA to Ryan O'Bleness, D.C.
300 individual NPIs in the federal registry, part 16,000 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. 94 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Candace O Keefe, PA | 1396708780 | Physician Assistant | Fall River, MA | 2006 |
| Edward O Keefe, DDS | 1538287123 | Dentist | Norfolk, VA | 2007 |
| Marcia O Keefe, CRNA | 1821154774 | Certified Registered Nurse Anesthetist | Minneapolis, MN | 2006 |
| Catherine O Keeffe, MSPT | 1528133485 | Physical Therapist | Norfolk, MA | 2006 |
| Gemma O Keeffe, M.D. | 1629245402 | Internal Medicine Physician | Port Townsend, WA | 2008 |
| Sarah O Kelley, PH.D. | 1467607424 | Psychologist | Birmingham, AL | 2008 |
| Doris O Leary, REGISTERED COUNSELOR | 1508984584 | Mental Health Counselor | Seattle, WA | 2007 |
| Joan O Leary, MD | 1720177264 | Dermatology Physician | Orange Park, FL | 2006 |
| Maura O Leary, MD | 1598848343 | Family Medicine Physician | Hillsboro, OR | 2006 |
| Paul O Leary, MD | 1073588430 | Anesthesiology Physician | Royal Oak, MI | 2006 |
| Evelyn O Leary Bennett, RN LCPC | 1043398571 | Rehabilitation Registered Nurse | Missoula, MT | 2006 |
| Karen O Mahony | 1982874236 | Specialist | Holbrook, NY | 2008 |
| Thomas O Mahony, LICSW | 1811001845 | Clinical Social Worker | Hermitage, PA | 2006 |
| Gerald O Malley, DO | 1356300057 | Emergency Medicine Physician | Philadelphia, PA | 2006 |
| Grenye O Malley, M.D. | 1992048078 | Endocrinology, Diabetes & Metabolism Physician | New York, NY | 2013 |
| Kelly O Malley, MSW LICSW | 1942396262 | Social Worker | Providence, RI | 2006 |
| Robert O Malley, DPM | 1528080389 | Foot & Ankle Surgery Podiatrist | Wilmington, NC | 2006 |
| Linda O Malley-Dafner, RN | 1962678946 | Continuing Education/Staff Development Registered Nurse | Pittsburgh, PA | 2008 |
| Cilian O Maoldomhnaigh, MB BCH BAO | 1669057428 | Student in an Organized Health Care Education/Training Program | New York, NY | 2021 |
| Edward O Mara, MSPT | 1669549366 | Physical Therapist | Wayne, PA | 2006 |
| Juan O Meany, PA | 1922108273 | Physician Assistant | Pittsburg, CA | 2006 |
| Eamon O Murchu, MD | 1134407745 | Internal Medicine Physician | Worcester, MA | 2011 |
| Yannick O Nana | 1881459121 | Pharmacist | Fredericksburg, VA | 2024 |
| Jaiden O Neal | 1215640875 | Behavior Technician | New Bern, NC | 2022 |
| Jennifer O Neal, OT | 1548549496 | Occupational Therapist | Cherry Hill, NJ | 2011 |
| Latisha O Neal, LCSW | 1770779969 | Clinical Social Worker | Decatur, IL | 2007 |
| Daisy O Neal Buenrostro | 1124667829 | Behavior Technician | Carlsbad, CA | 2019 |
| Kimberly O Neil, NP-C | 1912257627 | Adult Health Nurse Practitioner | Springfield, MA | 2012 |
| Marybeth O Neil, CNS | 1598805079 | Clinical Nurse Specialist | Rochester, MN | 2007 |
| Vanessa O Neil | 1841531720 | Licensed Practical Nurse | Buffalo, NY | 2013 |
| Brinda O Neill, NP | 1285627760 | Cardiovascular Disease Physician | Scottsdale, AZ | 2005 |
| Elizabeth O Neill, M.D. | 1346204377 | Internal Medicine Physician | Amherst, NY | 2006 |
| James O Neill, M.D. | 1538149307 | Orthopaedic Surgery Physician | Lima, OH | 2006 |
| Kathleen O Neill, MSW LCSW | 1881679173 | Clinical Social Worker | Watertown, WI | 2005 |
| Lisa O Neill | 1649151606 | Behavior Technician | Glendale, CA | 2025 |
| Makenzie O Neill | 1659227619 | Behavior Analyst | Wildomar, CA | 2026 |
| Mary Ellen O Neill, CRNA | 1750353975 | Certified Registered Nurse Anesthetist | Philadelphia, PA | 2006 |
| Nora O Neill | 1366109092 | Registered Nurse | Blauvelt, NY | 2021 |
| Terrence O Neill, D.C. | 1538267919 | Chiropractor | Buffalo, NY | 2006 |
| Thomas O Neill, M.D. | 1467452706 | Pulmonary Disease Physician | Danville, VA | 2005 |
| Timothy O Neill, D.C. | 1467521971 | Sports Physician Chiropractor | Myrtle Beach, SC | 2006 |
| Patricia O Neill Scheidt, PAC PHYSICIAN ASSIST | 1275660854 | Physician Assistant | St James, MN | 2007 |
| Breandan O Niadh, BA B DENT SC | 1568713337 | General Practice Dentistry | Boston, MA | 2012 |
| Chidi O Nnana | 1235056631 | Behavior Technician | San Jose, CA | 2026 |
| Sean O Patry, DO | 1417149592 | Emergency Medicine Physician | Fort Worth, TX | 2007 |
| Eric O Pineda, PTA | 1225850720 | Physical Therapy Assistant | Northridge, CA | 2024 |
| Christy O Quinn | 1407544596 | Massage Therapist | Spokane, WA | 2023 |
| John O Reardon, MD | 1336171776 | Psychiatry Physician | Voorhees, NJ | 2006 |
| Ann-Marie O Reilly | 1386467538 | Social Worker | New York, NY | 2024 |
| Maria O Reilly, DMD | 1104913920 | Orthodontics and Dentofacial Orthopedics Dentistry | Hamilton, NJ | 2006 |
| David O Rourke, MD | 1790739639 | Family Medicine Physician | Wyomissing, PA | 2006 |
| Tricia O Rourke, CMT, LMT | 1831582295 | Massage Therapist | Gaylord, MI | 2015 |
| Carol O Shea, MD | 1912944943 | Pediatrics Physician | Cumberland, RI | 2006 |
| Christen O Shea, LICSW | 1093750507 | Clinical Social Worker | Wilmington, MA | 2006 |
| Leo O Shea, MPT | 1467421297 | Physical Therapist | Willow Grove, PA | 2006 |
| Martin O Shea, P.T. | 1780695569 | Physical Therapist | Oak Brook, IL | 2006 |
| Melinda O Shea, ARNP | 1831205640 | Specialist | Davenport, IA | 2006 |
| Thomas O Shea, MD | 1356325351 | Neonatal-Perinatal Medicine Physician | Winston Salem, NC | 2005 |
| Gillian O Shea Brown, LCSW | 1467806943 | Clinical Social Worker | New York, NY | 2016 |
| Evangeline O Sullivan, PHD | 1104933472 | Marriage & Family Therapist | San Antonio, TX | 2006 |
| Niamh O Sullivan, LMFT | 1902318397 | Marriage & Family Therapist | San Francisco, CA | 2017 |
| Zoe O Sullivan | 1942921333 | Behavior Technician | San Jose, CA | 2022 |
| Alina O Tool | 1245883032 | Behavior Technician | Carlsbad, CA | 2019 |
| Lawrence O Toole, LCSW | 1639251226 | Clinical Social Worker | Schenectady, NY | 2006 |
| Michael O Toole, DMD | 1578617163 | Prosthodontics | Boston, MA | 2007 |
| Sean O Toole, MD | 1306578695 | Hospitalist Physician | Augusta, GA | 2022 |
| Shannon O Toole, LMT LICENSED MASSAGE | 1326179722 | Massage Therapist | East Meadow, NY | 2007 |
| Bruce O Young, PHARMD | 1932579992 | Pharmacist | Colorado Springs, CO | 2015 |
| Pamela O' Baker | 1346588829 | Physical Rehabilitation Occupational Therapist | Frostburg, MD | 2013 |
| Alba Marina O' Bourke, MD. | 1891716908 | General Practice Physician | Miami, FL | 2006 |
| Belinda O' Brien | 1750213476 | Case Manager/Care Coordinator | Chardon, OH | 2026 |
| Megan O' Brien, NP | 1417049164 | Family Nurse Practitioner | Springfield, MA | 2006 |
| Sophia O' Bryan, PA-C | 1801379383 | Physician Assistant | Libertyville, IL | 2018 |
| Arthur O' Connor | 1659525608 | Prosthodontics | Boston, MA | 2008 |
| Brian O' Connor | 1518126432 | Marriage & Family Therapist | Torrance, CA | 2008 |
| Catherine O' Connor, NP., CNM. | 1972574747 | Adult Health Nurse Practitioner | Boston, MA | 2006 |
| Lisa O' Connor, PA-C | 1134115868 | Physician Assistant | Tupper Lake, NY | 2005 |
| Megan O' Connor, MFT | 1205302320 | Marriage & Family Therapist | Meriden, CT | 2018 |
| Stephen O' Connor, MD | 1134137623 | Emergency Medicine Physician | Summerville, SC | 2006 |
| Karen O' Connor Perla, M.D. | 1538512280 | Family Medicine Physician | Chicago, IL | 2016 |
| Daniel O' Connors, M.ED | 1134353196 | Mental Health Counselor | Springfield, MA | 2009 |
| Judith O' Donnell, MD | 1780636399 | Infectious Disease Physician | Philadelphia, PA | 2006 |
| Rebecca O' Gormantrimbath, MA, BCBA | 1558629832 | Behavior Analyst | Pismo Beach, CA | 2012 |
| Rebecca O' Grady, NP | 1942833413 | Adult Health Nurse Practitioner | Atlanta, GA | 2020 |
| Theresa O' Hair, FNP | 1942467519 | Acute Care Nurse Practitioner | Oroville, CA | 2008 |
| Alan O' Hare, M.D | 1962880807 | Student in an Organized Health Care Education/Training Program | Worcester, MA | 2015 |
| Niamh O' Kane, M.A., M.S., B.C.B.A. | 1831348945 | Developmental Therapist | Arlington, TN | 2008 |
| Kelly O' Laughlin, LMSWCC | 1982586087 | Social Worker | Ellsworth, ME | 2025 |
| Pamela O' Laughlin | 1861412561 | Physical Therapist | Meadville, PA | 2006 |
| John O' Leary, NP | 1114213337 | Psychiatric/Mental Health Nurse Practitioner | Astoria, NY | 2011 |
| Lindsey O' Leary | 1841623493 | Student in an Organized Health Care Education/Training Program | Salinas, CA | 2013 |
| Doris O' Neal, LCSW | 1730107871 | Clinical Social Worker | San Jose, CA | 2006 |
| Miles O' Neal | 1760311567 | Behavior Technician | Brooklyn, NY | 2026 |
| Shani O' Neal | 1518005941 | Counselor | Concord, CA | 2007 |
| Emilia O' Neill Baker | 1396129045 | Professional Counselor | Aransas Pass, TX | 2015 |
| Sean O' Rourke, MD | 1255303947 | Cardiovascular Disease Physician | Lakeland, FL | 2006 |
| Conall O' Seaghdha, M.D. | 1497904379 | Nephrology Physician | Boston, MA | 2008 |
| Macdara O' Sullivan, LMSW | 1548406549 | Social Worker | New York, NY | 2008 |
| Patricia O' Sullivan, LCSW | 1538224399 | Clinical Social Worker | New York, NY | 2006 |
| Robert O' Sullivan, MD | 1053751271 | Obstetrics & Gynecology Physician | Bridgeport, CT | 2013 |
| Felexia O'Aku | 1083186951 | Behavior Technician | Dunwoody, GA | 2018 |
| Jessica O'Babatunde, MD | 1588982441 | Hospitalist Physician | Jacksonville, FL | 2010 |
| Victoria O'Babatunde, NP | 1881224657 | Family Nurse Practitioner | Atlanta, GA | 2020 |
| James O'Bando | 1790427276 | Counseling Psychologist | Sartell, MN | 2022 |
| Alyson O'Banion, MPT | 1396087896 | Physical Therapist | Augusta, GA | 2013 |
| Amanda O'Banion, M.S. CCC-SLP | 1992291694 | Speech-Language Pathologist | Anchorage, AK | 2018 |
| Anna O'Banion, OCCUPATIONAL THERAPI | 1699134841 | Occupational Therapist | Somerset, KY | 2016 |
| Auriel O'Banion, MS, BCBA, LBA | 1538668702 | Behavior Analyst | Windsor, CO | 2018 |
| Benjamin O'Banion, LPCC | 1740959410 | Professional Counselor | Broomfield, CO | 2021 |
| Carl O'Banion, PHARMD, BCNSP | 1508865403 | Nutrition Support Pharmacist | Lubbock, TX | 2005 |
| Colin O'Banion, DPT | 1851481303 | Orthopedic Physical Therapist | New York, NY | 2006 |
| Danielle O'Banion, M.D. | 1346501905 | Family Medicine Physician | Boston, MA | 2012 |
| Darcy O'Banion, APN | 1770039554 | Adult Health Clinical Nurse Specialist | Aurora, CO | 2016 |
| Deja O'Banion | 1790425882 | Attendant Care Provider | Lincoln, NE | 2022 |
| Dennis O'Banion, M.D. | 1457317539 | Surgery Physician | Texarkana, TX | 2006 |
| Dennis O'Banion, MD | 1992965792 | Developmental - Behavioral Pediatrics Physician | Atlanta, GA | 2008 |
| Eric O'Banion, M.D. | 1700871720 | Pediatrics Physician | Kokomo, IN | 2005 |
| Jacquelyn O'Banion, MD | 1003040262 | Ophthalmology Physician | Oklahoma City, OK | 2009 |
| Jamie O'Banion | 1871612325 | Mental Health Counselor | Prosser, WA | 2007 |
| Jessica O'Banion | 1942772124 | Behavior Technician | Holloman Afb, NM | 2018 |
| Joy O'Banion, LCSW, RPT-S | 1235198763 | Clinical Social Worker | Orem, UT | 2006 |
| Joy O'Banion, TSHH | 1912256082 | Specialist | Cheektowaga, NY | 2012 |
| Karen O'Banion, MA,CCC,SLP | 1710456207 | Speech-Language Pathologist | Ann Arbor, MI | 2018 |
| Katy O'Banion, PH.D. | 1437149838 | Clinical Psychologist | Holladay, UT | 2005 |
| Kristin O'Banion, APRN, FNP-C | 1689397366 | Nurse Practitioner | Lubbock, TX | 2022 |
| L. O'Banion, D.M.D. | 1962545277 | General Practice Dentistry | Louisville, KY | 2007 |
| Laura O'Banion, PHARMD | 1144548926 | Pharmacist | Round Rock, TX | 2010 |
| Lee O'Banion, ST ASSISTANT | 1356580252 | Speech-Language Assistant | Wynne, AR | 2009 |
| Leigh Ann O'Banion, M.D. | 1194023259 | Vascular Surgery Physician | Fresno, CA | 2011 |
| Mallary O'Banion | 1396011334 | Mental Health Counselor | Getzville, NY | 2012 |
| Mark O'Banion, DMD | 1851543821 | Endodontics | Dublin, OH | 2008 |
| Megan O'Banion, PSY.D. | 1154464303 | Clinical Psychologist | Lemon Grove, CA | 2007 |
| Melanie O'Banion, PHARM D. | 1376514935 | Pharmacist | Norfolk, VA | 2006 |
| Melissa O'Banion, PA-C | 1235785528 | Physician Assistant | Upland, CA | 2019 |
| Melissa O'Banion | 1265071914 | Physician Assistant | Ithaca, NY | 2019 |
| Olufunke O'Banion, RN | 1447730940 | Registered Nurse | Houston, TX | 2018 |
| Ryan O'Banion, PA-C | 1770162638 | Physician Assistant | Shenandoah, TX | 2021 |
| Sarah O'Banion, PA-C | 1841077088 | Physician Assistant | The Woodlands, TX | 2023 |
| Shelby O'Banion, MS, CCC-SLP | 1811534951 | Speech-Language Pathologist | Spokane, WA | 2019 |
| Sherry O'Banion, COTA/L | 1295193662 | Occupational Therapy Assistant | Mt Clemens, MI | 2016 |
| Susann O'Banion, NP | 1972026995 | Family Nurse Practitioner | Blair, NE | 2017 |
| Daija O'Banion Whaley, LCPC | 1386334027 | Mental Health Counselor | Orland Hills, IL | 2023 |
| Brandi O'Banner | 1952126658 | Behavior Technician | Elgin, IL | 2024 |
| Darrence O'Banner | 1720841174 | Community Health Worker | Anaheim, CA | 2024 |
| Jaleesa O'Banner | 1306560719 | Social Worker | Alamogordo, NM | 2022 |
| Jeffrey O'Banner, MD | 1801277363 | Emergency Medicine Physician | Olive Branch, MS | 2015 |
| Khalil O'Banner | 1023465242 | Mental Health Counselor | Philadelphia, PA | 2016 |
| Latia O'Banner, R.N. | 1962787663 | Registered Nurse | Randallstown, MD | 2011 |
| Minnie O'Banner, D.D., LMFT | 1750537973 | Marriage & Family Therapist | Biloxi, MS | 2008 |
| Tina O'Banner | 1578044269 | Mental Health Counselor | Beaufort, SC | 2018 |
| Tyrone O'Banner | 1598482580 | Psychiatric/Mental Health Nurse Practitioner | Springfield, MA | 2022 |
| Amelia O'Bannon | 1699457820 | Case Manager/Care Coordinator | Washington, DC | 2023 |
| Anna O'Bannon, FNP-C | 1780676007 | Family Nurse Practitioner | Chandler, AZ | 2005 |
| Ashley O'Bannon, MD | 1629248711 | Anatomic Pathology & Clinical Pathology Physician | Dyer, IN | 2008 |
| Bailey O'Bannon | 1396126330 | Medical Physician Assistant | Winchester, VA | 2015 |
| Brian O'Bannon, PA-C, FNP | 1184612483 | Physician Assistant | Oakdale, CA | 2005 |
| Chantal O'Bannon | 1801600267 | Case Manager/Care Coordinator | Columbus, OH | 2025 |
| Charles O'Bannon, PH.D. | 1508856642 | Psychologist | Gresham, OR | 2005 |
| Chiquita O'Bannon | 1760340087 | Psychiatric/Mental Health Nurse Practitioner | West Lafayette, IN | 2026 |
| Corrinna O'Bannon | 1508045808 | Acute Care Nurse Practitioner | Greenville, SC | 2007 |
| Eddie O'Bannon, PD | 1457695744 | Pharmacist | Hernando, MS | 2012 |
| Ellen O'Bannon, PT | 1730300419 | Physical Therapist | West Palm Beach, FL | 2007 |
| Faith O'Bannon, LPN | 1851079891 | Licensed Vocational Nurse | Akron, OH | 2023 |
| Fallon O'Bannon, RSW | 1720434905 | Mental Health Counselor | Natchitoches, LA | 2016 |
| Gloria O'Bannon | 1013726488 | Mental Health Counselor | Geneva, IL | 2024 |
| Hilary O'Bannon, DPT | 1598085904 | Physical Therapist | Homedale, ID | 2010 |
| Jake O'Bannon, LPC | 1457910275 | Mental Health Counselor | Oklahoma City, OK | 2019 |
| Jazmin O'Bannon | 1477103265 | Behavior Technician | Las Vegas, NV | 2019 |
| John O'Bannon, M.D. | 1720059900 | Neurology Physician | Richmond, VA | 2006 |
| Katie O'Bannon | 1447088158 | Mental Health Counselor | Marshalltown, IA | 2024 |
| Katy O'Bannon | 1649903592 | School Psychologist | Portland, OR | 2022 |
| Kim O'Bannon | 1649785072 | Case Manager/Care Coordinator | Columbus, OH | 2017 |
| Laura O'Bannon, ARNP | 1245349356 | Nurse Practitioner | Palo Alto, CA | 2006 |
| Lesley O'Bannon, OTRL | 1639202930 | Occupational Therapist | Winter Haven, FL | 2007 |
| Levelle O'Bannon | 1528849395 | Peer Specialist | Louisa, KY | 2023 |
| Linda O'Bannon, MD | 1932501533 | Internal Medicine Physician | Chicago, IL | 2014 |
| Lydia O'Bannon, PA-C | 1770911620 | Physician Assistant | South Lake Tahoe, CA | 2013 |
| Lynette O'Bannon | 1689008989 | Social Worker | North Las Vegas, NV | 2013 |
| Michael O'Bannon | 1750771531 | Peer Specialist | Snellville, GA | 2015 |
| Miriam O'Bannon, LCASA | 1164812921 | Addiction (Substance Use Disorder) Counselor | Forest City, NC | 2015 |
| Nikkia O'Bannon, LCSW | 1386302321 | Clinical Social Worker | Bedford, IN | 2021 |
| Patrick O'Bannon | 1760326367 | Professional Counselor | Idaho Falls, ID | 2026 |
| Paula O'Bannon, CRNA | 1245348259 | Certified Registered Nurse Anesthetist | Lexington, KY | 2006 |
| Rachel O'Bannon, MS CCC-SLP CBIS | 1750900585 | Speech-Language Pathologist | Bridgeton, MO | 2020 |
| Richard O'Bannon | 1447088182 | Mental Health Counselor | Marshalltown, IA | 2024 |
| Rinequa O'Bannon | 1790155315 | Acute Care Nurse Practitioner | Richmond, VA | 2015 |
| Robert O'Bannon, MD | 1639191612 | Anesthesiology Physician | Savannah, GA | 2006 |
| Ronjonette O'Bannon, LCSW | 1316183833 | Clinical Social Worker | Roswell, GA | 2009 |
| Sandra O'Bannon, LPC | 1114170958 | Professional Counselor | Manassas, VA | 2008 |
| Sean O'Bannon | 1366922932 | Pharmacist | Saint Louis, MO | 2018 |
| Shanna O'Bannon | 1366103707 | Professional Counselor | Oklahoma City, OK | 2022 |
| Shawn O'Bannon, D.M.D | 1801860747 | Orthodontics and Dentofacial Orthopedics Dentistry | Oxford, MS | 2006 |
| Taryn O'Bannon, DC | 1972373868 | Chiropractor | Naples, FL | 2024 |
| Tiffany O'Bannon | 1528458817 | Marriage & Family Therapist | Los Angeles, CA | 2015 |
| Tracie O'Bannon | 1700743101 | Family Nurse Practitioner | Saint Gabriel, LA | 2026 |
| Lashyrah O'Bannon-El | 1790428035 | Behavior Analyst | San Diego, CA | 2022 |
| Jennifer O'Banon, LMSW | 1174479232 | Clinical Social Worker | Wylie, TX | 2026 |
| Shelby O'Banon, MSN, CPNP-PC | 1396698387 | Pediatric Nurse Practitioner | Georgetown, TX | 2026 |
| Christopher O'Banye, PHD, CLINICAL PSYCHO | 1760599591 | Addiction (Substance Use Disorder) Counselor | Norman, OK | 2006 |
| Tirana O'Banyoun-Organ, CNM | 1417232109 | Advanced Practice Midwife | Norwalk, CT | 2011 |
| Jaime O'Bar, PHARMD. | 1306980628 | Pharmacist | Memphis, TN | 2007 |
| Katherine O'Bar, RD | 1023677028 | Registered Dietitian | Portland, OR | 2019 |
| Valerie O'Bar, RD | 1093366627 | Pediatric Nutrition Registered Dietitian | San Antonio, TX | 2019 |
| Joseph O'Bara | 1285496117 | Behavior Technician | Margate, FL | 2024 |
| Kenneth O'Bara, M.D. | 1144361304 | General Practice Physician | Tukwila, WA | 2007 |
| Lynn O'Bara, APRN | 1386724201 | Acute Care Nurse Practitioner | Hartford, CT | 2006 |
| Margaret O'Bara, LPCMH | 1992548820 | Mental Health Counselor | Felton, DE | 2024 |
| Paul O'Bara, P.T. | 1194927442 | Physical Therapist | Clovis, CA | 2007 |
| Alison O'Barr, PT | 1356698039 | Physical Therapist | Cherry Hill, NJ | 2012 |
| Allen O'Barr, M.D. | 1972610129 | Psychiatry Physician | Chapel Hill, NC | 2006 |
| Callie O'Barr, APRN | 1043100589 | Psychiatric/Mental Health Nurse Practitioner | Tampa, FL | 2025 |
| Christopher O'Barr, CRNP | 1023493509 | Family Nurse Practitioner | Huntsville, AL | 2015 |
| Christopher O'Barr, MD | 1750586947 | Anesthesiology Physician | Phoenix, AZ | 2007 |
| Corrie O'Barr | 1285094383 | Behavior Analyst | Sacramento, CA | 2016 |
| Kelly O'Barr, D.P.T. | 1679653067 | Physical Therapist | Fort Wayne, IN | 2006 |
| Mary O'Barr, PHARMD | 1720561889 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Tuskegee, AL | 2018 |
| Montica O'Barr, LPC-S, LCDC | 1346505849 | Professional Counselor | Waxahachie, TX | 2012 |
| Moriah O'Barr, PSYD | 1730633322 | Psychologist | Scarsdale, NY | 2016 |
| Thaddeus O'Barr, M.D. | 1609168814 | Anesthesiology Physician | Orange, CA | 2011 |
| Thomas O'Barr, M.D. | 1255334033 | Internal Medicine Physician | Woodstock, GA | 2005 |
| Jordan O'Barski, DNP, FNP-C | 1558964809 | Family Nurse Practitioner | Greenwood, IN | 2020 |
| Leah O'Barski, RN, RCS | 1831267285 | Home Health Registered Nurse | Manitowoc, WI | 2006 |
| Laurel O'Barto, PA-C | 1982398145 | Physician Assistant | Winchester, VA | 2023 |
| Uwarobosa O'Basuyi, QMHS / CMS | 1184217697 | Case Manager/Care Coordinator | Dayton, OH | 2021 |
| Rebecca O'Baugh | 1245586478 | Licensed Practical Nurse | Knoxville, TN | 2012 |
| Whitney O'Baugh, LPC / LCDC | 1528880861 | Professional Counselor | Round Rock, TX | 2024 |
| Edaliz O'Bear, M.ED, BCBA | 1811522097 | Behavior Analyst | Claxton, GA | 2020 |
| Nathaniel O'Bear, DBA, BCBA | 1104566603 | Behavior Analyst | Claxton, GA | 2022 |
| Paula O'Bear, APN | 1871938266 | Nurse Practitioner | Chattanooga, TN | 2013 |
| Ashley O'Beirne | 1467969121 | Professional Counselor | Fair Lawn, NJ | 2018 |
| Brenda O'Beirne, PHD | 1821803479 | Psychologist | Madison, WI | 2025 |
| Debra O'Beirne, MD | 1710045414 | Psychiatry Physician | Chantilly, VA | 2006 |
| Donna O'Beirne | 1689029142 | Speech-Language Pathologist | Lloyd Harbor, NY | 2016 |
| Edward O'Beirne, PA | 1356309207 | Medical Physician Assistant | Scottsdale, AZ | 2006 |
| Eileen O'Beirne, LPC, LMFT | 1629138177 | Marriage & Family Therapist | Alexandria, VA | 2006 |
| Gerrarda O'Beirne, B.D.S.,M.S.D. | 1518949247 | Dentist | Seattle, WA | 2005 |
| Jacqueline O'Beirne, DDS | 1518095314 | General Practice Dentistry | Lakewood, CO | 2007 |
| Joanne O'Beirne | 1932344140 | Speech-Language Pathologist | Bronx, NY | 2008 |
| Kenneth O'Beirne, MD | 1740397629 | Anesthesiology Physician | Toledo, OH | 2006 |
| Madison O'Beirne | 1487243028 | Behavior Technician | Columbia, MD | 2021 |
| Maeve O'Beirne, DO | 1003666744 | Student in an Organized Health Care Education/Training Program | Worcester, MA | 2024 |
| Mary O'Beirne, MA, LMHC | 1083767404 | Professional Counselor | Chelsea, MA | 2007 |
| Mary O'Beirne, PA | 1356306963 | Medical Physician Assistant | Brattleboro, VT | 2006 |
| Patrick O'Beirne, M.D. | 1215969753 | Clinical Cardiac Electrophysiology Physician | Hartford, CT | 2006 |
| Rachel O'Beirne | 1417441460 | Family Medicine Physician | Perryton, TX | 2018 |
| Sarah O'Beirne, MB BCH BAO PHD | 1275807455 | Pulmonary Disease Physician | New York, NY | 2012 |
| Stephen O'Beirne, LCSW | 1225121130 | Clinical Social Worker | New York, NY | 2006 |
| Tommie O'Beirne, CRNA | 1992720734 | Certified Registered Nurse Anesthetist | Huntsville, AL | 2006 |
| Angela O'Bel | 1760552335 | Speech-Language Pathologist | Sauk City, WI | 2006 |
| Catherine O'Bell, BCBA | 1669840047 | Behavior Analyst | Grand Rapids, MI | 2015 |
| John O'Bell, MS, LPC | 1356621528 | Professional Counselor | Center Valley, PA | 2011 |
| John O'Bell, MD | 1982657805 | Nephrology Physician | Fall River, MA | 2006 |
| Marylynn O'Bell, AU.D., FAAA | 1851490890 | Audiologist | Dickson City, PA | 2006 |
| Kari O'Berc | 1427339951 | Pharmacist | Orange Park, FL | 2011 |
| Brittany O'Berg | 1669338117 | Speech-Language Pathologist | Staten Island, NY | 2025 |
| Evan O'Berg, MD | 1720912207 | Emergency Medicine Physician | Tucson, AZ | 2026 |
| Todd O'Berg | 1033772959 | Addiction (Substance Use Disorder) Counselor | Marysville, CA | 2019 |
| Megan O'Bern | 1639474166 | Behavior Analyst | Waterford, CT | 2011 |
| Amanda O'Berry | 1285232967 | Personal Care Attendant | Milton, FL | 2020 |
| Amanda O'Berry | 1598276677 | Registered Nurse | Riviera Beach, FL | 2017 |
| Brianne O'Berry, PT, DPT, MSED, CSCS | 1255706826 | Physical Therapist | Virginia Beach, VA | 2015 |
| Chelsea O'Berry, PHARM D. | 1003465485 | Pharmacist | Tampa, FL | 2019 |
| Christina O'Berry | 1700318300 | Certified Registered Nurse Anesthetist | Norfolk, VA | 2017 |
| Claude O'Berry | 1689347635 | Social Worker | Bismarck, ND | 2021 |
| Debra O'Berry, MA, LPC, CAAC | 1174792303 | Counselor | Mason, MI | 2008 |
| Dusti O'Berry, RKT | 1063465367 | Kinesiotherapist | Murfreesboro, TN | 2006 |
| Jaime O'Berry, BA | 1740908276 | Mental Health Counselor | Greeley, CO | 2022 |
| Kamna O'Berry, DNP | 1093570350 | Nurse Practitioner | Greensboro, NC | 2024 |
| Kelly O'Berry, LISW | 1861757148 | Social Worker | West Des Moines, IA | 2012 |
| Kelsey O'Berry | 1801504055 | Behavior Technician | Silver Spring, MD | 2022 |
| Kendra O'Berry, LISW | 1184187353 | Clinical Social Worker | North Augusta, SC | 2019 |
| Kimberly O'Berry, L.AC | 1518458231 | Acupuncturist | Oakland, CA | 2018 |
| Lindsay O'Berry | 1417312653 | Mental Health Counselor | St Petersburg, FL | 2015 |
| Margaret O'Berry | 1154620524 | Registered Nurse | Adel, GA | 2011 |
| Mary O'Berry, MS, ATC | 1316490865 | Athletic Trainer | Lynchburg, VA | 2016 |
| Meaghan O'Berry, LMSW | 1205382710 | Clinical Social Worker | Flint, MI | 2016 |
| Olivia O'Berry, PA-C | 1093123457 | Physician Assistant | Clearwater, FL | 2014 |
| Patricia O'Berry, APRN | 1538540661 | Pediatric Clinical Nurse Specialist | Washington, DC | 2015 |
| Sarah O'Berry, MD | 1437833266 | Surgery Physician | Falls Church, VA | 2023 |
| Savannah O'Berry, LPC | 1912601220 | Mental Health Counselor | Mobile, AL | 2023 |
| Shawn O'Berry, DDS | 1285757880 | General Practice Dentistry | Arvada, CO | 2007 |
| Skylar O'Berry | 1003741901 | Occupational Therapist | West Bloomfield, MI | 2026 |
| Skyler O'Berry | 1386506772 | Student in an Organized Health Care Education/Training Program | Staten Island, NY | 2025 |
| Willard O'Berry, M.S.P.T. | 1174851083 | Physical Therapist | Centerville, UT | 2009 |
| Vernon O'Berry, Jr., D.D.S. | 1134200231 | General Practice Dentistry | Norfolk, VA | 2006 |
| Emily O'Berski | 1043539786 | Speech-Language Pathologist | Clinton, IA | 2010 |
| Robert O'Bert, MD | 1891880225 | Otolaryngology Physician | Saint Louis, MO | 2006 |
| Melissa O'Berto, SLP-CCC | 1245076447 | Speech-Language Pathologist | Henderson, NV | 2024 |
| Joel O'Beso, PSY.D. | 1154566438 | Clinical Psychologist | San Mateo, CA | 2008 |
| Valerie O'Besso, MD | 1346869849 | Obstetrics & Gynecology Physician | Brooklyn, NY | 2020 |
| Norma O'Bien | 1326217555 | Community Health Worker | Prineville, OR | 2008 |
| Mary O'Bier, FNP | 1710623111 | Family Nurse Practitioner | Tappahannock, VA | 2022 |
| Melinda O'Bier | 1417566431 | Physical Therapy Assistant | Seaford, DE | 2020 |
| Alisa O'Bine, M.ED, BCABA | 1619230968 | Specialist | Ithaca, NY | 2012 |
| Kyle O'Blanc, MD | 1013116458 | Diagnostic Radiology Physician | Saint Louis, MO | 2007 |
| Andrew O'Bleness, DC | 1609411750 | Chiropractor | Clive, IA | 2019 |
| Christopher O'Bleness, PHARM D | 1578082558 | Pharmacist | Anacortes, WA | 2017 |
| Cyndie O'Bleness, LMAC | 1467916353 | Addiction (Substance Use Disorder) Counselor | Overland Park, KS | 2019 |
| Jessica O'Bleness, PHD | 1346815958 | Psychologist | Dallas, TX | 2021 |
| Ryan O'Bleness, D.C. | 1962527291 | Chiropractor | Simpsonville, SC | 2007 |
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).