Providers Cara O'Reilly, M.D. to Michael O'Riordan, D.D.S.,M.S.
300 individual NPIs in the federal registry, part 16,051 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 |
|---|---|---|---|---|
| Cara O'Reilly, M.D. | 1851596464 | Pediatrics Physician | Boston, MA | 2007 |
| Carey O'Reilly, R.D., L.D.N | 1336241603 | Registered Dietitian | Morehead City, NC | 2006 |
| Carolyn O'Reilly, RN | 1750880423 | Ambulatory Care Registered Nurse | Oneonta, NY | 2018 |
| Casey O'Reilly, NP | 1265936736 | Family Nurse Practitioner | Manchester, MA | 2018 |
| Casie O'Reilly, M.ED., CRC | 1083086441 | Counselor | Ogdensburg, NY | 2015 |
| Cassidy O'Reilly, CRNA | 1215953591 | Certified Registered Nurse Anesthetist | Huntsville, AL | 2006 |
| Catherine O'Reilly, LCSWA | 1477350395 | Clinical Social Worker | Apex, NC | 2025 |
| Charity O'Reilly, LPC | 1629847736 | Professional Counselor | Kintnersville, PA | 2023 |
| Charlene O'Reilly, NP | 1174059455 | Nurse Practitioner | Boston, MA | 2017 |
| Chelsea O'Reilly | 1093541849 | Student in an Organized Health Care Education/Training Program | Long Beach, CA | 2024 |
| Christian O'Reilly, DO | 1316555295 | Military Health Care Provider | Beaufort, SC | 2020 |
| Christina O'Reilly | 1043621212 | Rehabilitation Practitioner | Las Vegas, NV | 2014 |
| Christine O'Reilly, M.A. | 1447393905 | Audiologist | Columbus, OH | 2007 |
| Christine O'Reilly | 1710023122 | Physical Therapist | Port Jefferson, NY | 2007 |
| Christopher O'Reilly, MA | 1154188639 | Professional Counselor | Nashville, TN | 2024 |
| Christy O'Reilly, CNM,MSN | 1245384452 | Advanced Practice Midwife | Braselton, GA | 2007 |
| Colin O'Reilly | 1295692903 | Behavior Technician | Brookpark, OH | 2026 |
| Colin O'Reilly, D.O. | 1356671887 | Pediatric Critical Care Medicine Physician | New Brunswick, NJ | 2010 |
| Colleen O'Reilly, L.AC. | 1760972830 | Acupuncturist | San Francisco, CA | 2018 |
| Connie O'Reilly, PH.D. | 1164401329 | Clinical Psychologist | Beaverton, OR | 2006 |
| Constance O'Reilly | 1770690299 | Chiropractor | Burbank, CA | 2006 |
| Corey O'Reilly, MD | 1730548181 | Diagnostic Radiology Physician | Fort Eisenhower, GA | 2016 |
| Courtney O'Reilly, DO | 1174152748 | Psychiatry Physician | Farmington, CT | 2020 |
| Cristina O'Reilly, CCC SLP | 1154031417 | Speech-Language Pathologist | Whittier, CA | 2022 |
| Dana O'Reilly | 1407214562 | Speech-Language Pathologist | Honolulu, HI | 2016 |
| Daniel O'Reilly | 1407634868 | Behavior Technician | Killeen, TX | 2023 |
| Daniel O'Reilly, M.D. | 1629184833 | Neurology Physician | Elmhurst, IL | 2006 |
| Daniel O'Reilly, MD | 1760973481 | Anesthesiology Physician | Columbus, OH | 2018 |
| Darlene O'Reilly, OT | 1225190465 | Occupational Therapist | South Setauket, NY | 2006 |
| David O'Reilly, M.D. | 1801814561 | Cardiovascular Disease Physician | Berea, KY | 2006 |
| Dawn Marie O'Reilly, PH.D., PA-C | 1255682415 | Physician Assistant | Winston Salem, NC | 2012 |
| Dawn-Marie O'Reilly, PA | 1134195845 | Medical Physician Assistant | Middletown, CT | 2006 |
| Debbie O'Reilly, D.C., DIPL. AC. | 1346415304 | Chiropractor | Littleton, CO | 2008 |
| Deborah O'Reilly, PT | 1295717536 | Physical Therapist | Saint Paul, MN | 2005 |
| Debra O'Reilly, PA-C | 1629104450 | Medical Physician Assistant | Aurora, CO | 2007 |
| Deirdre O'Reilly, M.D. | 1396794962 | Emergency Medicine Physician | Las Vegas, NV | 2006 |
| Deirdre O'Reilly, MD, MPH | 1548250350 | Neonatal-Perinatal Medicine Physician | Worcester, MA | 2005 |
| Deirdre O'Reilly, MSW, LSW | 1598179723 | Social Worker | Englewood, NJ | 2014 |
| Denise O'Reilly | 1982088282 | Behavior Analyst | Pennsauken, NJ | 2015 |
| Devin O'Reilly | 1659807956 | Student in an Organized Health Care Education/Training Program | North Andover, MA | 2017 |
| Diana O'Reilly, PA-C | 1871009795 | Surgical Physician Assistant | Fort Worth, TX | 2017 |
| Donna O'Reilly, LCSW | 1538488150 | Clinical Social Worker | Warren, MI | 2010 |
| Donna O'Reilly, APRN | 1992984868 | Women's Health Nurse Practitioner | Kansas City, MO | 2007 |
| Dylan O'Reilly, MD | 1831628486 | Allergy & Immunology Physician | Brighton, MI | 2017 |
| Eamon O'Reilly, MD | 1326097932 | Plastic and Reconstructive Surgery Physician | Columbia, MO | 2006 |
| Edward O'Reilly, MD | 1013449867 | Surgery Physician | Albuquerque, NM | 2017 |
| Edward O'Reilly, PAC | 1548653801 | Physician Assistant | Peabody, MA | 2015 |
| Edward O'Reilly, CRNA | 1558337220 | Certified Registered Nurse Anesthetist | Kalamazoo, MI | 2006 |
| Edward O'Reilly, LICDC-CS | 1578012373 | Addiction (Substance Use Disorder) Counselor | Columbus, OH | 2016 |
| Eileen O'Reilly, M.S.ED. | 1124322029 | Behavior Analyst | White Plains, NY | 2011 |
| Eileen O'Reilly, MD | 1477644896 | Medical Oncology Physician | New York, NY | 2006 |
| Eilish O'Reilly, DPT | 1871391748 | Physical Therapist | East Setauket, NY | 2025 |
| Elaine O'Reilly, MS, LPC | 1629125554 | Marriage & Family Therapist | Golden, CO | 2007 |
| Elise O'Reilly | 1447071949 | Behavior Technician | Marlborough, MA | 2024 |
| Elizabeth O'Reilly | 1063855096 | Registered Nurse | Boston, MA | 2013 |
| Elizabeth O'Reilly | 1184045718 | Case Manager/Care Coordinator | Murray, UT | 2013 |
| Elizabeth O'Reilly | 1205236379 | Counselor | San Leandro, CA | 2014 |
| Elizabeth O'Reilly | 1831446970 | Adult Health Nurse Practitioner | Boston, MA | 2012 |
| Elyse O'Reilly, CPNP-PC | 1932761368 | Primary Care Nurse Practitioner | Boston, MA | 2019 |
| Emer O'Reilly | 1750867289 | Physical Therapist | Pittsburgh, PA | 2018 |
| Emily O'Reilly, LICSW | 1790278737 | Clinical Social Worker | Boston, MA | 2018 |
| Emily O'Reilly, APN | 1841070943 | Family Nurse Practitioner | Plano, IL | 2023 |
| Emily O'Reilly, PHARMD | 1881100436 | Ambulatory Care Pharmacist | Louisville, KY | 2017 |
| Eric O'Reilly, MD | 1366051922 | Family Medicine Physician | Wilmington, NC | 2020 |
| Erica O'Reilly, PMHNP-BC | 1275961294 | Psychiatric/Mental Health Nurse Practitioner | Tacoma, WA | 2013 |
| Erin O'Reilly, MSW | 1154504850 | Clinical Social Worker | Portland, OR | 2007 |
| Erin O'Reilly | 1518182807 | School Psychologist | Jamaica, NY | 2007 |
| Eugene O'Reilly, MACCCSLP | 1891034773 | Speech-Language Pathologist | San Francisco, CA | 2013 |
| Gabrielle O'Reilly, FNP-C | 1043727373 | Family Nurse Practitioner | Sherburne, NY | 2018 |
| Gail O'Reilly, M.S., CCC-SLP | 1851545412 | Speech-Language Pathologist | Bellmore, NY | 2008 |
| Gerald O'Reilly, M.D. | 1013960533 | Diagnostic Radiology Physician | Stoneham, MA | 2006 |
| Geralyn O'Reilly, M.D. | 1548348485 | Maternal & Fetal Medicine Physician | Baltimore, MD | 2006 |
| Haley O'Reilly, PA | 1154787752 | Physician Assistant | Atlanta, GA | 2016 |
| Hayley O'Reilly | 1730064783 | Personal Care Attendant | Omaha, NE | 2025 |
| Helen O'Reilly, LCSW, BCD | 1568685402 | Clinical Social Worker | New York, NY | 2007 |
| Holly O'Reilly, APN-A | 1639418338 | Certified Registered Nurse Anesthetist | Camden, NJ | 2013 |
| James O'Reilly, M.D. | 1215913306 | Pediatrics Physician | Nashua, NH | 2005 |
| James O'Reilly, PA-C | 1659730091 | Physician Assistant | Wilmington, NC | 2016 |
| Janice O'Reilly | 1326379538 | Licensed Practical Nurse | Mahopac, NY | 2010 |
| Jayce O'Reilly | 1912792714 | Behavior Technician | Fall River, MA | 2025 |
| Jeffrey O'Reilly | 1144687484 | Registered Nurse | Marshfield, WI | 2016 |
| Jennifer O'Reilly, M.D. | 1023278389 | Family Medicine Physician | Norwich, NY | 2008 |
| Jessica O'Reilly, M.S. CCC-SLP | 1215730502 | Speech-Language Pathologist | Cary, NC | 2025 |
| John O'Reilly, MD | 1821189721 | Pediatrics Physician | Springfield, MA | 2006 |
| Julia O'Reilly | 1295104362 | Developmental Therapist | Baton Rouge, LA | 2015 |
| Julia O'Reilly | 1952467599 | Mental Health Counselor | Middleton, WI | 2006 |
| Juliana O'Reilly | 1033924980 | General Practice Physician | Bethesda, MD | 2025 |
| Julie O'Reilly, PSY.D. | 1235274713 | Clinical Neuropsychologist | Silver Spring, MD | 2007 |
| June O'Reilly, D.D.S. | 1053649707 | General Practice Dentistry | Amagansett, NY | 2009 |
| Kara O'Reilly | 1851266506 | Speech-Language Pathologist | Jupiter, FL | 2025 |
| Katherine O'Reilly | 1215499009 | Nurse Practitioner | Mansfield, PA | 2019 |
| Katherine O'Reilly | 1902290588 | Advanced Practice Midwife | Moab, UT | 2015 |
| Kathleen O'Reilly, P.T. | 1609055946 | Physical Therapist | Portage, WI | 2007 |
| Kathleen O'Reilly | 1659835585 | Behavior Technician | Pleasanton, CA | 2019 |
| Kathleen O'Reilly, PA-C | 1699976464 | Physician Assistant | Warren, NJ | 2007 |
| Kathleen O'Reilly, CNP | 1891854006 | Nurse Practitioner | Canton, OH | 2006 |
| Kathrine O'Reilly, MD | 1336340892 | Emergency Medicine Physician | Garland, TX | 2007 |
| Kathryn O'Reilly, MD, PHD | 1033370408 | MOHS-Micrographic Surgery Physician | Lewes, DE | 2008 |
| Kathryn O'Reilly | 1386532695 | Physical Therapist | Wellesley, MA | 2025 |
| Kathryn O'Reilly, CNM | 1548037112 | Advanced Practice Midwife | Columbia, MD | 2023 |
| Katie O'Reilly, M.D. | 1083803126 | Anatomic Pathology & Clinical Pathology Physician | Round Rock, TX | 2007 |
| Kayli O'Reilly | 1356917967 | Behavior Technician | Greenville, SC | 2021 |
| Keira O'Reilly, PA | 1891378873 | Physician Assistant | Greenwich, CT | 2021 |
| Kelley O'Reilly, D.O. | 1942567730 | Internal Medicine Physician | Springfield, MO | 2012 |
| Kelly O'Reilly, RN | 1073743407 | Registered Nurse | Waukesha, WI | 2009 |
| Kelly O'Reilly, MD | 1164282760 | Student in an Organized Health Care Education/Training Program | Deerfield Beach, FL | 2024 |
| Kelly O'Reilly, CRNA | 1558599837 | Certified Registered Nurse Anesthetist | Jackson, MS | 2009 |
| Kelly O'Reilly | 1861320897 | Behavior Technician | Parsippany, NJ | 2026 |
| Kellyanne O'Reilly | 1588500607 | Physical Therapist | Pompton Plains, NJ | 2026 |
| Kerida O'Reilly, PT, DPT | 1871917344 | Physical Therapist | Maple Grove, MN | 2014 |
| Kerrianne O'Reilly, M.S., LPC | 1558650671 | Counselor | Clarks Summit, PA | 2011 |
| Kerry O'Reilly, PSYD, LMFT | 1336355981 | Marriage & Family Therapist | Ventura, CA | 2007 |
| Kesha O'Reilly, PHARM.D.,RPH | 1417183948 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Laurel, MD | 2009 |
| Kevin O'Reilly, PH.D. | 1124114756 | Psychologist | New London, CT | 2006 |
| Kevin O'Reilly, M.D. | 1174531354 | Nephrology Physician | Grove City, OH | 2006 |
| Kevin O'Reilly | 1396229811 | Psychiatric/Mental Health Nurse Practitioner | Maryville, TN | 2018 |
| Kevin O'Reilly, D.P.M. | 1649212572 | Podiatrist | San Bernardino, CA | 2006 |
| Kevin O'Reilly, DO | 1952693079 | Internal Medicine Physician | Ann Arbor, MI | 2011 |
| Kim O'Reilly, LMHC | 1558109728 | Mental Health Counselor | Hingham, MA | 2024 |
| Kimberly O'Reilly, ARNP | 1376016154 | Adult Health Nurse Practitioner | Miami, FL | 2019 |
| Kyle O'Reilly | 1770466468 | Mental Health Counselor | Evergreen, CO | 2025 |
| Kyndra O'Reilly, MOT, OTR/L | 1649410242 | Occupational Therapist | Reno, NV | 2009 |
| La Ree O'Reilly, LCSW | 1699009548 | Clinical Social Worker | Bountiful, UT | 2009 |
| Lanni O'Reilly, APRN, FNP-BC | 1962252114 | Family Nurse Practitioner | San Bernardino, CA | 2024 |
| Laura O'Reilly | 1528924818 | Student in an Organized Health Care Education/Training Program | Morrisville, VT | 2025 |
| Lauren O'Reilly, PHD | 1215728191 | Clinical Psychologist | Indianapolis, IN | 2025 |
| Lauren O'Reilly | 1225726789 | Speech-Language Pathologist | New Lenox, IL | 2023 |
| Lauren O'Reilly | 1386476760 | Professional Counselor | Hampden, ME | 2024 |
| Lauren O'Reilly, LCSW, LCAS | 1902326333 | Clinical Social Worker | Burlington, NC | 2017 |
| Leo O'Reilly | 1538935655 | Community Health Worker | Burlington, VT | 2023 |
| Lianne O'Reilly | 1386373439 | Clinical Social Worker | Boston, MA | 2022 |
| Lily O'Reilly | 1902720907 | Physical Therapist | Indianapolis, IN | 2026 |
| Lindsay O'Reilly, RD, LD | 1467940098 | Registered Dietitian | Leawood, KS | 2018 |
| Lisa O'Reilly | 1760631725 | Speech-Language Pathologist | Ronkonkoma, NY | 2008 |
| Madalyn O'Reilly, OTR/L | 1013780857 | Occupational Therapist | Northfield, MN | 2023 |
| Maggie O'Reilly, MASTERS OF ARTS | 1144670795 | Behavior Analyst | Leitchfield, KY | 2016 |
| Mairead O'Reilly, DDS | 1235335589 | Orthodontics and Dentofacial Orthopedics Dentistry | Annapolis, MD | 2007 |
| Marcia O'Reilly | 1477669448 | Certified Registered Nurse Anesthetist | Warren, MI | 2006 |
| Margaret O'Reilly, RD | 1164116273 | Registered Dietitian | Houston, TX | 2023 |
| Margaret O'Reilly, MD | 1255349718 | Obstetrics & Gynecology Physician | Portland, OR | 2006 |
| Margaret O'Reilly, M.A.P.T. | 1417997404 | Physical Therapist | Exton, PA | 2006 |
| Margret O'Reilly, PSY.D. | 1639716863 | Psychologist | Chicago, IL | 2019 |
| Margretta O'Reilly, M.D. | 1821024779 | Dermatology Physician | Anchorage, AK | 2006 |
| Marjory O'Reilly | 1114796505 | Peer Specialist | Marysville, OH | 2023 |
| Martha O'Reilly, MD | 1285788521 | Internal Medicine Physician | Clifton, TX | 2007 |
| Martina O'Reilly, RN | 1891392155 | Addiction (Substance Use Disorder) Registered Nurse | Valley Cottage, NY | 2020 |
| Mary O'Reilly, OT/L | 1073050563 | Occupational Therapist | Williamston, MI | 2017 |
| Mary O'Reilly, RN | 1285858845 | Home Health Registered Nurse | Ashley, OH | 2007 |
| Mary O'Reilly, M.S.ED | 1396121018 | Behavior Analyst | Hingham, MA | 2015 |
| Mary O'Reilly | 1467070003 | Student in an Organized Health Care Education/Training Program | San Francisco, CA | 2020 |
| Mary O'Reilly, PTA | 1720684335 | Physical Therapy Assistant | Winchester, VA | 2020 |
| Mary O'Reilly, RN | 1851640734 | Registered Nurse | Omaha, NE | 2012 |
| Mary Jean O'Reilly, PH.D., BCBA | 1467910364 | Behavior Analyst | Florence, MA | 2019 |
| Mary Linda O'Reilly, NP | 1043271455 | Nurse Practitioner | Worcester, MA | 2006 |
| Maryellen O'Reilly, M.D. | 1780851808 | General Practice Physician | Irvine, CA | 2008 |
| Matthew O'Reilly, D.O. | 1932550936 | Family Medicine Physician | Encinitas, CA | 2016 |
| Matthew O'Reilly, MD | 1952989782 | Student in an Organized Health Care Education/Training Program | Morristown, NJ | 2021 |
| Maura O'Reilly | 1245912633 | Physical Therapist | Charleston, SC | 2023 |
| Maureen O'Reilly | 1184746109 | Occupational Therapist | Ambler, PA | 2007 |
| Maureen O'Reilly, P.T. | 1811141963 | Pediatric Physical Therapist | North Richland Hills, TX | 2008 |
| Maureen O'Reilly, NNP-BC | 1902071186 | Neonatal Nurse Practitioner | Kenosha, WI | 2008 |
| Meaghan O'Reilly, LGPC | 1750821468 | Mental Health Counselor | Millersville, MD | 2017 |
| Megan O'Reilly, ATC | 1457983397 | Student in an Organized Health Care Education/Training Program | Syracuse, NY | 2020 |
| Megan O'Reilly, RN | 1568083194 | Registered Nurse | Chapel Hill, NC | 2020 |
| Meghan O'Reilly, OTR/L | 1588919500 | Occupational Therapist | Olympia, WA | 2012 |
| Meghan O'Reilly, FNP-BC | 1619838265 | Nurse Practitioner | Geneva, IL | 2025 |
| Melanie O'Reilly, DT | 1275789836 | Developmental Therapist | Bartlett, IL | 2008 |
| Michael O'Reilly | 1346826609 | Mental Health Counselor | Canton, MS | 2021 |
| Michael O'Reilly, O.D. | 1639149222 | Corneal and Contact Management Optometrist | Akron, OH | 2006 |
| Michael O'Reilly, PA-C | 1669139879 | Physician Assistant | Orange, CA | 2021 |
| Michael O'Reilly, PT, DPT | 1669901351 | Physical Therapist | Montvale, NJ | 2017 |
| Michael O'Reilly, M.D. | 1730355447 | Orthopaedic Surgery Physician | Hingham, MA | 2008 |
| Michael O'Reilly, MD | 1760400253 | Anesthesiology Physician | Ann Arbor, MI | 2006 |
| Michael O'Reilly, MD | 1871000257 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2018 |
| Michael O'Reilly, M.D. | 1891723995 | Obstetrics & Gynecology Physician | Shelton, CT | 2006 |
| Michael O'Reilly, M.D. | 1891869335 | Radiation Oncology Physician | Houston, TX | 2006 |
| Michael O'Reilly | 1982970968 | Pediatrics Physician | New Rochelle, NY | 2012 |
| Mikayla O'Reilly | 1457074973 | Counselor | Harrisburg, PA | 2022 |
| Molly O'Reilly | 1174207740 | Professional Counselor | Madison, CT | 2023 |
| Molly O'Reilly, BA | 1467748152 | Specialist | Manchester, NH | 2011 |
| Monica O'Reilly, NP-C | 1710172523 | Family Nurse Practitioner | Meriden, CT | 2007 |
| Nancy O'Reilly, BCBA, LBA | 1659894244 | Behavior Analyst | Forest Hills, NY | 2017 |
| Nancy O'Reilly, RBT-21-180205 | 1740905900 | Behavior Technician | Hialeah, FL | 2022 |
| Naomi O'Reilly | 1669958856 | Personal Care Attendant | Las Vegas, NV | 2018 |
| Nellie O'Reilly, MSW, LCSW, RPT | 1497773980 | Clinical Social Worker | Lakeside, MT | 2006 |
| Nicholas O'Reilly | 1366181331 | Behavior Technician | Baxter, MN | 2022 |
| Nicole O'Reilly | 1508628280 | Behavior Technician | Stuart, FL | 2024 |
| Olivia O'Reilly, M.D. | 1962060558 | Orthopaedic Surgery Physician | Oklahoma City, OK | 2019 |
| Orla O'Reilly | 1740542885 | Specialist | Eastchester, NY | 2012 |
| Patrick O'Reilly | 1184083040 | Speech-Language Pathologist | Farmingville, NY | 2016 |
| Patrick O'Reilly, PHD | 1700054467 | Psychologist | Napa, CA | 2008 |
| Patrick O'Reilly, PHYSICIAN ASSISTANT | 1801451273 | Physician Assistant | Elma, WA | 2019 |
| Patrick O'Reilly, D.C. | 1962543421 | Chiropractor | Muskogee, OK | 2007 |
| Paul O'Reilly, PHARM. D. | 1811297617 | Pharmacist | Graham, WA | 2010 |
| Paula O'Reilly, D.M.D. | 1295946416 | Dentist | Lafayette Hill, PA | 2007 |
| Peter O'Reilly, PA-C | 1295105021 | Medical Physician Assistant | Carson City, NV | 2015 |
| Peter O'Reilly, M.D. | 1700221553 | Anesthesiology Physician | Bozeman, MT | 2013 |
| Philip O'Reilly | 1245263466 | Critical Care Medicine (Internal Medicine) Physician | Birmingham, AL | 2006 |
| Phillip O'Reilly | 1881087070 | Counselor | Western Springs, IL | 2015 |
| Rachel O'Reilly | 1790452019 | Occupational Therapist | Houston, TX | 2021 |
| Rachel O'Reilly | 1942694831 | Clinical Social Worker | Jb Andrews, MD | 2015 |
| Rebecca O'Reilly | 1407256282 | Developmental Therapist | Deerfield Beach, FL | 2014 |
| Rebecca O'Reilly, RPH | 1497038947 | Pharmacotherapy Pharmacist | House Springs, MO | 2011 |
| Richard O'Reilly, CRNA | 1154341808 | Certified Registered Nurse Anesthetist | San Diego, CA | 2006 |
| Richard O'Reilly, MD | 1518938075 | Pediatrics Physician | New York, NY | 2006 |
| Rita O'Reilly, CNM | 1326003583 | Advanced Practice Midwife | Minneapolis, MN | 2006 |
| Robert O'Reilly, D.O. | 1497780605 | Internal Medicine Physician | Farmington, ME | 2006 |
| Rui O'Reilly, MASSAGE THERAPIST | 1184040644 | Attendant Care Provider | Happy Valley, OR | 2014 |
| Sandra O'Reilly, M.A.,CCC | 1548578396 | Speech-Language Pathologist | Huntington, NY | 2010 |
| Sara O'Reilly, D.O. | 1063623205 | Obstetrics & Gynecology Physician | Morristown, NJ | 2007 |
| Sarah O'Reilly, LGSW | 1053511501 | Social Worker | Saint Cloud, MN | 2007 |
| Sarah O'Reilly | 1952939357 | Orthopedic Physical Therapist | Cambridge, MA | 2020 |
| Seamus O'Reilly, CRNP | 1245100445 | Primary Care Nurse Practitioner | Scranton, PA | 2025 |
| Sean O'Reilly, DPT | 1356501738 | Physical Therapist | Hyannis, MA | 2008 |
| Sean O'Reilly, M.D. | 1871527879 | Pulmonary Disease Physician | South Weymouth, MA | 2006 |
| Sean O'Reilly | 1891626883 | Athletic Trainer | Southington, CT | 2026 |
| Shannon O'Reilly, RBT | 1083455372 | Behavior Technician | Louisville, KY | 2024 |
| Shannon O'Reilly | 1609555234 | Mental Health Counselor | Lake Forest, IL | 2023 |
| Shannon O'Reilly | 1649030503 | Counselor | Asheville, NC | 2024 |
| Shannon O'Reilly, DO | 1932859584 | Hospice and Palliative Medicine (Family Medicine) Physician | Gainesville, GA | 2022 |
| Shannon O'Reilly | 1952878894 | Speech-Language Assistant | Pearland, TX | 2018 |
| Sharon O'Reilly, NP | 1528081692 | Obstetrics & Gynecology Nurse Practitioner | Ypsilanti, MI | 2006 |
| Shawna O'Reilly, D.O. | 1841581956 | Hospice and Palliative Medicine (Internal Medicine) Physician | Barrington, IL | 2011 |
| Skye O'Reilly, MD | 1245970029 | Student in an Organized Health Care Education/Training Program | Binghamton, NY | 2022 |
| Spencer O'Reilly, CRNA | 1699632182 | Certified Registered Nurse Anesthetist | Rochester, MN | 2026 |
| Stephanie O'Reilly, MSPT | 1578643094 | Physical Therapist | Cherry Hill, NJ | 2006 |
| Tara O'Reilly | 1699325019 | Marriage & Family Therapist | Daly City, CA | 2019 |
| Tarrin O'Reilly, NURSE PRACTITIONER | 1417533134 | Family Nurse Practitioner | Mishawaka, IN | 2021 |
| Tedmond O'Reilly, MD | 1851408231 | Family Medicine Physician | Port Washington, WI | 2006 |
| Tenniele O'Reilly, P.T. | 1407024433 | Physical Therapist | Appleton, WI | 2008 |
| Terry O'Reilly, M.D. | 1356539787 | Family Medicine Physician | Mesa, AZ | 2007 |
| Tess O'Reilly | 1033863881 | Mental Health Counselor | Bellingham, WA | 2022 |
| Theresa O'Reilly, CCC-SLP | 1659987618 | Speech-Language Pathologist | Riverview, MI | 2020 |
| Thomas O'Reilly | 1013132141 | Psychiatry Physician | Cherry Hill, NJ | 2007 |
| Thomas O'Reilly, PHARM.D. | 1053624825 | Pharmacist | Wake Forest, NC | 2010 |
| Thomas O'Reilly, D.C. | 1275665028 | Chiropractor | Blackduck, MN | 2007 |
| Thomas O'Reilly | 1295466233 | Optician | Fort Mill, SC | 2022 |
| Thomas O'Reilly, D.C. | 1306070313 | Chiropractor | Kansas City, MO | 2009 |
| Thomas O'Reilly, PCC | 1760573919 | Counselor | Akron, OH | 2006 |
| Tina O'Reilly, LMHC | 1649913740 | Mental Health Counselor | Tampa, FL | 2022 |
| Tracey O'Reilly | 1902241334 | Social Worker | Lake Grove, NY | 2013 |
| Tyler O'Reilly, BA, MA (FALL 2025) | 1871477919 | Student in an Organized Health Care Education/Training Program | Santa Fe Springs, CA | 2025 |
| Valerie O'Reilly, PT | 1043593080 | Physical Therapist | Syracuse, NY | 2011 |
| Valerie O'Reilly, M.A., BCBA, LABA | 1356715775 | Behavior Analyst | Randolph, MA | 2015 |
| Virginia O'Reilly, OTR/L | 1174965453 | Occupational Therapist | St Petersburg, FL | 2013 |
| Wilhelmina O'Reilly, D.D.S. | 1609974757 | Pediatric Dentistry | Jackson, MS | 2006 |
| William O'Reilly, M.D. | 1437124625 | Hematology & Oncology Physician | Palos Heights, IL | 2006 |
| Kelly O'Reilly Alber, ARNP, FNP-BC | 1114350840 | Family Nurse Practitioner | Monticello, IA | 2013 |
| Daphne O'Reilly Flores, MD | 1669769758 | Internal Medicine Physician | Tampa, FL | 2011 |
| Maureen O'Reilly Landry, PH.D. | 1972541746 | Clinical Psychologist | Far Rockaway, NY | 2006 |
| Enmanuel O'Reilly Olivares, M.D. | 1316279458 | Hospitalist Physician | Miami, FL | 2010 |
| Laura O'Reilly Romanelli | 1609188457 | Mental Health Counselor | Sandwich, MA | 2010 |
| Annya O'Reilly Sarmineto | 1629650759 | Behavior Technician | Miami, FL | 2021 |
| Karlie O'Reilly Tronolone | 1578947859 | Athletic Trainer | State College, PA | 2015 |
| Gesha O'Reilly-Bourne, REGISTERED NURSE | 1629863394 | Registered Nurse | Brooklyn, NY | 2025 |
| Doris O'Reilly-Dillon, NP-C | 1699052399 | Primary Care Nurse Practitioner | Independence, OH | 2011 |
| Ann Marie O'Reilly-Gindhart, PH.D | 1699075507 | Professional Counselor | Havertown, PA | 2010 |
| Christopher O'Reilly-Green, M.D | 1326131541 | Maternal & Fetal Medicine Physician | Modesto, CA | 2006 |
| Meghan O'Reilly-Green | 1568843431 | Behavior Analyst | Lanham, MD | 2015 |
| Sarah O'Reilly-Harbidge, MD | 1750838652 | Pediatric Orthopaedic Surgery Physician | Portland, OR | 2016 |
| Helen O'Reilly-Moran, PH.D. | 1205327483 | Counseling Psychologist | Denver, CO | 2018 |
| Patricia O'Reilly-Onofrio, LICSW | 1508899881 | Clinical Social Worker | Providence, RI | 2006 |
| Patricia O'Reilly-Philippen, OTR/L | 1629259171 | Pediatric Occupational Therapist | Harrisburg, PA | 2007 |
| Vikas O'Reilly-Shah, MD | 1346447836 | Pediatric Anesthesiology Physician | Seattle, WA | 2007 |
| Laura O'Reilly-Stanzilis, R.N. | 1295388056 | Case Management Registered Nurse | Mount Arlington, NJ | 2019 |
| Lawrence O'Renick, LPC | 1710071659 | Professional Counselor | Blue Springs, MO | 2006 |
| Lola Winn O'Renick, PH.D. | 1699768846 | Clinical Psychologist | Blue Springs, MO | 2005 |
| Carey O'Rielly, D.D.S. | 1821394933 | General Practice Dentistry | Encinitas, CA | 2011 |
| Christopher O'Rielly | 1407495518 | Student in an Organized Health Care Education/Training Program | Lafayette, CO | 2020 |
| Madison O'Rielly | 1245922632 | Marriage & Family Therapist | San Mateo, CA | 2023 |
| Alyssa O'Riley, MA, BCBA | 1619606803 | Behavior Analyst | Eustis, FL | 2022 |
| Amy O'Riley, SOCIAL WORKER | 1518843523 | Social Worker | Malone, NY | 2025 |
| Christine O'Riley, PSY.D. | 1770728180 | Clinical Psychologist | Minot, ND | 2008 |
| Colleen O'Riley, P.T. | 1548216526 | Physical Therapist | West Lake Hills, TX | 2006 |
| Curran O'Riley | 1972465151 | Speech-Language Pathologist | Florissant, MO | 2025 |
| Erin O'Riley, LSW | 1710467550 | Social Worker | Columbus, OH | 2018 |
| Jessica O'Riley | 1164017497 | Behavior Analyst | Ontario, CA | 2021 |
| Jessica O'Riley, PLPC | 1861112872 | Professional Counselor | Kansas City, MO | 2022 |
| Kendra O'Riley | 1275994691 | Speech-Language Pathologist | Maryville, MO | 2016 |
| Kimberly O'Riley, CNP | 1164469649 | Nurse Practitioner | Gilbert, AZ | 2006 |
| Racquel O'Riley, DNP, APRN, PMHNP-BC | 1871860072 | Psychiatric/Mental Health Nurse Practitioner | Franklin, TN | 2011 |
| Shane O'Riley, R.PH | 1275901829 | Pharmacist | Fort Smith, AR | 2015 |
| Tammy O'Riley, FNP-C | 1235413436 | Nurse Practitioner | San Diego, CA | 2011 |
| Bailey O'Rilley | 1578162608 | Counselor | Naperville, IL | 2020 |
| Andrea O'Riordan | 1861325425 | Obstetrics & Gynecology Physician | Saint Louis, MO | 2026 |
| Bridget O'Riordan | 1205381753 | Speech-Language Pathologist | Worthington, OH | 2016 |
| Claire O'Riordan | 1235011131 | Speech-Language Pathologist | New York, NY | 2025 |
| Declan O'Riordan, MD | 1609948579 | Internal Medicine Physician | Binghamton, NY | 2006 |
| Declan O'Riordan, MD | 1629016043 | Neonatal-Perinatal Medicine Physician | Boise, ID | 2006 |
| Denise O'Riordan, M.D. | 1265709737 | Pediatrics Physician | Danville, CA | 2011 |
| Elisa O'Riordan, MA, RD | 1821936808 | Registered Dietitian | Ann Arbor, MI | 2026 |
| Elizabeth O'Riordan, P.T | 1508924101 | Pediatric Physical Therapist | Chicago, IL | 2006 |
| Hailey O'Riordan | 1790650422 | Behavior Technician | Prosper, TX | 2025 |
| Hugh O'Riordan | 1740966506 | Physician Assistant | Syracuse, NY | 2023 |
| Isobel O'Riordan, MD | 1487326328 | Pediatric Otolaryngology Physician | Boston, MA | 2021 |
| Julia O'Riordan | 1144103052 | Community Health Worker | Greeley, CO | 2025 |
| Kenneth O'Riordan | 1891583357 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2025 |
| Liam O'Riordan, DO | 1235626979 | Emergency Medicine Physician | Syracuse, NY | 2018 |
| Martin O'Riordan, MD | 1528063385 | Cardiovascular Disease Physician | Darby, PA | 2005 |
| Michael O'Riordan, D.D.S.,M.S. | 1689637324 | Pediatric Dentistry | Warren, MI | 2006 |
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).