Providers Patrick O'Conner, PHD to Cassandra O'Connor, FNP-BC
300 individual NPIs in the federal registry, part 16,015 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. 93 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Patrick O'Conner, PHD | 1326147208 | Clinical Psychologist | Waterloo, IA | 2006 |
| Patrick O'Conner | 1831052133 | Mental Health Counselor | Cincinnati, OH | 2025 |
| Paula O'Conner, LISW | 1114195054 | Counselor | Albuquerque, NM | 2008 |
| Rachael O'Conner | 1659017366 | Mental Health Counselor | Ketchikan, AK | 2022 |
| Rachell O'Conner | 1215825872 | Adult Companion | Mc Cook, NE | 2025 |
| Rose O'Conner | 1538717764 | Attendant Care Provider | Fayetteville, NC | 2019 |
| Shannon O'Conner, FNP | 1902190416 | Family Nurse Practitioner | Hendersonville, NC | 2011 |
| Theresa O'Conner | 1598091035 | Registered Dietitian | Deland, FL | 2009 |
| Tressa O'Conner | 1609731538 | Behavior Technician | Midvale, UT | 2025 |
| William O'Conner, DDS | 1174624514 | General Practice Dentistry | Cincinnati, OH | 2006 |
| William O'Conner | 1851904858 | Behavior Technician | Fairfax, VA | 2020 |
| Amy O'Conner Schroeder | 1083234454 | Pharmacist | Grinnell, IA | 2020 |
| Kristin O'Conner Sherrets, MA, LMHC | 1366677130 | Mental Health Counselor | Independence, IA | 2009 |
| Kathleen O'Conner-Eicke, CRNA | 1598853251 | Certified Registered Nurse Anesthetist | Bryn Mawr, PA | 2006 |
| Shannon O'Connnor, LPN | 1770287617 | Licensed Practical Nurse | Topeka, KS | 2023 |
| Abaigeal O'Connor | 1336952878 | Personal Care Attendant | Alliance, NE | 2025 |
| Abbey O'Connor, LCSW | 1861580268 | Clinical Social Worker | Auburn, ME | 2006 |
| Abby O'Connor, PA | 1164931309 | Physician Assistant | Chesapeake, VA | 2017 |
| Abigail O'Connor, LPC | 1447965215 | Mental Health Counselor | Westerville, OH | 2023 |
| Abigail O'Connor | 1669201703 | Physical Therapist | Whitefish, MT | 2024 |
| Abigale O'Connor | 1073405718 | Audiologist | Murray, KY | 2025 |
| Ada O'Connor, RPH | 1609159805 | Pharmacist | Wilmington, DE | 2011 |
| Adam O'Connor | 1306552369 | Behavior Technician | Lake Mary, FL | 2023 |
| Adam O'Connor, MD | 1588124622 | Emergency Medicine Physician | Charlottesville, VA | 2019 |
| Adriana O'Connor, R.D.H. | 1497133730 | Dental Hygienist | Denver, CO | 2015 |
| Adrienne O'Connor | 1659200053 | Doula | Feeding Hills, MA | 2026 |
| Aidan O'Connor | 1780177790 | Physician Assistant | Decatur, GA | 2018 |
| Aimee O'Connor, RN | 1386030641 | Registered Nurse | Indianapolis, IN | 2015 |
| Aimee O'Connor, LCSW | 1508064650 | Clinical Social Worker | Augusta, ME | 2007 |
| Aislinn O'Connor, LPC | 1215727078 | Counselor | Portland, OR | 2025 |
| Aislinn O'Connor | 1962966911 | Student in an Organized Health Care Education/Training Program | New London, NH | 2019 |
| Akiva O'Connor | 1639932171 | Marriage & Family Therapist | Beaverton, OR | 2024 |
| Alana O'Connor | 1063938660 | Acute Care Nurse Practitioner | Greenville, NC | 2017 |
| Alana O'Connor | 1982732988 | Social Worker | Fort Lauderdale, FL | 2007 |
| Alane O'Connor, DNP | 1679540546 | Family Nurse Practitioner | Portland, ME | 2006 |
| Alda O'Connor, FNP | 1265603294 | Family Nurse Practitioner | Santa Ana, CA | 2008 |
| Aleasha O'Connor | 1194311886 | Behavior Technician | Farmington Hills, MI | 2020 |
| Alena O'Connor, LMSW | 1881436889 | Social Worker | Rego Park, NY | 2024 |
| Alexander O'Connor, DDS | 1669221503 | General Practice Dentistry | Overland Park, KS | 2024 |
| Alexander O'Connor, MD | 1871297739 | Neurology Physician | Salt Lake City, UT | 2023 |
| Alexandra O'Connor, CADC-I | 1013880012 | Addiction (Substance Use Disorder) Counselor | Reno, NV | 2025 |
| Alexandra O'Connor, MSW | 1346087947 | Social Worker | Jacksonville, FL | 2024 |
| Alexandra O'Connor | 1346841913 | Behavior Technician | Farmington Hills, MI | 2020 |
| Alexandria O'Connor, LMFT | 1194692400 | Marriage & Family Therapist | New York, NY | 2025 |
| Alexandria O'Connor, MS, RDN, CSO | 1689495129 | Registered Dietitian | Kenosha, WI | 2024 |
| Alexis O'Connor | 1144064031 | Behavior Technician | Omaha, NE | 2024 |
| Alexis O'Connor | 1922640200 | Behavior Analyst | Irvine, CA | 2019 |
| Alice O'Connor | 1225802036 | Physical Therapist | Wellesley, MA | 2023 |
| Alice O'Connor | 1386599611 | Marriage & Family Therapist | San Luis Obispo, CA | 2026 |
| Alicia O'Connor | 1083327118 | Behavior Technician | Southfield, MI | 2023 |
| Alicia O'Connor, LCSW | 1134778780 | Clinical Social Worker | Springfield, NJ | 2019 |
| Alicia O'Connor, NP | 1578191706 | Acute Care Nurse Practitioner | Richmond, VA | 2020 |
| Alicia O'Connor, PHARMD | 1841964343 | Pharmacist | San Diego, CA | 2021 |
| Alisa O'Connor | 1770103558 | Case Manager/Care Coordinator | Portland, OR | 2020 |
| Alison O'Connor, PT, DPT | 1033757984 | Physical Therapist | Armonk, NY | 2019 |
| Alison O'Connor, ARNP | 1194770263 | Nurse Practitioner | Wells River, VT | 2006 |
| Alison O'Connor, PSYD, BCBA | 1366736233 | Clinical Psychologist | Lakewood, NJ | 2011 |
| Alison O'Connor, PROSTHETICS | 1801598503 | Prosthetist | Poestenkill, NY | 2023 |
| Allison O'Connor | 1104549781 | Physical Therapist | Cary, NC | 2022 |
| Allison O'Connor, PT | 1295804797 | Physical Therapist | Gurnee, IL | 2006 |
| Allison O'Connor, MS, OTR/L | 1336648336 | Occupational Therapist | Boston, MA | 2018 |
| Allison O'Connor | 1659930832 | Mental Health Counselor | Concord, MA | 2019 |
| Allysa O'Connor, BCBA | 1265235675 | Behavior Analyst | East Brunswick, NJ | 2025 |
| Allyson O'Connor | 1245962885 | Behavior Technician | Stuart, FL | 2022 |
| Allyson O'Connor, LPCA | 1851129373 | Mental Health Counselor | Tygh Valley, OR | 2024 |
| Allyson O'Connor | 1942034095 | Behavior Technician | Coon Rapids, MN | 2024 |
| Alyson O'Connor, PA-C | 1053855239 | Surgical Physician Assistant | San Diego, CA | 2016 |
| Alyson O'Connor, DPT | 1124492061 | Physical Therapist | Fountain Valley, CA | 2015 |
| Alyson O'Connor, BCBA | 1750618625 | Behavior Analyst | Oviedo, FL | 2009 |
| Alyssa O'Connor | 1174483465 | Personal Care Attendant | Grand Rapids, MI | 2025 |
| Alyssa O'Connor, APNP | 1245588284 | Nurse Practitioner | Milwaukee, WI | 2012 |
| Alyssa O'Connor, DC | 1578194916 | Chiropractor | Spring Hill, KS | 2020 |
| Alyssa O'Connor | 1669860144 | Specialist | McPherson, KS | 2015 |
| Amanda O'Connor, CPNP-PC | 1063899441 | Pediatric Nurse Practitioner | Saint Louis, MO | 2015 |
| Amanda O'Connor | 1083071740 | Nurse's Aide | Bremerton, WA | 2016 |
| Amanda O'Connor, OTR/L, OTD | 1215641725 | Occupational Therapist | Wilton, CT | 2023 |
| Amanda O'Connor, APRN | 1285425991 | Gerontology Nurse Practitioner | Stuart, FL | 2025 |
| Amanda O'Connor, CAT | 1316800972 | Addiction (Substance Use Disorder) Counselor | Cortez, CO | 2025 |
| Amanda O'Connor | 1538351564 | Occupational Therapist | Pittsburgh, PA | 2007 |
| Amanda O'Connor, LMT | 1730328246 | Specialist | Falmouth, ME | 2009 |
| Amanda O'Connor, MA | 1821667171 | Behavior Technician | Shakopee, MN | 2021 |
| Amber O'Connor | 1023646114 | Student in an Organized Health Care Education/Training Program | Santa Clara, CA | 2020 |
| Amber O'Connor, FNP-C | 1063078145 | Family Nurse Practitioner | Port Charlotte, FL | 2019 |
| Amber O'Connor, DDS | 1699188896 | General Practice Dentistry | Dallas, TX | 2014 |
| Amelia O'Connor | 1063013282 | Speech-Language Pathologist | Plymouth, MI | 2020 |
| Amelia O'Connor | 1740835354 | Counselor | Buffalo, NY | 2019 |
| Amy O'Connor, CD | 1184012031 | Doula | Nashua, NH | 2014 |
| Amy O'Connor, LCSW | 1184616377 | Specialist | Bethesda, MD | 2005 |
| Amy O'Connor, LMSW | 1194184416 | Social Worker | Malverne, NY | 2016 |
| Amy O'Connor, LCSW | 1225307259 | Clinical Social Worker | McKinleyville, CA | 2011 |
| Amy O'Connor, M.A. | 1225466923 | Audiologist | Cincinnati, OH | 2013 |
| Amy O'Connor | 1356581755 | Speech-Language Pathologist | Campbell Hall, NY | 2009 |
| Amy O'Connor, MS, OTR/L | 1639486681 | Occupational Therapist | Pembroke, MA | 2010 |
| Amy O'Connor, RN, BSN, PMH-BC | 1679464069 | Psychiatric/Mental Health Registered Nurse | Howards Grove, WI | 2025 |
| Amy O'Connor, CSFA | 1679493167 | Surgical Assistant | Leesburg, VA | 2026 |
| Amy O'Connor, D.C. | 1679774814 | Chiropractor | Hudson, NH | 2007 |
| Amy O'Connor, D.O., MSCI | 1932425188 | Pediatric Cardiology Physician | Chicago, IL | 2010 |
| Andrea O'Connor, PT | 1093092918 | Physical Therapist | Eden, NY | 2011 |
| Andrea O'Connor, CRNP | 1699235416 | Family Nurse Practitioner | Towson, MD | 2019 |
| Andrea O'Connor, PT | 1851597637 | Physical Therapist | Albuquerque, NM | 2007 |
| Andrea O'Connor, MS.SPEDU/ASL | 1932460011 | Specialist | Lockport, NY | 2012 |
| Andrew O'Connor, MD | 1245297803 | Emergency Medicine Physician | New Brunswick, NJ | 2006 |
| Andrew O'Connor | 1588353692 | Behavior Technician | Union, NJ | 2023 |
| Andrew O'Connor, DO | 1679581326 | Nephrology Physician | Monroe, NC | 2006 |
| Angelica O'Connor, LCSW | 1538735154 | Clinical Social Worker | Indianapolis, IN | 2021 |
| Ann O'Connor, PA C | 1033170964 | Medical Physician Assistant | Missoula, MT | 2006 |
| Ann O'Connor, SLP | 1033269360 | Speech-Language Pathologist | Knoxville, TN | 2007 |
| Ann O'Connor, RN, CNP | 1447862925 | Family Nurse Practitioner | Leominster, MA | 2020 |
| Ann O'Connor, SLP | 1578597159 | Speech-Language Pathologist | Tuba City, AZ | 2006 |
| Ann O'Connor, NP | 1770691222 | Women's Health Nurse Practitioner | Oakland, CA | 2006 |
| Ann O'Connor | 1790391951 | Specialist | Edmonds, WA | 2020 |
| Ann O'Connor, RN | 1821296583 | Pediatric Registered Nurse | Cortlandt Manor, NY | 2007 |
| Ann-Marie O'Connor, DMD, MMSC | 1598827610 | Periodontics | Framingham, MA | 2006 |
| Anna O'Connor, MD | 1053931345 | Allergy & Immunology Physician | Round Rock, TX | 2020 |
| Anna O'Connor, P.T. | 1235175993 | Physical Therapist | Lancaster, PA | 2006 |
| Anna O'Connor | 1316860836 | Massage Therapist | Portland, OR | 2026 |
| Anna O'Connor, MD | 1700337847 | Rheumatology Physician | Monroeville, PA | 2016 |
| Anna O'Connor, LICSW | 1720767296 | Clinical Social Worker | Seattle, WA | 2023 |
| Anna O'Connor, MSW, LCSW | 1932306248 | Clinical Social Worker | Martinez, CA | 2007 |
| Anne O'Connor, MD | 1114774049 | Internal Medicine Physician | Grand Blanc, MI | 2024 |
| Anne O'Connor, APRN, BC | 1174553952 | Adult Health Nurse Practitioner | Valhalla, NY | 2006 |
| Anne O'Connor, MD | 1235459561 | Pediatric Emergency Medicine (Emergency Medicine) Physician | Portland, ME | 2010 |
| Anne O'Connor | 1285908004 | Physical Therapy Assistant | Carmel, IN | 2012 |
| Anne O'Connor, M.S. | 1356624480 | Speech-Language Pathologist | Rochester, NY | 2011 |
| Anne O'Connor | 1376327759 | Physical Therapist | New Port Richey, FL | 2023 |
| Anne O'Connor, M.D. | 1548230931 | Obstetrics & Gynecology Physician | St Johnsbury, VT | 2006 |
| Anne O'Connor | 1609369883 | Behavior Technician | Salt Lake City, UT | 2018 |
| Anne O'Connor | 1871900175 | Specialist | Forest Hills, NY | 2014 |
| Annemarie O'Connor, NP | 1467641613 | Family Nurse Practitioner | Chicago, IL | 2007 |
| Annette O'Connor, SLP | 1194855593 | Speech-Language Pathologist | Albuquerque, NM | 2007 |
| Annmarie O'Connor, PMHNP-BC | 1922819176 | Psychiatric/Mental Health Nurse Practitioner | Edwardsville, IL | 2025 |
| Antoinette O'Connor, LSW | 1912442492 | Clinical Social Worker | Toledo, OH | 2016 |
| Anya O'Connor, MA, LPCC | 1922932110 | Professional Counselor | Golden Valley, MN | 2026 |
| Aparna O'Connor, LCSW-C | 1235650862 | Clinical Social Worker | Bethesda, MD | 2017 |
| April O'Connor, MS | 1346408705 | Genetic Counselor (M.S.) | Allen, TX | 2008 |
| Arlene O'Connor, PSY.D. | 1174659627 | Clinical Psychologist | Mission Viejo, CA | 2007 |
| Arnold O'Connor, PT, DPT | 1033844071 | Physical Therapist | Cary, NC | 2022 |
| Art O'Connor | 1619396496 | Health Educator | Salt Lake City, UT | 2014 |
| Aryana O'Connor, LMT | 1629835616 | Massage Therapist | Keene, NH | 2024 |
| Ashley O'Connor, PNP | 1053744888 | Pediatric Nurse Practitioner | Summit, NJ | 2013 |
| Ashley O'Connor, LMSW | 1215705934 | Social Worker | Milford, CT | 2023 |
| Ashley O'Connor | 1376304345 | Speech-Language Pathologist | Buffalo, NY | 2024 |
| Ashley O'Connor | 1396167797 | Developmental Therapist | Milford, MA | 2014 |
| Ashley O'Connor, PHD | 1619693728 | Clinical Social Worker | Anchorage, AK | 2022 |
| Ashley O'Connor, NURSE PRACTITIONER | 1629578471 | Family Nurse Practitioner | Pittsburgh, PA | 2018 |
| Ashley O'Connor, PA-C | 1649622390 | Physician Assistant | Newtown Square, PA | 2016 |
| Ashley O'Connor, LPC | 1669841334 | Professional Counselor | Monroe, CT | 2015 |
| Ashley O'Connor, PTA | 1811752850 | Physical Therapy Assistant | Cooperstown, NY | 2024 |
| Ashley O'Connor | 1871096453 | Behavior Technician | Campbell, CA | 2018 |
| Ashling O'Connor, MD | 1881851798 | Surgery Physician | Burlington, MA | 2008 |
| Athena O'Connor | 1639912207 | Hearing Instrument Specialist | Saint Petersburg, FL | 2024 |
| Aubrey O'Connor, MSOT, OTR | 1083382105 | Occupational Therapist | Newark, NY | 2021 |
| Aubrey O'Connor, M.D. | 1619243904 | Specialist | Kansas City, MO | 2012 |
| Audrey O'Connor, DO | 1063932440 | Internal Medicine Physician | Lansing, MI | 2017 |
| Audrey O'Connor, PHD | 1235795741 | Clinical Psychologist | Boston, MA | 2019 |
| Aurora O'Connor, LSW | 1780577569 | Social Worker | Grand Junction, CO | 2025 |
| Austin O'Connor | 1134905912 | Counselor | Hayward, CA | 2023 |
| Ayrn O'Connor, M.D. | 1194785063 | Emergency Medicine Physician | Phoenix, AZ | 2006 |
| Bailey O'Connor, MD | 1639939911 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2024 |
| Barbara O'Connor, LMSW | 1013121698 | Clinical Social Worker | Jackson, MI | 2007 |
| Barbara O'Connor, P.T. | 1316175045 | Physical Therapist | Woodbury, CT | 2009 |
| Barbara O'Connor, ARNP, NP-C | 1366618258 | Nurse Practitioner | Fort Dodge, IA | 2008 |
| Barbara O'Connor, P.T. | 1427141266 | Physical Therapist | Bedford, MA | 2006 |
| Barbara O'Connor | 1720226251 | Mental Health Counselor | Pittsburgh, PA | 2009 |
| Barbara O'Connor, LCSW, CEAP | 1891953675 | Clinical Social Worker | Babylon, NY | 2008 |
| Barry O'Connor, D.C. | 1013105832 | Chiropractor | La Mirada, CA | 2007 |
| Baylea O'Connor, M.F.T. | 1922397355 | Marriage & Family Therapist | San Diego, CA | 2011 |
| Belinda O'Connor | 1154502086 | Mental Health Counselor | Jamestown, NY | 2007 |
| Beth O'Connor, D.D.S. | 1982615951 | Dentist | Tacoma, WA | 2006 |
| Bethany O'Connor, M.D. | 1558517284 | Physical Medicine & Rehabilitation Physician | Newport Beach, CA | 2008 |
| Beverly O'Connor, PH.D. | 1730301474 | Clinical Neuropsychologist | Ogden, UT | 2007 |
| Billie O'Connor, BCABA | 1730344649 | Assistant Behavior Analyst | Orlando, FL | 2008 |
| Blake O'Connor, PHARMD | 1013880749 | Pharmacist | Madison, WI | 2025 |
| Blake O'Connor, MD | 1467958587 | Surgery Physician | Cincinnati, OH | 2018 |
| Blake O'Connor, D.C. | 1649369612 | Chiropractor | Temecula, CA | 2006 |
| Bobbie O'Connor, LMHC | 1699518811 | Mental Health Counselor | Jacksonville, FL | 2024 |
| Bonnie O'Connor, DNP, CRNP | 1316665417 | Acute Care Nurse Practitioner | Pittsburgh, PA | 2022 |
| Braden O'Connor | 1518733203 | Massage Therapist | Blanchard, OK | 2023 |
| Brady O'Connor, APNP | 1821012220 | Family Nurse Practitioner | Greenfield, WI | 2006 |
| Brandi O'Connor, P.A.C | 1861748386 | Physician Assistant | Saint Cloud, MN | 2012 |
| Brandon O'Connor, MD | 1053007617 | Student in an Organized Health Care Education/Training Program | Minneapolis, MN | 2023 |
| Brandon O'Connor | 1841044476 | Student in an Organized Health Care Education/Training Program | Olympia Fields, IL | 2024 |
| Brandon O'Connor, LCSW | 1841797271 | Clinical Social Worker | Chicago, IL | 2018 |
| Bren O'Connor, D.D.S | 1326429382 | General Practice Dentistry | Iowa City, IA | 2015 |
| Brenda O'Connor | 1407321383 | Case Manager/Care Coordinator | Vancouver, WA | 2018 |
| Brenda O'Connor, MA | 1568842474 | Mental Health Counselor | Holland, MA | 2015 |
| Brendan O'Connor, MD | 1073802187 | Family Medicine Physician | Rochester, NY | 2011 |
| Brendan O'Connor, MD | 1114231925 | Psychiatry Physician | Saint Louis, MO | 2010 |
| Brendan O'Connor, DC | 1154538700 | Chiropractor | Phoenix, AZ | 2007 |
| Brendan O'Connor, LPC | 1164008819 | Professional Counselor | Chesapeake, VA | 2021 |
| Brendan O'Connor, M.D. | 1245467257 | Diagnostic Radiology Physician | Portsmouth, VA | 2009 |
| Brendan O'Connor, PSYD | 1457873358 | Clinical Psychologist | Avon, CT | 2017 |
| Brendan O'Connor, DDS MD | 1497837181 | Oral and Maxillofacial Surgery (Dentist) | Fresh Meadows, NY | 2006 |
| Brendan O'Connor, CRNA | 1598200321 | Certified Registered Nurse Anesthetist | Charlotte, NC | 2017 |
| Brendan O'Connor, PT | 1760674568 | Specialist | Lenexa, KS | 2007 |
| Brenna O'Connor | 1063338747 | Behavior Technician | Owings Mills, MD | 2026 |
| Brennan O'Connor, DPT | 1649122789 | Physical Therapist | Overland Park, KS | 2026 |
| Brennon O'Connor | 1063183937 | Counselor | Sitka, AK | 2021 |
| Brent O'Connor, M.D. | 1063759637 | Anesthesiology Physician | Wilmette, IL | 2013 |
| Breona O'Connor | 1912871385 | Behavior Technician | Greenwood, IN | 2025 |
| Brett O'Connor, FNP | 1518243716 | Nurse Practitioner | Florence, OR | 2011 |
| Brett O'Connor, O.D. | 1801242128 | Optometrist | Jacksonville, FL | 2016 |
| Brett O'Connor | 1861035420 | Nurse's Aide | Denver, CO | 2019 |
| Brian O'Connor | 1023828282 | Behavior Analyst | New York, NY | 2025 |
| Brian O'Connor, MD | 1174515050 | Medical Oncology Physician | Frederick, MD | 2005 |
| Brian O'Connor, CRNP | 1245014554 | Family Nurse Practitioner | Pittsburgh, PA | 2023 |
| Brian O'Connor, MA, ATC, LAT | 1255861092 | Athletic Trainer | Fort Smith, AR | 2017 |
| Brian O'Connor, M.D. | 1275647216 | Pediatric Cardiology Physician | West Orange, NJ | 2006 |
| Brian O'Connor, MD | 1366487928 | Contractor | Chandler, AZ | 2006 |
| Brian O'Connor, MD | 1447314240 | Internal Medicine Physician | Honolulu, HI | 2006 |
| Brian O'Connor, M.D., MPH | 1487087615 | Internal Medicine Physician | Walnut Creek, CA | 2013 |
| Brian O'Connor, MD | 1578203451 | Internal Medicine Physician | Columbus, OH | 2022 |
| Brian O'Connor | 1588228290 | Addiction (Substance Use Disorder) Counselor | Malta, OH | 2019 |
| Brian O'Connor, PA-C | 1710092861 | Physician Assistant | Gastonia, NC | 2006 |
| Brian O'Connor, MA | 1760549828 | Mental Health Counselor | Gig Harbor, WA | 2007 |
| Briana O'Connor | 1881070597 | Mental Health Counselor | Astoria, OR | 2015 |
| Brianna O'Connor | 1023934932 | Behavior Technician | Daly City, CA | 2026 |
| Brianna O'Connor, COTA | 1386480598 | Occupational Therapy Assistant | Fishkill, NY | 2024 |
| Brianna O'Connor, LCSW-C | 1720595093 | Clinical Social Worker | Baltimore, MD | 2018 |
| Brianna O'Connor, DPT | 1780473603 | Physical Therapist | Charlotte, NC | 2025 |
| Brianna O'Connor, PA | 1841905049 | Physician Assistant | Northglenn, CO | 2023 |
| Brianne O'Connor, MD | 1346266053 | Pediatrics Physician | Brooklyn, NY | 2006 |
| Brianne O'Connor, DPT | 1861844805 | Physical Therapist | Hackensack, NJ | 2016 |
| Bridget O'Connor | 1083435200 | Occupational Therapist | Mokena, IL | 2024 |
| Bridget O'Connor | 1194172015 | Registered Nurse | Medford, OR | 2016 |
| Bridget O'Connor, LMSW | 1285229641 | Clinical Social Worker | North Babylon, NY | 2021 |
| Bridget O'Connor | 1396464442 | Genetic Counselor (M.S.) | Ann Arbor, MI | 2022 |
| Bridget O'Connor, MS | 1467086140 | Addiction (Substance Use Disorder) Counselor | Boston, MA | 2020 |
| Bridget O'Connor | 1538812953 | Behavior Technician | Farmington Hills, MI | 2022 |
| Bridget O'Connor, MSW, LICSW | 1942906433 | Clinical Social Worker | Richfield, MN | 2023 |
| Brigid O'Connor | 1124585385 | Doula | Buffalo, NY | 2019 |
| Brigid O'Connor, RN BSN | 1144617093 | Registered Nurse | Haines, AK | 2015 |
| Brigid O'Connor, M.D. | 1790985265 | Radiation Oncology Physician | Providence, RI | 2007 |
| Britain O'Connor, MD | 1609281765 | Family Medicine Physician | Pulaski, WI | 2014 |
| Brittany O'Connor, MS, CCC-SLP | 1194362541 | Speech-Language Pathologist | Boise, ID | 2019 |
| Brittany O'Connor | 1275931933 | Occupational Therapist | Whittier, CA | 2014 |
| Brittany O'Connor | 1598357725 | Counselor | Grass Valley, CA | 2021 |
| Brittany O'Connor, MA | 1982937751 | Student in an Organized Health Care Education/Training Program | Westerville, OH | 2009 |
| Brooke O'Connor | 1265097356 | Physician Assistant | West Islip, NY | 2019 |
| Brooke O'Connor, APRN | 1770082976 | Family Nurse Practitioner | Peterborough, NH | 2018 |
| Bryan O'Connor, PT, DPT | 1376944090 | Physical Therapist | Aurora, IL | 2014 |
| Bryan O'Connor, RPH | 1548476963 | Pharmacist | York, ME | 2007 |
| Caiden O'Connor | 1518712595 | Behavior Technician | Stockton, CA | 2024 |
| Cailin O'Connor, LMT | 1225329097 | Massage Therapist | South Portland, ME | 2011 |
| Caily O'Connor, LRT/CTRS | 1235647595 | Recreation Therapist | Gainesville, FL | 2018 |
| Caitlin O'Connor, CRNA | 1023407475 | Certified Registered Nurse Anesthetist | Round Rock, TX | 2015 |
| Caitlin O'Connor, LISW | 1093685844 | Clinical Social Worker | Cleveland Heights, OH | 2025 |
| Caitlin O'Connor, MS, LAT, ATC | 1164964359 | Athletic Trainer | Garner, NC | 2016 |
| Caitlin O'Connor | 1194617316 | Physical Therapist | Germantown, WI | 2025 |
| Caitlin O'Connor, MD, MPH | 1215631726 | Student in an Organized Health Care Education/Training Program | Dallas, TX | 2023 |
| Caitlin O'Connor, ND | 1255581096 | Naturopath | Denver, CO | 2008 |
| Caitlin O'Connor | 1265838734 | Physical Therapist | Indianapolis, IN | 2014 |
| Caitlin O'Connor, CRNA | 1295374379 | Certified Registered Nurse Anesthetist | Greeley, CO | 2020 |
| Caitlin O'Connor, MS, CCC-SLP | 1629618673 | Speech-Language Pathologist | Chicago, IL | 2020 |
| Caleb O'Connor, RBT | 1548036718 | Behavior Technician | Miamisburg, OH | 2023 |
| Cali O'Connor, LCSW | 1760170237 | Clinical Social Worker | Indianapolis, IN | 2023 |
| Calli O'Connor | 1992167944 | Occupational Therapy Assistant | Canton, MS | 2016 |
| Callie O'Connor | 1104619311 | Critical Care Medicine Registered Nurse | Cleveland, OH | 2025 |
| Callie O'Connor, MS | 1881413284 | Counselor | Glendale, AZ | 2024 |
| Cameron O'Connor, MD | 1730974668 | Student in an Organized Health Care Education/Training Program | Waterbury, CT | 2025 |
| Cameron O'Connor, LCSW | 1972275816 | Clinical Social Worker | Stamford, CT | 2021 |
| Candice O'Connor, LCSW | 1255495099 | Clinical Social Worker | Brooklyn, NY | 2006 |
| Candyce O'Connor, SLP | 1104224468 | Speech-Language Pathologist | Springfield, OH | 2014 |
| Caoilfhionn O'Connor, DNP | 1184386864 | Nurse Practitioner | La Jolla, CA | 2021 |
| Cara O'Connor, MD | 1043522436 | Pediatrics Physician | Concord, NH | 2010 |
| Cara O'Connor, FNP | 1407371453 | Family Nurse Practitioner | Coventry, RI | 2017 |
| Cari O'Connor, LCSW | 1700196565 | Clinical Social Worker | Salem, OR | 2010 |
| Carla O'Connor, OTR/L | 1093028383 | Pediatric Occupational Therapist | Albany, NY | 2010 |
| Carla O'Connor, LCSW | 1518993344 | Clinical Social Worker | Kansas City, MO | 2006 |
| Carlene O'Connor | 1538880984 | Behavior Technician | Mankato, MN | 2022 |
| Carlie O'Connor | 1306685383 | Physical Therapist | Boone, NC | 2024 |
| Carly O'Connor, OTR/L | 1326528571 | Occupational Therapist | Fort Myers, FL | 2018 |
| Carly O'Connor | 1508729195 | Mental Health Counselor | Gloversville, NY | 2025 |
| Carol O'Connor, PH.D. | 1043340847 | Clinical Psychologist | Glenview, IL | 2007 |
| Carol O'Connor | 1194177147 | Clinical Social Worker | New York, NY | 2016 |
| Carol O'Connor, CNM | 1326043746 | Midwife | Columbus, OH | 2005 |
| Carol O'Connor | 1588053318 | Occupational Therapist | Collinsville, CT | 2015 |
| Carol O'Connor, LCSW | 1700067170 | School Social Worker | Hartford, CT | 2007 |
| Carol O'Connor, LICSW | 1891279113 | Social Worker | Attleboro, MA | 2018 |
| Caroline O'Connor, RD, LD | 1063006898 | Registered Dietitian | Tampa, FL | 2021 |
| Caroline O'Connor, M.A. | 1245517119 | Mental Health Counselor | Burlington, VT | 2011 |
| Caroline O'Connor | 1275984312 | Clinical Social Worker | Saint Charles, MO | 2016 |
| Caroline O'Connor | 1487597746 | Student in an Organized Health Care Education/Training Program | San Francisco, CA | 2026 |
| Caroline O'Connor | 1851250773 | School Counselor | San Marcos, CA | 2026 |
| Carolyn O'Connor, M.A., CCC-SLP | 1033647441 | Speech-Language Pathologist | Winston Salem, NC | 2017 |
| Carolyn O'Connor | 1053959049 | Occupational Therapist | Lawrence, MA | 2019 |
| Carolyn O'Connor, MD | 1093703407 | Anatomic Pathology & Clinical Pathology Physician | Newport News, VA | 2005 |
| Carolyn O'Connor, MD | 1457419491 | Internal Medicine Physician | Blue Bell, PA | 2006 |
| Carolyn O'Connor, MD | 1659310811 | Rheumatology Physician | Uniontown, OH | 2006 |
| Carolyn O'Connor, LCSW | 1689176778 | Social Worker | Needham, MA | 2018 |
| Carolyn O'Connor, MD | 1851328413 | Internal Medicine Physician | Southbury, CT | 2006 |
| Carolyn O'Connor, PA-C | 1881929313 | Medical Physician Assistant | Naperville, IL | 2009 |
| Carrie O'Connor, BSW | 1639261241 | Social Worker | Ionia, MI | 2006 |
| Carrie O'Connor, LGSW | 1699217646 | Social Worker | Centreville, MD | 2016 |
| Casey O'Connor | 1316750839 | Student in an Organized Health Care Education/Training Program | Wadsworth, OH | 2025 |
| Casey O'Connor, MD | 1619409562 | Orthopaedic Surgery Physician | Albany, NY | 2017 |
| Cashlin O'Connor, PA | 1477362523 | Physician Assistant | Spartanburg, SC | 2025 |
| Cassandra O'Connor | 1043174311 | Behavior Technician | Rancho Santa Margarita, CA | 2025 |
| Cassandra O'Connor, MD | 1184200289 | Internal Medicine Physician | Roslyn, NY | 2021 |
| Cassandra O'Connor, FNP-BC | 1316719594 | Family Nurse Practitioner | Portland, ME | 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).