Providers Cassandra O'Connor, R.N. to Erin O'Connor, MD
300 individual NPIs in the federal registry, part 16,016 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. 99 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Cassandra O'Connor, R.N. | 1700158607 | Home Health Registered Nurse | Waukesha, WI | 2012 |
| Catherine O'Connor, NURSE PRACTITIONER | 1437662608 | Family Nurse Practitioner | Aiea, HI | 2017 |
| Catherine O'Connor, PT, MS, OCS, NP | 1447339981 | Occupational Health Nurse Practitioner | San Francisco, CA | 2006 |
| Catherine O'Connor, PH.D. | 1467572149 | Specialist | Waltham, MA | 2007 |
| Catherine O'Connor, FNP | 1679514822 | Nurse Practitioner | Charleston, SC | 2006 |
| Catherine O'Connor, R.N. | 1891242517 | Registered Nurse | Salinas, CA | 2016 |
| Catherine O'Connor, MS,CCC-SLP | 1902041098 | Speech-Language Pathologist | Syracuse, NY | 2008 |
| Catherine O'Connor, AU.D | 1932574415 | Audiologist | New Hyde Park, NY | 2015 |
| Catherine O'Connor, DNP,PMHNP-BC, FNP-BC | 1942526785 | Family Nurse Practitioner | Arlington, TX | 2010 |
| Cecile O'Connor, RN | 1003087222 | Registered Nurse | San Francisco, CA | 2008 |
| Cecilia O'Connor, NP | 1699199000 | Adult Health Nurse Practitioner | Riverview, MI | 2014 |
| Celeste O'Connor, NP | 1740401983 | Adult Health Nurse Practitioner | Neponsit, NY | 2007 |
| Celine O'Connor | 1699322727 | Social Worker | Roxbury, MA | 2019 |
| Chante O'Connor | 1902741788 | Behavior Technician | Winter Park, FL | 2026 |
| Charis O'Connor, DMD | 1447516661 | Orthodontics and Dentofacial Orthopedics Dentistry | Dover, DE | 2012 |
| Charles O'Connor, LPC | 1487923611 | Mental Health Counselor | Marietta, GA | 2011 |
| Charles O'Connor, MD | 1720053523 | Gastroenterology Physician | Knoxville, TN | 2006 |
| Chelsea O'Connor, NP | 1083254197 | Nurse Practitioner | Camillus, NY | 2020 |
| Chelsea O'Connor, PT, DPT | 1689267072 | Physical Therapist | Long Beach, CA | 2021 |
| Chelsey O'Connor | 1164082954 | Counselor | Worcester, MA | 2019 |
| Chelsie O'Connor | 1568803294 | Personal Care Attendant | Marysville, MI | 2013 |
| Cheryl O'Connor, RN | 1528104676 | Registered Nurse | Pottsville, PA | 2007 |
| Cheryl O'Connor, LCSW | 1740939594 | Mental Health Counselor | Sarasota, FL | 2022 |
| Cheryl O'Connor, LPN/IV2 | 1760656953 | Licensed Practical Nurse | Denver, CO | 2008 |
| Chinyere O'Connor, MD | 1780964262 | Pediatric Critical Care Medicine Physician | Houston, TX | 2011 |
| Christie O'Connor, MSPT | 1699426452 | Physical Therapist | Hillsboro, OR | 2022 |
| Christina O'Connor, PA-C | 1033899422 | Physician Assistant | Columbia, SC | 2023 |
| Christina O'Connor, DNP | 1053209718 | Nurse Practitioner | Woburn, MA | 2025 |
| Christina O'Connor, CRNA | 1194227967 | Certified Registered Nurse Anesthetist | Lexington, KY | 2018 |
| Christina O'Connor | 1346026960 | Gerontology Nurse Practitioner | Williamsburg, VA | 2023 |
| Christina O'Connor, OT | 1548464928 | Occupational Therapist | Commack, NY | 2007 |
| Christina O'Connor, DPT | 1568010353 | Physical Therapist | Wellington, FL | 2019 |
| Christina O'Connor, DDS | 1568501757 | General Practice Dentistry | Waukegan, IL | 2007 |
| Christina O'Connor, PHARMD | 1568780716 | Pharmacist | Rochester, MN | 2010 |
| Christina O'Connor, ANP-BC | 1821232950 | Adult Health Nurse Practitioner | New York, NY | 2009 |
| Christina O'Connor, RD | 1952230864 | Registered Dietitian | Portsmouth, VA | 2026 |
| Christine O'Connor, NURSE PRACTITIONER | 1003361551 | Psychiatric/Mental Health Nurse Practitioner | Boston, MA | 2016 |
| Christine O'Connor, MA CCC SLP | 1093049074 | Speech-Language Pathologist | Annapolis, MD | 2009 |
| Christine O'Connor, NP | 1164765921 | Family Nurse Practitioner | Norwalk, CT | 2013 |
| Christine O'Connor, NP | 1306288659 | Family Nurse Practitioner | Beverly, MA | 2013 |
| Christine O'Connor, LPN, AE-C | 1407225006 | Health Educator | Wakefield, RI | 2015 |
| Christine O'Connor, R.N. | 1568727485 | Registered Nurse | Springfield, MA | 2012 |
| Christine O'Connor, RD | 1639136567 | Registered Dietitian | Cincinnati, OH | 2006 |
| Christine O'Connor, DNP | 1639710783 | Family Nurse Practitioner | Portland, OR | 2019 |
| Christine O'Connor | 1649674045 | Licensed Practical Nurse | Syracuse, NY | 2014 |
| Christopher O'Connor, D.C. | 1124154430 | Sports Physician Chiropractor | Staten Island, NY | 2007 |
| Christopher O'Connor, DPT | 1205121076 | Physical Therapist | Davidson, NC | 2011 |
| Christopher O'Connor, PHD, LCSW | 1457773905 | Clinical Social Worker | Lake Mary, FL | 2014 |
| Christopher O'Connor, PA | 1619160330 | Physician Assistant | New Hyde Park, NY | 2007 |
| Christopher O'Connor | 1659455541 | Cardiovascular Disease Physician | Falls Church, VA | 2006 |
| Christopher O'Connor, MD | 1922480573 | Family Medicine Physician | Marquette, MI | 2015 |
| Christopher O'Connor, PA | 1932861168 | Physician Assistant | Round Rock, TX | 2021 |
| Christopher O'Connor, MD | 1972253722 | Student in an Organized Health Care Education/Training Program | Maywood, IL | 2022 |
| Christy O'Connor, RD | 1609113604 | Registered Dietitian | Durham, NC | 2013 |
| Chrystal O'Connor | 1811444219 | Mental Health Counselor | Covington, LA | 2016 |
| Ciara O'Connor, PA | 1730730250 | Physician Assistant | Sarasota, FL | 2019 |
| Claire O'Connor, OT | 1376116616 | Occupational Therapist | Chandler, AZ | 2021 |
| Claire O'Connor, M.S., CCC-SLP | 1801762711 | Speech-Language Pathologist | Lacey, WA | 2025 |
| Claire O'Connor | 1841742830 | Mental Health Counselor | Springdale, AR | 2016 |
| Claire O'Connor | 1851661730 | Developmental Therapist | Danvers, MA | 2012 |
| Claire O'Connor | 1992180673 | Clinical Social Worker | Los Angeles, CA | 2015 |
| Claire Marie O'Connor, LICSW | 1205197514 | Clinical Social Worker | Chestnut Hill, MA | 2012 |
| Clancy O'Connor, RD | 1144909631 | Registered Dietitian | Towson, MD | 2023 |
| Clare O'Connor, RN | 1457860041 | Registered Nurse | Brooklyn, NY | 2017 |
| Clare O'Connor, RN | 1538347109 | Registered Nurse | Waukegan, IL | 2008 |
| Clare O'Connor, RN, CPNP-AC | 1780918292 | Pediatric Nurse Practitioner | Boston, MA | 2009 |
| Clare O'Connor, MD | 1992123178 | Endocrinology, Diabetes & Metabolism Physician | Madison, WI | 2014 |
| Claudia O'Connor, DDS | 1528167020 | General Practice Dentistry | Fountain Valley, CA | 2006 |
| Claudia O'Connor, PT | 1720157217 | Orthopedic Physical Therapist | Corona Del Mar, CA | 2006 |
| Clayton O'Connor | 1447944681 | Behavior Technician | Canoga Park, CA | 2023 |
| Cole O'Connor | 1790608354 | Pharmacist | Indianapolis, IN | 2026 |
| Coleen O'Connor | 1609543461 | Mental Health Counselor | Newark, DE | 2021 |
| Coleen O'Connor, CMT | 1760781884 | Massage Therapist | Dover, NJ | 2011 |
| Colette O'Connor, ACNPC-AG | 1003653700 | Nurse Practitioner | Worcester, MA | 2024 |
| Colin O'Connor, PT, DPT | 1205375060 | Physical Therapist | Lexington, MA | 2017 |
| Colin O'Connor | 1437806130 | Social Worker | Lorain, OH | 2022 |
| Colin O'Connor | 1548992043 | Personal Care Attendant | Howell, MI | 2022 |
| Colin O'Connor | 1568099901 | Diagnostic Radiology Physician | Boston, MA | 2020 |
| Colin O'Connor, LCMHC | 1700895158 | Counselor | Bennington, VT | 2006 |
| Colin O'Connor, PA-C | 1770979536 | Physician Assistant | Apple Valley, MN | 2015 |
| Colin O'Connor | 1790510337 | Pharmacist | Orlando, FL | 2024 |
| Colleen O'Connor, LPC-T | 1093556367 | Mental Health Counselor | Wichita, KS | 2024 |
| Colleen O'Connor, CRNA | 1104937580 | Certified Registered Nurse Anesthetist | Lake Forest, CA | 2006 |
| Colleen O'Connor | 1366018921 | Physical Therapist | Georgetown, TX | 2021 |
| Colleen O'Connor | 1396350583 | Speech-Language Pathologist | West Hyattsville, MD | 2020 |
| Colleen O'Connor, PT, DPT | 1477928406 | Physical Therapist | Houston, TX | 2015 |
| Colleen O'Connor | 1508692146 | Physical Therapist | Riverdale, NJ | 2024 |
| Colleen O'Connor, PA | 1730116815 | Physician Assistant | Boston, MA | 2006 |
| Colleen O'Connor, MS LAC NCAC II | 1841287117 | Addiction (Substance Use Disorder) Counselor | Billings, MT | 2005 |
| Colleen O'Connor, LCSW | 1912916321 | Clinical Social Worker | Scarborough, ME | 2006 |
| Colleen O'Connor, MD | 1922087154 | Internal Medicine Physician | Wynnewood, PA | 2006 |
| Colleen O'Connor, M.D. | 1922549146 | Anesthesiology Physician | Charlottesville, VA | 2017 |
| Collette O'Connor | 1306532205 | Student in an Organized Health Care Education/Training Program | Kansas City, KS | 2023 |
| Collin O'Connor | 1568153377 | Behavior Technician | Jackson, MI | 2023 |
| Colyn O'Connor | 1801589080 | Student in an Organized Health Care Education/Training Program | Manhattan, KS | 2023 |
| Connie O'Connor | 1811004286 | Psychiatry Physician | Seattle, WA | 2006 |
| Constance O'Connor, ANP | 1265650162 | Adult Health Nurse Practitioner | Needham, MA | 2007 |
| Constance O'Connor, LSW | 1609122290 | Social Worker | Pittsburgh, PA | 2012 |
| Constance O'Connor | 1932493004 | Developmental Therapist | Buffalo Grove, IL | 2011 |
| Corey O'Connor | 1417405168 | Occupational Therapy Assistant | Homosassa, FL | 2016 |
| Corey O'Connor | 1467009712 | Physical Therapist | Mason City, IA | 2019 |
| Corinne O'Connor, LMSW-CC | 1114502192 | Social Worker | Portland, ME | 2021 |
| Corinne O'Connor, LSW | 1336721489 | Social Worker | Beachwood, OH | 2021 |
| Corinne O'Connor, MD | 1669177762 | Pulmonary Disease Physician | Charleston, SC | 2023 |
| Cormac O'Connor, M.D. | 1780686360 | Family Medicine Physician | Falls Church, VA | 2005 |
| Cornelius O'Connor, MD | 1295831766 | Anesthesiology Physician | Burlington, MA | 2006 |
| Corrie O'Connor | 1043545338 | Developmental Therapist | Chicago, IL | 2009 |
| Courtney O'Connor, MSW | 1093278756 | Clinical Social Worker | Riviera Beach, FL | 2019 |
| Courtney O'Connor | 1275352304 | Family Nurse Practitioner | Walnut Creek, CA | 2024 |
| Courtney O'Connor | 1376004622 | Certified Registered Nurse Anesthetist | Manchester, NH | 2019 |
| Courtney O'Connor | 1477666873 | Speech-Language Pathologist | Mc Murray, PA | 2006 |
| Courtney O'Connor, M.S., CCC-SLP | 1487309522 | Speech-Language Pathologist | Wolfforth, TX | 2022 |
| Courtney O'Connor, MD | 1629768700 | Student in an Organized Health Care Education/Training Program | New York, NY | 2023 |
| Courtney O'Connor, LCPC | 1740846377 | Mental Health Counselor | Great Falls, MT | 2019 |
| Courtney O'Connor, RD | 1932933181 | Registered Dietitian | Avon, CT | 2024 |
| Crista O'Connor, FNP-C | 1538667605 | Family Nurse Practitioner | Indianapolis, IN | 2018 |
| Cristen O'Connor, MA, LPC, CAC III | 1538200845 | Addiction (Substance Use Disorder) Counselor | Colorado Springs, CO | 2007 |
| Cristy O'Connor, PT | 1497913628 | Physical Therapist | Somersworth, NH | 2008 |
| Crystal O'Connor, FNP-C | 1902478365 | Nurse Practitioner | Roanoke, VA | 2021 |
| Cullen O'Connor | 1831718998 | Speech-Language Pathologist | Toledo, OH | 2020 |
| Cynthia O'Connor | 1316116916 | Mental Health Counselor | Akron, OH | 2008 |
| Cynthia O'Connor, REGISTERED NURSE | 1841568938 | Registered Nurse | Hopewell Junction, NY | 2011 |
| Cynthia O'Connor | 1891042701 | Registered Nurse | Royal Palm Beach, FL | 2012 |
| Cynthia O'Connor, DC | 1992786834 | Chiropractor | Latrobe, PA | 2005 |
| Cynthia Amorn O'Connor | 1962870857 | Mental Health Counselor | Somerville, MA | 2015 |
| D'Arcy O'Connor, RN | 1649092578 | General Practice Registered Nurse | Alpharetta, GA | 2024 |
| Dalys O'Connor | 1568832608 | Pharmacist | Casa Grande, AZ | 2015 |
| Dana O'Connor, DNP, CNM | 1457898918 | Midwife | Denver, CO | 2017 |
| Daniel O'Connor, MD | 1093248536 | Family Medicine Physician | Morris, MN | 2017 |
| Daniel O'Connor, PA | 1104246586 | Physician Assistant | Fort Stewart, GA | 2014 |
| Daniel O'Connor, MD | 1114960523 | Orthopaedic Surgery Physician | Elmhurst, NY | 2006 |
| Daniel O'Connor, D.C. | 1164508602 | Chiropractor | Tinley Park, IL | 2006 |
| Daniel O'Connor, OD | 1184398026 | Optometrist | Paducah, KY | 2021 |
| Daniel O'Connor | 1194794958 | Ophthalmology Physician | Plymouth, MA | 2006 |
| Daniel O'Connor, L.A.T., A.T.C. | 1205856994 | Research Study Specialist | Houston, TX | 2006 |
| Daniel O'Connor, PHARMD | 1255286845 | Emergency Medicine Pharmacist | Springfield, MA | 2026 |
| Daniel O'Connor, RPH. | 1255735619 | Pharmacist | Scottsdale, AZ | 2014 |
| Daniel O'Connor, MD | 1265840052 | Adult Reconstructive Orthopaedic Surgery Physician | Glenwood Springs, CO | 2014 |
| Daniel O'Connor, P.T. | 1366587701 | Physical Therapist | Chicago, IL | 2007 |
| Daniel O'Connor, MD | 1437311800 | Cardiovascular Disease Physician | New York, NY | 2008 |
| Daniel O'Connor, M.D. | 1467438689 | Pediatrics Physician | Boston, MA | 2005 |
| Daniel O'Connor, MD | 1548484264 | Diagnostic Radiology Physician | Rochester, NY | 2007 |
| Daniel O'Connor, MD | 1548792914 | MOHS-Micrographic Surgery Physician | Dover, NH | 2017 |
| Daniel O'Connor | 1588489520 | Student in an Organized Health Care Education/Training Program | Newalla, OK | 2024 |
| Daniel O'Connor, MS, ATC | 1649377375 | Athletic Trainer | Brooklyn, NY | 2006 |
| Daniel O'Connor | 1689807026 | Mental Health Counselor | Hyde Park, MA | 2009 |
| Daniel O'Connor, D.D.S. | 1760555353 | General Practice Dentistry | Brown City, MI | 2006 |
| Daniel O'Connor, DPT | 1811347438 | Physical Therapist | Catoosa, OK | 2016 |
| Daniel O'Connor | 1912684358 | Physical Therapy Assistant | Sewell, NJ | 2023 |
| Daniel O'Connor, M.D. | 1952478927 | Occupational Medicine Physician | Brookfield, WI | 2006 |
| Danielle O'Connor | 1245019090 | Student in an Organized Health Care Education/Training Program | Tulsa, OK | 2023 |
| Danielle O'Connor, DPT | 1649672452 | Physical Therapist | Williamstown, NJ | 2014 |
| Darcie O'Connor | 1760174700 | Mental Health Counselor | Lakewood, CO | 2023 |
| Darragh O'Connor, MD | 1598487787 | Family Medicine Physician | Du Quoin, IL | 2022 |
| David O'Connor, M.D. | 1063736510 | Vascular Surgery Physician | New Brunswick, NJ | 2010 |
| David O'Connor, D.M.D. | 1194876482 | Endodontics | Toledo, OH | 2007 |
| David O'Connor, NP | 1598056509 | Psychiatric/Mental Health Nurse Practitioner | Rome, NY | 2011 |
| David O'Connor, PH.D. | 1629176318 | Clinical Psychologist | Baltimore, MD | 2006 |
| David O'Connor | 1669369237 | Community Health Worker | Providence, RI | 2025 |
| David O'Connor, MD | 1699798595 | Psychiatry Physician | Austin, TX | 2006 |
| David O'Connor, M.D. | 1801860655 | Vascular & Interventional Radiology Physician | Boynton Beach, FL | 2006 |
| Dawn O'Connor, MA, MS, LLP | 1164763363 | Psychologist | Ferndale, MI | 2013 |
| Dawn O'Connor, RN | 1356018113 | Infusion Therapy Registered Nurse | Baltimore, MD | 2021 |
| Dawn O'Connor, F.N.P. | 1730295791 | Family Nurse Practitioner | Salem, OR | 2006 |
| Deandra O'Connor, RNP | 1942607650 | Nurse Practitioner | Scottsdale, AZ | 2014 |
| Deanna O'Connor, LPN | 1255776332 | Licensed Practical Nurse | Walton, NY | 2013 |
| Deborah O'Connor, OTR/L | 1265749360 | Occupational Therapist | Butler, PA | 2010 |
| Deborah O'Connor | 1326543067 | Personal Care Attendant | Las Vegas, NV | 2018 |
| Deborah O'Connor, CRNP | 1497966741 | Nurse Practitioner | Indianapolis, IN | 2007 |
| Deborah O'Connor, APSW | 1588225270 | Social Worker | Mequon, WI | 2019 |
| Deborah O'Connor, MS CCC/SLP | 1659505485 | Speech-Language Pathologist | Lincoln, NE | 2009 |
| Deborah O'Connor, OTR/L | 1962518993 | Pediatric Occupational Therapist | Tulsa, OK | 2006 |
| Debra O'Connor, CRNA | 1225239924 | Certified Registered Nurse Anesthetist | Philadelphia, PA | 2007 |
| Debra O'Connor, LCSW | 1275546715 | Clinical Social Worker | Arden, NC | 2006 |
| Debra O'Connor, P.T. | 1467754242 | Physical Therapist | Brentwood, NH | 2010 |
| Debra O'Connor, MD | 1487643763 | Family Medicine Physician | Chicago, IL | 2005 |
| Deena O'Connor, MA CCC-SLP | 1730473398 | Speech-Language Pathologist | Cherry Hill, NJ | 2011 |
| Deidra O'Connor | 1851162101 | Speech-Language Pathologist | Branford, CT | 2024 |
| Deirdre O'Connor | 1255800678 | Case Manager/Care Coordinator | Santa Fe, NM | 2018 |
| Deirdre O'Connor | 1912634718 | Clinical Social Worker | Westfield, IN | 2022 |
| Delaney O'Connor | 1316866585 | Registered Nurse | York, PA | 2026 |
| Delaney O'Connor, MS, ATC | 1326971839 | Athletic Trainer | Baltimore, MD | 2026 |
| Delia O'Connor, PT | 1740245158 | Physical Therapist | Newington, CT | 2006 |
| Dena O'Connor, LMFT | 1609045533 | Marriage & Family Therapist | Cornelius, NC | 2008 |
| Denell O'Connor, LMP | 1447695192 | Massage Therapist | Seattle, WA | 2013 |
| Denett O'Connor, LISAC MASTERS MGMT | 1053794206 | Addiction (Substance Use Disorder) Counselor | Tucson, AZ | 2015 |
| Denise O'Connor, RN,MS,OCN | 1356549034 | Oncology Registered Nurse | Cambridge, MA | 2007 |
| Dennis O'Connor, TBS | 1053628677 | Counselor | Ukiah, CA | 2010 |
| Dennis O'Connor, M.D./M.P.H. | 1508027863 | Emergency Medicine Physician | National City, CA | 2008 |
| Dennis O'Connor, OTR-L | 1619098415 | Occupational Therapist | Stuart, FL | 2007 |
| Dennis O'Connor, DC | 1710994033 | Chiropractor | Marblehead, MA | 2006 |
| Dennis O'Connor, M.D. | 1750384152 | Anatomic Pathology & Clinical Pathology Physician | Louisville, KY | 2005 |
| Dennis O'Connor, M.D. | 1801965942 | Psychologist | Monterey, CA | 2006 |
| Dennis O'Connor, M.D. | 1912935743 | Family Medicine Physician | Bath, NY | 2006 |
| Devlin O'Connor, D.O. | 1053759035 | Family Medicine Physician | Tavares, FL | 2013 |
| Devon O'Connor | 1902502750 | Behavior Technician | Orlando, FL | 2023 |
| Devor O'Connor, MD | 1811566250 | Dermatology Physician | Longview, TX | 2021 |
| Dia O'Connor | 1629558622 | Anesthesiologist Assistant | Gainesville, FL | 2018 |
| Diana O'Connor, ARNP PHD | 1033147616 | Gerontology Nurse Practitioner | Greenacres, FL | 2006 |
| Diandra O'Connor | 1538713144 | Pharmacist | Des Moines, IA | 2019 |
| Diane O'Connor, RNFA | 1003111469 | Registered Nurse First Assistant | Evergreen Park, IL | 2011 |
| Diane O'Connor, FNP | 1376735670 | Family Nurse Practitioner | Nashville, TN | 2007 |
| Diane O'Connor, R.N. | 1578847711 | Registered Nurse | Worcester, MA | 2011 |
| Diane O'Connor | 1619579307 | Personal Care Attendant | Fairmont, WV | 2020 |
| Dina O'Connor, ARNP | 1841745908 | Nurse Practitioner | Delray Beach, FL | 2016 |
| Donielle O'Connor, M.ED. | 1306147269 | Case Manager/Care Coordinator | Seattle, WA | 2010 |
| Donna O'Connor, LSW, MSW | 1427504059 | Clinical Social Worker | New Vernon, NJ | 2016 |
| Donna O'Connor | 1477869527 | School Registered Nurse | Wilmington, DE | 2010 |
| Donna O'Connor, LMSW | 1588210009 | Social Worker | Schoharie, NY | 2019 |
| Donna O'Connor | 1700510153 | Nurse's Aide | Bremerton, WA | 2022 |
| Donna Maria O'Connor, LMFT | 1508606864 | Mental Health Counselor | Pasadena, CA | 2024 |
| Douglas O'Connor, D.M.D. | 1962535112 | Dentist | Evergreen, AL | 2007 |
| Dustyn O'Connor, CMT | 1942738299 | Massage Therapist | Hopkins, MN | 2017 |
| Dylan O'Connor | 1083292908 | General Practice Dentistry | New York, NY | 2021 |
| Dylan O'Connor | 1093448110 | Case Manager/Care Coordinator | Malone, NY | 2022 |
| Dylan O'Connor, M.D. | 1891226478 | Pediatric Critical Care Medicine Physician | Palo Alto, CA | 2017 |
| Eden O'Connor, LISW | 1831738749 | Social Worker | Iowa City, IA | 2019 |
| Edith O'Connor, PA | 1407984826 | Physician Assistant | Quincy, CA | 2007 |
| Edmund O'Connor, LP | 1700957081 | Clinical Psychologist | Charlotte, NC | 2006 |
| Edward O'Connor, PSY.D. | 1386191898 | School Psychologist | Forest Hills, NY | 2016 |
| Edward O'Connor, M.D. | 1568466555 | Neurology Physician | Santa Monica, CA | 2005 |
| Edward O'Connor, M.D. | 1659804532 | Anesthesiology Physician | Annapolis, MD | 2017 |
| Edward O'Connor, MD | 1881323236 | Student in an Organized Health Care Education/Training Program | Ann Arbor, MI | 2022 |
| Eileen O'Connor, RNP | 1326123449 | Nurse Practitioner | Bronx, NY | 2006 |
| Eileen O'Connor, NP | 1346484102 | Family Nurse Practitioner | New York, NY | 2009 |
| Eileen O'Connor | 1346662921 | Massage Therapist | Seattle, WA | 2014 |
| Eileen O'Connor, M.D. | 1922177849 | Psychiatry Physician | Vineland, NJ | 2006 |
| Eilise O'Connor, DDS | 1407348238 | General Practice Dentistry | Kansas City, MO | 2018 |
| Elauna O'Connor, MS CCC-SLP | 1255598124 | Speech-Language Pathologist | Raleigh, NC | 2008 |
| Elise O'Connor, CRNA | 1396858981 | Certified Registered Nurse Anesthetist | Vancouver, WA | 2006 |
| Elise O'Connor, LMSW-CC | 1568839199 | Clinical Social Worker | Portland, ME | 2015 |
| Elissa O'Connor, CAA | 1164303004 | Anesthesiologist Assistant | Tampa, FL | 2025 |
| Elizabeth O'Connor, LLMSW | 1013362490 | Case Manager/Care Coordinator | Detroit, MI | 2016 |
| Elizabeth O'Connor, FNP | 1043275894 | Family Nurse Practitioner | Salem, VA | 2006 |
| Elizabeth O'Connor, CRNA | 1104849652 | Certified Registered Nurse Anesthetist | Virginia Beach, VA | 2006 |
| Elizabeth O'Connor, M.D. | 1124196621 | Pediatrics Physician | Boston, MA | 2006 |
| Elizabeth O'Connor, M.A., CCC-SLP | 1154696276 | Speech-Language Pathologist | New Port Richey, FL | 2012 |
| Elizabeth O'Connor, DO | 1164601274 | Family Medicine Physician | Scottsdale, AZ | 2007 |
| Elizabeth O'Connor | 1215474473 | Social Worker | New York, NY | 2017 |
| Elizabeth O'Connor | 1265105670 | Physician Assistant | New York, NY | 2021 |
| Elizabeth O'Connor | 1275411282 | Social Worker | Winchester, MA | 2025 |
| Elizabeth O'Connor, RD, LDN | 1326443763 | Registered Dietitian | Chicago, IL | 2014 |
| Elizabeth O'Connor, L.P.N. | 1336313105 | Licensed Practical Nurse | Cazenovia, NY | 2008 |
| Elizabeth O'Connor, ANP, CDE | 1356653190 | Adult Health Nurse Practitioner | Saint Louis, MO | 2010 |
| Elizabeth O'Connor, LCSW | 1366571119 | Clinical Social Worker | Elkhart, IN | 2007 |
| Elizabeth O'Connor | 1396224358 | Nurse Practitioner | Boston, MA | 2018 |
| Elizabeth O'Connor | 1518620798 | Case Manager/Care Coordinator | Portland, OR | 2021 |
| Elizabeth O'Connor, MD | 1629040498 | Family Medicine Physician | Washington, DC | 2006 |
| Elizabeth O'Connor, MA, E-RYT | 1649795469 | Counselor | Gulf Breeze, FL | 2017 |
| Elizabeth O'Connor, M.A. | 1720032352 | Speech-Language Pathologist | Providence, RI | 2006 |
| Elizabeth O'Connor, RN | 1780001586 | Registered Nurse | Malone, NY | 2014 |
| Elizabeth O'Connor, M.D. | 1851411854 | Plastic and Reconstructive Surgery Physician | Green Bay, WI | 2007 |
| Elizabeth O'Connor, M.H.S., CCC-SLP | 1871005447 | Speech-Language Pathologist | Crestwood, IL | 2017 |
| Elizabeth O'Connor | 1902220759 | Specialist | South Lebanon, OH | 2014 |
| Elizabeth O'Connor | 1902654007 | Mental Health Counselor | Dedham, MA | 2024 |
| Elizabeth O'Connor | 1912139858 | Speech-Language Pathologist | Brooklyn, NY | 2009 |
| Elizabeth O'Connor | 1932957438 | Student in an Organized Health Care Education/Training Program | West Reading, PA | 2024 |
| Elizabeth O'Connor, PH.D. | 1982614996 | Psychologist | Walnut Creek, CA | 2006 |
| Ellen O'Connor, MD | 1083830632 | Internal Medicine Physician | Philadelphia, PA | 2007 |
| Ellen O'Connor, MAC LAC LMT | 1568759603 | Acupuncturist | Damariscotta, ME | 2011 |
| Ellen O'Connor, RN | 1881064558 | Registered Nurse | Arlington, MA | 2015 |
| Elliot O'Connor, DPT | 1053653311 | Physical Therapist | Seattle, WA | 2013 |
| Elsa O'Connor, PHD., ED.D. | 1780756973 | Counseling Psychologist | Woodinville, WA | 2006 |
| Emily O'Connor | 1003645789 | Pharmacist | Danville, WV | 2024 |
| Emily O'Connor, CCC-SLP | 1134617871 | Speech-Language Pathologist | Pearland, TX | 2018 |
| Emily O'Connor, MS, OTR/L | 1275818452 | Pediatric Rehabilitation Medicine Physician | Downers Grove, IL | 2011 |
| Emily O'Connor, CRNP | 1336816206 | Nurse Practitioner | Pittsburgh, PA | 2021 |
| Emily O'Connor, M.A CCC-SLP | 1417380510 | Speech-Language Pathologist | Schenectady, NY | 2013 |
| Emily O'Connor, MS, NCC, LPC | 1427558279 | Mental Health Counselor | Appleton, WI | 2018 |
| Emily O'Connor, LICSW | 1548184021 | Clinical Social Worker | Pell City, AL | 2026 |
| Emily O'Connor | 1669948238 | Professional Counselor | Littleton, CO | 2018 |
| Emily O'Connor | 1710368865 | Nurse Practitioner | Saratoga Springs, NY | 2015 |
| Emily O'Connor, NP-BC | 1740102029 | Family Nurse Practitioner | Sault Sainte Marie, MI | 2026 |
| Emily O'Connor, D.M.D. | 1811022080 | General Practice Dentistry | Fort Thomas, KY | 2007 |
| Emily O'Connor, DNP-FNP | 1932948494 | Acute Care Nurse Practitioner | Waterbury, CT | 2024 |
| Emily O'Connor | 1942153614 | Speech-Language Pathologist | Cincinnati, OH | 2026 |
| Emily O'Connor, DPT, PT | 1992547129 | Physical Therapist | Hilliard, OH | 2024 |
| Emma O'Connor, OTR/L | 1124818869 | Occupational Therapist | North Cape May, NJ | 2025 |
| Emma O'Connor, CRNA | 1205102670 | Certified Registered Nurse Anesthetist | Upper Saddle River, NJ | 2012 |
| Emma O'Connor | 1265242754 | Registered Dietitian | Lakewood, CO | 2025 |
| Emma O'Connor | 1962268573 | Anesthesiologist Assistant | Fort Wayne, IN | 2024 |
| Eric O'Connor, APRN, DNP | 1295277531 | Adult Health Nurse Practitioner | Jewett City, CT | 2016 |
| Eric O'Connor | 1477353563 | Community Health Worker | Roseville, CA | 2025 |
| Erica O'Connor | 1093112534 | Counselor | West Boylston, MA | 2014 |
| Erica O'Connor | 1124651500 | Community Health Worker | Victorville, CA | 2020 |
| Erica O'Connor, MD | 1134782725 | Pediatrics Physician | Carlsbad, CA | 2019 |
| Erica O'Connor | 1346089695 | Student in an Organized Health Care Education/Training Program | Shreveport, LA | 2024 |
| Erica O'Connor, MS | 1710391073 | Speech-Language Pathologist | Durham, NC | 2014 |
| Erica O'Connor | 1912504606 | Behavior Technician | Tampa, FL | 2020 |
| Erin O'Connor, PHD, LP | 1073746095 | Clinical Psychologist | Flint, MI | 2009 |
| Erin O'Connor | 1093561813 | Nurse Practitioner | San Francisco, CA | 2024 |
| Erin O'Connor | 1184391427 | Behavior Technician | Blacklick, OH | 2021 |
| Erin O'Connor | 1205447141 | Mental Health Counselor | Bremerton, WA | 2020 |
| Erin O'Connor, DPT | 1225439045 | Physical Therapist | Eglin Afb, FL | 2014 |
| Erin O'Connor, MS | 1285173724 | Mental Health Counselor | Tavares, FL | 2017 |
| Erin O'Connor, PA-C | 1295756609 | Physician Assistant | North Andover, MA | 2006 |
| Erin O'Connor | 1336929785 | Behavior Analyst | New York, NY | 2023 |
| Erin O'Connor | 1356884092 | Behavior Technician | Salt Lake City, UT | 2016 |
| Erin O'Connor, LCSW, LMSW | 1467861815 | Clinical Social Worker | Berkeley, CA | 2014 |
| Erin O'Connor, MD | 1487632584 | Diagnostic Radiology Physician | Maywood, IL | 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).