Providers Erin O'Connor, ATC to Karen O'Connor, OTR/L
300 individual NPIs in the federal registry, part 16,017 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. 102 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Erin O'Connor, ATC | 1508274804 | Athletic Trainer | Van Buren, IN | 2014 |
| Erin O'Connor | 1588465934 | Pediatric Nurse Practitioner | Neenah, WI | 2025 |
| Erin O'Connor | 1609285832 | Behavior Analyst | Tampa, FL | 2014 |
| Erin O'Connor, FNP-BC | 1720779978 | Family Nurse Practitioner | New York, NY | 2023 |
| Erin O'Connor, LPN | 1750162848 | Licensed Practical Nurse | Hutchinson, KS | 2023 |
| Erin O'Connor, LPC | 1750198479 | Professional Counselor | Chicago, IL | 2024 |
| Erin O'Connor | 1760230148 | Social Worker | Oakland, CA | 2024 |
| Erin O'Connor, BCABA, QIDP | 1770270290 | Behavior Analyst | Menominee, MI | 2023 |
| Erin O'Connor | 1790627263 | Physical Therapist | Pittsburgh, PA | 2026 |
| Erin O'Connor | 1821944273 | Student in an Organized Health Care Education/Training Program | Ann Arbor, MI | 2026 |
| Erin O'Connor, PHD | 1871113001 | Clinical Psychologist | Riverside, RI | 2020 |
| Erin O'Connor | 1881167401 | Mental Health Counselor | Newton, MA | 2019 |
| Erin O'Connor, PMHNP, DNP | 1932525516 | Psychiatric/Mental Health Nurse Practitioner | Norwich, CT | 2014 |
| Ester O'Connor, RN, MSN | 1891827879 | Community Health Registered Nurse | San Diego, CA | 2007 |
| Ethan O'Connor, BA | 1871358960 | Other Specialist/Technologist | Denver, CO | 2024 |
| Evie O'Connor, BS | 1750829180 | Counselor | Nantucket, MA | 2017 |
| Faith O'Connor, M.A., SLP | 1609663020 | Speech-Language Pathologist | Blue Point, NY | 2025 |
| Felicia O'Connor, LPC | 1588241483 | Professional Counselor | Parsippany, NJ | 2021 |
| Felicia O'Connor | 1982074522 | Social Worker | Kalamazoo, MI | 2015 |
| Felisha O'Connor, PMHNP-BC | 1770983231 | Psychiatric/Mental Health Nurse Practitioner | Mishawaka, IN | 2014 |
| Fiona O'Connor, COTA | 1982401287 | Occupational Therapy Assistant | Stamford, CT | 2025 |
| Francine O'Connor, BCBA, LBA | 1205198587 | Behavior Analyst | Rego Park, NY | 2012 |
| Francis O'Connor, MD | 1316925340 | Family Medicine Physician | Fairfax, VA | 2006 |
| Frank O'Connor, D.D.S. | 1770799488 | Prosthodontics | Tucker, GA | 2007 |
| Frederick O'Connor, MD | 1982774618 | Pediatrics Physician | Unionville, CT | 2006 |
| Gabrielle O'Connor, M.D. | 1720118961 | Endocrinology, Diabetes & Metabolism Physician | Laguna Beach, CA | 2007 |
| Gail O'Connor, M.ED. | 1548510522 | Specialist | Port Henry, NY | 2012 |
| Gale O'Connor, CRNA | 1831252113 | Certified Registered Nurse Anesthetist | Santa Rosa, CA | 2006 |
| Galinda O'Connor, F.N.P. | 1619320264 | Family Nurse Practitioner | Tyler, TX | 2016 |
| Genevieve O'Connor | 1215626064 | Social Worker | Gilbert, AZ | 2023 |
| George O'Connor | 1063382323 | Speech-Language Pathologist | West Palm Beach, FL | 2025 |
| George O'Connor, M.D. | 1619954880 | Pulmonary Disease Physician | Boston, MA | 2005 |
| Gerard O'Connor, M.D. | 1437101052 | Diagnostic Radiology Physician | Gainesville, FL | 2006 |
| Gerard O'Connor, M.D. | 1609879873 | Family Medicine Physician | Chestertown, MD | 2005 |
| Gianna O'Connor | 1790553055 | Physical Therapist | Menlo Park, CA | 2023 |
| Gina O'Connor, APRN | 1043776636 | Family Nurse Practitioner | Orlando, FL | 2019 |
| Gladys O'Connor, NP-C | 1821807744 | Family Nurse Practitioner | Goodyear, AZ | 2025 |
| Glenda O'Connor, LMHC | 1609467307 | Mental Health Counselor | Jacksonville, FL | 2021 |
| Glenda O'Connor, LAC | 1861731903 | Acupuncturist | La Grande, OR | 2013 |
| Glenn O'Connor, CRNA | 1952400905 | Certified Registered Nurse Anesthetist | Detroit, MI | 2006 |
| Grace O'Connor, D.D.S. | 1114936028 | Dentist | Bayside, NY | 2006 |
| Grace O'Connor | 1124709175 | Counselor | Spearfish, SD | 2023 |
| Grace O'Connor, LICSW | 1699343152 | Social Worker | Charlestown, MA | 2021 |
| Gregory O'Connor | 1164982872 | Diagnostic Radiology Physician | Durham, NC | 2019 |
| Gregory O'Connor, O.D. | 1285760629 | Optometrist | Malibu, CA | 2007 |
| Gregory O'Connor, DPT | 1427424258 | Physical Therapist | Toms River, NJ | 2015 |
| Gregory O'Connor, D.D.S. | 1902877731 | General Practice Dentistry | Merced, CA | 2006 |
| Griffin O'Connor | 1215615042 | Addiction (Substance Use Disorder) Counselor | Taunton, MA | 2023 |
| Guy O'Connor, M.D. | 1144333519 | Emergency Medicine Physician | Manitowoc, WI | 2006 |
| Haley O'Connor, M.S.O.T., O.T.R.L. | 1346699626 | Specialist | Falls Church, VA | 2016 |
| Haley O'Connor, PT, DPT | 1821750480 | Physical Therapist | Hill Afb, UT | 2021 |
| Hannah O'Connor, MJ, PSYD, HSPP | 1477187508 | Clinical Psychologist | Carmel, IN | 2020 |
| Hannah O'Connor, LCSW | 1902438773 | Clinical Social Worker | Oak Park, IL | 2020 |
| Hayley O'Connor | 1548189756 | Behavior Technician | Berlin, NH | 2026 |
| Hayley O'Connor | 1669255758 | Speech-Language Pathologist | Annapolis, MD | 2023 |
| Hayley O'Connor, LMFT | 1720691744 | Marriage & Family Therapist | Saint Petersburg, FL | 2020 |
| Haylie O'Connor | 1881348456 | Behavior Technician | Orange, CA | 2022 |
| Heather O'Connor | 1013604248 | Mental Health Counselor | Mastic, NY | 2023 |
| Heather O'Connor, LMFT, LADC | 1407025455 | Marriage & Family Therapist | Savage, MN | 2008 |
| Heather O'Connor, MD | 1457560476 | Student in an Organized Health Care Education/Training Program | Richmond, VA | 2007 |
| Heather O'Connor, D.O | 1619401221 | Anatomic Pathology & Clinical Pathology Physician | Charleston, SC | 2017 |
| Heather O'Connor | 1649874702 | Pharmacist | Lawton, OK | 2020 |
| Heather O'Connor, LLMSW | 1811403397 | Clinical Social Worker | Holt, MI | 2017 |
| Heather O'Connor | 1982183562 | Counselor | Rockford, IL | 2018 |
| Heidi O'Connor, LPC | 1629879028 | Professional Counselor | Valdosta, GA | 2025 |
| Heidi O'Connor, M.D. | 1902812506 | Pulmonary Disease Physician | Boston, MA | 2006 |
| Helen O'Connor | 1730976630 | Social Worker | Northbrook, IL | 2025 |
| Helen O'Connor, C.H.W, L.M.T | 1912048349 | Specialist | Waianae, HI | 2007 |
| Hilary O'Connor, DPT | 1427538974 | Physical Therapist | Richardson, TX | 2018 |
| Hillary O'Connor | 1275180333 | Physical Therapist | Alexandria, MN | 2019 |
| Hollie O'Connor, LCSW | 1285333047 | Clinical Social Worker | Blacksburg, VA | 2023 |
| Holly O'Connor, PA-C | 1366605339 | Physician Assistant | Albertville, MN | 2008 |
| Holly O'Connor | 1477341477 | Adult Companion | Omaha, NE | 2025 |
| Holly O'Connor, LMSW | 1750577243 | Social Worker | Brooklyn, NY | 2007 |
| Holly O'Connor | 1972217545 | Behavior Technician | Reno, NV | 2023 |
| Hope O'Connor, RBT | 1386359545 | Behavior Technician | Palm City, FL | 2023 |
| Hortencia O'Connor | 1982464889 | Physical Therapist | Dallas, TX | 2024 |
| Hunter O'Connor, MD | 1417791476 | Orthopaedic Surgery Physician | Omaha, NE | 2024 |
| Ian O'Connor | 1083545735 | Clinical Social Worker | Caldwell, ID | 2026 |
| Ian O'Connor | 1326626094 | Student in an Organized Health Care Education/Training Program | New York, NY | 2021 |
| Ian O'Connor, MD | 1558005421 | Internal Medicine Physician | New Orleans, LA | 2022 |
| Ina O'Connor, RN | 1881005544 | Registered Nurse | Wenatchee, WA | 2014 |
| Isabella O'Connor | 1710578794 | Behavior Technician | Worcester, MA | 2021 |
| Ivor O'Connor, MD | 1265939201 | Internal Medicine Physician | Canton, OH | 2018 |
| Ivy O'Connor | 1912685579 | Mental Health Counselor | West Jordan, UT | 2023 |
| Jack O'Connor, MS, PMHNP | 1962016071 | Mental Health Counselor | Rochester, NY | 2020 |
| Jackie O'Connor | 1831706951 | Behavior Technician | Sunnyvale, CA | 2020 |
| Jackson O'Connor, DC, DACNB | 1720905904 | Neurology Chiropractor | Huntersville, NC | 2026 |
| Jaclyn O'Connor, LCSW | 1205474764 | Clinical Social Worker | Port Jefferson Station, NY | 2019 |
| Jaclyn O'Connor, MD | 1588026173 | Internal Medicine Physician | Bridgeport, CT | 2016 |
| Jaclyn O'Connor, FNP-BC | 1912761438 | Family Nurse Practitioner | Las Vegas, NV | 2024 |
| Jacob O'Connor, MD, MS | 1104620954 | Student in an Organized Health Care Education/Training Program | Little Rock, AR | 2025 |
| Jacqueline O'Connor, PT | 1497943328 | Physical Therapist | Seneca, IL | 2007 |
| Jacqueline O'Connor, LMFT | 1922260116 | Marriage & Family Therapist | Sacramento, CA | 2008 |
| Jacquelyn O'Connor | 1114598729 | Certified Registered Nurse Anesthetist | Miami Beach, FL | 2021 |
| Jacquelyn O'Connor, CPNP-PC | 1154096212 | Pediatric Nurse Practitioner | Newton, MA | 2021 |
| Jacquelyn O'Connor, LICSW | 1689836827 | Social Worker | Nashua, NH | 2008 |
| Jacquelyn O'Connor, PSYD | 1891672226 | Psychologist | Latham, NY | 2025 |
| Jacquelynn O'Connor, RBT | 1376474056 | Behavior Technician | Bay Village, OH | 2026 |
| Jaimee O'Connor, MD | 1871578906 | Emergency Medicine Physician | Staten Island, NY | 2005 |
| James O'Connor, DMD | 1033480694 | Dentist | Milton, KY | 2012 |
| James O'Connor, PA-C | 1265141790 | Physician Assistant | Charlotte, NC | 2022 |
| James O'Connor | 1265438147 | Physician Assistant | Davie, FL | 2005 |
| James O'Connor, O.D. | 1295761237 | Optometrist | Amarillo, TX | 2006 |
| James O'Connor | 1306327713 | Behavior Technician | Denver, CO | 2018 |
| James O'Connor | 1356129902 | Psychologist | Oak Harbor, WA | 2023 |
| James O'Connor, M.D. | 1356396162 | Colon & Rectal Surgery Physician | Fresh Meadows, NY | 2006 |
| James O'Connor, LCSW | 1366496234 | Clinical Social Worker | Honolulu, HI | 2006 |
| James O'Connor, MS, BCBA | 1457941700 | Behavior Analyst | Savannah, GA | 2021 |
| James O'Connor, MD | 1477654507 | Pulmonary Disease Physician | Somers Point, NJ | 2006 |
| James O'Connor | 1609119874 | Mental Health Counselor | Fort Pierce, FL | 2013 |
| James O'Connor, M.D. | 1619904455 | Surgical Critical Care Physician | Baltimore, MD | 2006 |
| James O'Connor, MD | 1659336626 | Pediatrics Physician | Cheshire, CT | 2006 |
| James O'Connor | 1689031825 | Case Manager/Care Coordinator | Wheaton, IL | 2016 |
| James O'Connor, M.D. | 1730241019 | Obstetrics & Gynecology Physician | Leesburg, VA | 2006 |
| James O'Connor, MD | 1760743165 | Pulmonary Disease Physician | Richmond, VA | 2012 |
| James O'Connor, DC | 1780778514 | Chiropractor | Westwood, NJ | 2006 |
| James O'Connor, CPNP | 1841851912 | Child Abuse Pediatrics Physician | Rocky Mount, NC | 2019 |
| James O'Connor | 1972311207 | Peer Specialist | Broken Arrow, OK | 2024 |
| Jamie O'Connor | 1144892613 | Speech-Language Pathologist | Sayville, NY | 2021 |
| Jamie O'Connor, MA, LPC | 1356779292 | Professional Counselor | Bloomfield, NJ | 2013 |
| Jamie O'Connor | 1386995553 | Speech-Language Pathologist | Fairport, NY | 2012 |
| Jamie O'Connor, PT, DPT | 1417499583 | Physical Therapist | Altadena, CA | 2016 |
| Jamie O'Connor, LCSW | 1578853628 | Clinical Social Worker | Milwaukee, WI | 2011 |
| Jamie O'Connor | 1609422773 | Personal Care Attendant | Las Vegas, NV | 2019 |
| Jamie O'Connor | 1821131004 | Physical Therapist | Towanda, PA | 2007 |
| Jamie O'Connor, FNP-BC, MSN, CRNP | 1942197173 | Nurse Practitioner | Cumberland, MD | 2025 |
| Jane O'Connor | 1093378663 | Clinical Social Worker | Reno, NV | 2019 |
| Jane O'Connor, ARNP | 1265614689 | Adult Health Nurse Practitioner | Seattle, WA | 2007 |
| Jane O'Connor, RN | 1275742892 | Lactation Consultant (Registered Nurse) | Northbrook, IL | 2007 |
| Janessa O'Connor, LMHC | 1831517283 | Mental Health Counselor | Richland, WA | 2014 |
| Janet O'Connor, CCC/SLP | 1083025472 | Speech-Language Pathologist | Pelham, NY | 2014 |
| Janet O'Connor, EDS, LPC, LISAC | 1194782177 | Professional Counselor | Tucson, AZ | 2006 |
| Janet O'Connor, M.D. | 1730536921 | General Practice Physician | Woodbridge, VA | 2016 |
| Janice O'Connor, LCSW-R | 1457567042 | Clinical Social Worker | Massapequa, NY | 2007 |
| Janice O'Connor, M.S.W., L.C.S.W. | 1518000314 | Mental Health Counselor | Eau Claire, WI | 2007 |
| Janine O'Connor | 1669733556 | Specialist | East Rockaway, NY | 2012 |
| Jared O'Connor, PA-C | 1225412943 | Physician Assistant | Boise, ID | 2015 |
| Jared O'Connor | 1316869019 | Specialist | Concord, NH | 2026 |
| Jason O'Connor, CPRS | 1023830833 | Peer Specialist | Martinsville, IN | 2024 |
| Jason O'Connor, LMSW | 1104492578 | Social Worker | New Milford, CT | 2021 |
| Jason O'Connor, DPT | 1124531272 | Physical Therapist | Somerset, PA | 2017 |
| Jean O'Connor, ARNP | 1659473148 | Family Nurse Practitioner | Parrish, FL | 2006 |
| Jean O'Connor, OTR, CHT, CLT | 1740294982 | Occupational Therapist | Allegany, NY | 2006 |
| Jeanne O'Connor, MACCC/SLP | 1508011594 | Speech-Language Pathologist | East Meadow, NY | 2008 |
| Jeanne O'Connor, MSW, LICSW | 1811214448 | Clinical Social Worker | Woonsocket, RI | 2010 |
| Jeannette O'Connor | 1386163418 | Marriage & Family Therapist | San Francisco, CA | 2017 |
| Jeffrey O'Connor, M.D. | 1528011830 | Urology Physician | Southfield, MI | 2006 |
| Jeffrey O'Connor | 1528166766 | Family Medicine Physician | Spokane, WA | 2006 |
| Jeffrey O'Connor, PA | 1730345117 | Physician Assistant | Hartford, CT | 2008 |
| Jennianne O'Connor, DVM | 1275977050 | Veterinarian | Middleboro, MA | 2013 |
| Jennifer O'Connor, COTA/L | 1023534583 | Occupational Therapy Assistant | Buffalo, NY | 2017 |
| Jennifer O'Connor | 1083165427 | Developmental Therapist | Worcester, MA | 2016 |
| Jennifer O'Connor, DO | 1083694376 | Obstetrics & Gynecology Physician | Vancouver, WA | 2006 |
| Jennifer O'Connor | 1104363191 | Occupational Therapy Assistant | Chestnut Ridge, NY | 2017 |
| Jennifer O'Connor, RPH | 1124278338 | Pharmacist | Maspeth, NY | 2008 |
| Jennifer O'Connor | 1124439914 | Speech-Language Pathologist | Syracuse, NY | 2014 |
| Jennifer O'Connor | 1174303143 | Physician Assistant | Bethlehem, PA | 2023 |
| Jennifer O'Connor | 1336771435 | Student in an Organized Health Care Education/Training Program | Union, NJ | 2020 |
| Jennifer O'Connor, M.A., CCC-SLP | 1376815027 | Speech-Language Pathologist | Austin, TX | 2012 |
| Jennifer O'Connor, DPT | 1386616712 | Physical Therapist | Owatonna, MN | 2006 |
| Jennifer O'Connor, PH.D. | 1396955258 | Psychologist | San Clemente, CA | 2007 |
| Jennifer O'Connor | 1518819408 | Student in an Organized Health Care Education/Training Program | Hersey, MI | 2026 |
| Jennifer O'Connor | 1558700963 | Counselor | Louisville, KY | 2013 |
| Jennifer O'Connor, RN | 1609935469 | Emergency Registered Nurse | Fort Benning, GA | 2006 |
| Jennifer O'Connor, MPT | 1659872174 | Physical Therapist | West Bloomfield, MI | 2018 |
| Jennifer O'Connor, LICSW | 1669822763 | Clinical Social Worker | Hudson, WI | 2016 |
| Jennifer O'Connor, PA | 1669911483 | Surgical Physician Assistant | S Burlington, VT | 2017 |
| Jennifer O'Connor, DMD | 1679908180 | General Practice Dentistry | Woodburn, OR | 2013 |
| Jennifer O'Connor | 1699575282 | Mental Health Counselor | McHenry, IL | 2025 |
| Jennifer O'Connor | 1710737911 | Clinical Social Worker | Oxford, CT | 2024 |
| Jennifer O'Connor, LMFT | 1740580208 | Marriage & Family Therapist | Oakdale, MN | 2010 |
| Jennifer O'Connor, RPH | 1790026102 | Pharmacist | Hudson, NH | 2013 |
| Jennifer O'Connor, PMHNP | 1861678781 | Psychiatric/Mental Health Nurse Practitioner | Sanford, ME | 2008 |
| Jennifer O'Connor, MS, OTR/L | 1891114229 | Occupational Therapist | Montgomery, AL | 2014 |
| Jennifer O'Connor, LPC | 1891123188 | Professional Counselor | Tucson, AZ | 2013 |
| Jennifer O'Connor, FNP | 1942766506 | Family Nurse Practitioner | Ashburn, VA | 2019 |
| Jennifer O'Connor, MD | 1992926901 | Surgery Physician | Wichita, KS | 2007 |
| Jeremy O'Connor, M.D. | 1164860961 | Internal Medicine Physician | Bronx, NY | 2013 |
| Jessica O'Connor | 1063307924 | School Psychologist | Portland, OR | 2025 |
| Jessica O'Connor, PA | 1144858952 | Medical Physician Assistant | Rochester, NY | 2020 |
| Jessica O'Connor | 1164027900 | Pharmacist | Durant, OK | 2020 |
| Jessica O'Connor, D.O. | 1437460086 | Anesthesiology Physician | Greensburg, PA | 2010 |
| Jessica O'Connor, M.S. CCC-SLP | 1528451267 | Speech-Language Pathologist | Staatsburg, NY | 2015 |
| Jessica O'Connor | 1679244909 | Athletic Trainer | Louisville, KY | 2021 |
| Jessica O'Connor, OTD, OTR | 1700594389 | Occupational Therapist | Pittsburgh, PA | 2022 |
| Jessica O'Connor | 1700672672 | Registered Nurse | Newburgh, NY | 2025 |
| Jessica O'Connor, LCDP | 1851061022 | Addiction (Substance Use Disorder) Counselor | Charlestown, RI | 2021 |
| Jessica O'Connor | 1902344138 | Occupational Therapist | Worcester, MA | 2017 |
| Jessica O'Connor, LMFT | 1942764303 | Marriage & Family Therapist | Campbell, CA | 2019 |
| Jill O'Connor, OTR/L | 1053675116 | Occupational Therapist | Grayslake, IL | 2012 |
| Jill O'Connor | 1831606458 | Addiction (Substance Use Disorder) Counselor | Grand Rapids, MI | 2018 |
| Jill O'Connor, PA-C | 1861631145 | Surgical Physician Assistant | Beavercreek, OH | 2009 |
| Jill O'Connor, M.S.ED/CCC-SLP | 1982851739 | Speech-Language Pathologist | Buffalo, NY | 2008 |
| Jillian O'Connor, P.A.-C | 1184721961 | Physician Assistant | Hurricane, WV | 2006 |
| Jillion O'Connor | 1043000649 | Specialist | Brooklyn, NY | 2025 |
| Joan O'Connor, D.C. | 1164616587 | Chiropractor | Portland, OR | 2007 |
| Joan O'Connor, LCSW | 1538288931 | Clinical Social Worker | New York, NY | 2007 |
| Joan O'Connor, CRNP | 1588636567 | Pediatric Nurse Practitioner | Sayre, PA | 2006 |
| Joan O'Connor, D.M.D. | 1700940046 | Orthodontics and Dentofacial Orthopedics Dentistry | Winchester, MA | 2006 |
| Joan O'Connor, LMHC | 1841609708 | Professional Counselor | Kings Park, NY | 2014 |
| Joanne O'Connor, PHARMD | 1790066207 | Pharmacist | Merrillville, IN | 2011 |
| Jocelyn O'Connor, CRNA | 1508833195 | Certified Registered Nurse Anesthetist | Royal Oak, MI | 2006 |
| Jocelyn O'Connor, LAC | 1871002642 | Acupuncturist | Longmont, CO | 2017 |
| Jocelyne O'Connor, FNP | 1801336128 | Family Nurse Practitioner | Placerville, CA | 2017 |
| Jodi O'Connor, CPNP-PC | 1508475260 | Pediatric Nurse Practitioner | Chapel Hill, NC | 2020 |
| Joel O'Connor, NP | 1790403988 | Psychiatric/Mental Health Nurse Practitioner | Mandeville, LA | 2022 |
| Johanna O'Connor, M.D. | 1558471961 | Anesthesiology Physician | Westwood, MA | 2006 |
| John O'Connor, MD | 1003756172 | Student in an Organized Health Care Education/Training Program | Tampa, FL | 2026 |
| John O'Connor, PT | 1174517791 | Physical Therapist | Rancho Santa Margarita, CA | 2005 |
| John O'Connor, M.D. | 1184600512 | Sports Medicine (Family Medicine) Physician | Bellefontaine, OH | 2005 |
| John O'Connor, M.D. | 1295988921 | Anesthesiology Physician | Worcester, MA | 2008 |
| John O'Connor, BHRS | 1306156716 | Counselor | Tulsa, OK | 2010 |
| John O'Connor | 1316783426 | Community Health Worker | Bremerton, WA | 2024 |
| John O'Connor | 1356298269 | Student in an Organized Health Care Education/Training Program | Madison, WI | 2026 |
| John O'Connor, M.D. | 1356392310 | Family Medicine Physician | O Fallon, MO | 2006 |
| John O'Connor, M.D. | 1396709721 | Radiation Oncology Physician | Dallas, TX | 2006 |
| John O'Connor, LISW, ACSW | 1396874467 | Clinical Social Worker | Cleveland Heights, OH | 2007 |
| John O'Connor, D.M.D. | 1407062995 | General Practice Dentistry | Bridgewater, NJ | 2007 |
| John O'Connor | 1447832316 | Acute Care Nurse Practitioner | Troy, MI | 2021 |
| John O'Connor, PH.D. | 1477618163 | Psychologist | Delmar, NY | 2006 |
| John O'Connor, MD | 1487687364 | Orthopaedic Surgery Physician | Concord, NH | 2006 |
| John O'Connor, D.C. | 1508985730 | Chiropractor | Red Bank, NJ | 2007 |
| John O'Connor | 1528569449 | Recreation Therapist | Albany, NY | 2018 |
| John O'Connor, M.D. | 1649245770 | Obstetrics & Gynecology Physician | Cincinnati, OH | 2006 |
| John O'Connor, D.O. | 1649249806 | Specialist | Sellersville, PA | 2006 |
| John O'Connor, MD | 1659465458 | Family Medicine Physician | Marathon, FL | 2006 |
| John O'Connor, M.D. | 1700053816 | Internal Medicine Physician | Indianapolis, IN | 2008 |
| John O'Connor, MD | 1811917578 | Internal Medicine Physician | Calverton, NY | 2006 |
| John O'Connor, D.O. | 1831140193 | Family Medicine Physician | Marietta, OK | 2006 |
| John O'Connor, DO | 1841089935 | Internal Medicine Physician | Allentown, PA | 2025 |
| John O'Connor | 1902237423 | Behavior Analyst | Savannah, GA | 2013 |
| John O'Connor | 1952027849 | Pharmacist | Lubbock, TX | 2022 |
| John James O'Connor, PT, DPT | 1609598085 | Orthopedic Physical Therapist | Rochester, NY | 2022 |
| John Paul Anthony O'Connor, M.D., M.R.C.P.I. | 1881025427 | Gastroenterology Physician | Boston, MA | 2013 |
| Jolon O'Connor | 1710800750 | Behavior Technician | Taunton, MA | 2026 |
| Jonathan O'Connor, PHARM. D | 1528640182 | Pharmacist | Fort Valley, GA | 2021 |
| Jonathan O'Connor, DPT | 1710233200 | Physical Therapist | Munster, IN | 2012 |
| Jordan O'Connor, PA-C | 1255962650 | Physician Assistant | Lithia, FL | 2020 |
| Jordan O'Connor, PA | 1598062713 | Physician Assistant | Weymouth, MA | 2011 |
| Jori O'Connor, M.A., CCC-SLP, BCBA | 1710222955 | Speech-Language Pathologist | Homewood, IL | 2012 |
| Joseph O'Connor, PA-C | 1154882454 | Physician Assistant | Topeka, KS | 2019 |
| Joseph O'Connor, DDS | 1326147000 | Dentist | Fountain Valley, CA | 2006 |
| Joseph O'Connor, O.D. | 1336690718 | Optometrist | Coral Springs, FL | 2016 |
| Joseph O'Connor | 1366091159 | Athletic Trainer | Malden, MA | 2019 |
| Joseph O'Connor | 1417806506 | Athletic Trainer | Pen Argyl, PA | 2026 |
| Joseph O'Connor, MD | 1437198660 | Cardiovascular Disease Physician | Portland, ME | 2006 |
| Joseph O'Connor, P.T. | 1689872111 | Physical Therapist | Tullahoma, TN | 2007 |
| Joseph O'Connor | 1982437190 | Home Health Registered Nurse | Spokane Valley, WA | 2024 |
| Joshua O'Connor, LPC | 1497381339 | Mental Health Counselor | Lafayette, LA | 2020 |
| Joshua O'Connor | 1881028173 | Physical Therapy Assistant | Merriam, KS | 2013 |
| Joule O'Connor, DO | 1851482616 | Family Medicine Physician | Virginia Beach, VA | 2006 |
| Joy O'Connor, PT | 1396716817 | Specialist | Ithaca, NY | 2006 |
| Joyce O'Connor, NP | 1457611659 | Family Nurse Practitioner | Medway, MA | 2012 |
| Judith O'Connor, ACNP-BC | 1346582459 | Acute Care Nurse Practitioner | New York, NY | 2013 |
| Judith O'Connor, M.D. | 1477594992 | Pediatric Gastroenterology Physician | Oklahoma City, OK | 2006 |
| Julia O'Connor, PHD | 1023137999 | Intellectual & Developmental Disabilities Psychologist | Baltimore, MD | 2007 |
| Julia O'Connor, NP | 1477980712 | Family Nurse Practitioner | Catskill, NY | 2013 |
| Julia O'Connor, ST | 1528009834 | Speech-Language Pathologist | Raleigh, NC | 2006 |
| Julia O'Connor, PA | 1598651259 | Medical Physician Assistant | Springfield, MA | 2025 |
| Julia O'Connor, OTR/L | 1881793289 | Occupational Therapist | Brockton, MA | 2006 |
| Julia O'Connor | 1912483868 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2018 |
| Juliann O'Connor, LICSW | 1316628175 | Clinical Social Worker | Quincy, MA | 2023 |
| Julie O'Connor, LCAT | 1003694522 | Art Therapist | Grand Island, NY | 2023 |
| Julie O'Connor, LICSW | 1013216126 | Clinical Social Worker | Warwick, RI | 2011 |
| Julie O'Connor, LCSW | 1104493519 | Clinical Social Worker | Lindenhurst, NY | 2021 |
| Julie O'Connor, MD | 1164632360 | Diagnostic Radiology Physician | Dallas, TX | 2007 |
| Julie O'Connor, LCSW | 1386167732 | Clinical Social Worker | Salem, OR | 2017 |
| Julie O'Connor, M.D. | 1528389863 | Family Medicine Physician | Lowell, MA | 2010 |
| Julie O'Connor | 1538575527 | Occupational Therapist | Simpsonville, SC | 2014 |
| Julie O'Connor, CNP | 1679168066 | Family Nurse Practitioner | Parma, OH | 2021 |
| Julie O'Connor | 1790190924 | Physical Therapist | Mora, MN | 2014 |
| Julie O'Connor | 1811504632 | Speech-Language Pathologist | West Chester, PA | 2020 |
| Juliette O'Connor | 1558140491 | Behavior Technician | Los Angeles, CA | 2023 |
| June O'Connor | 1093215576 | Specialist | New Rochelle, NY | 2018 |
| June O'Connor, M.D. | 1336130657 | Obstetrics & Gynecology Physician | Worcester, MA | 2005 |
| June O'Connor, LCPC | 1457361917 | Professional Counselor | Butte, MT | 2006 |
| June O'Connor, MASSAGE THERAPIST | 1821384116 | Massage Therapist | Eureka, MT | 2011 |
| Justine O'Connor, SLP | 1316405335 | Speech-Language Pathologist | Greenville, NC | 2019 |
| Kailey O'Connor | 1134079130 | Physician Assistant | Mahopac, NY | 2026 |
| Kailey O'Connor | 1942793518 | Behavior Analyst | Lake Oswego, OR | 2018 |
| Kaitlin O'Connor, APRN | 1093324873 | Acute Care Nurse Practitioner | Farmington, CT | 2020 |
| Kaitlin O'Connor | 1356891436 | Social Worker | East Meadow, NY | 2016 |
| Kaitlin O'Connor | 1457933780 | Physician Assistant | New Hyde Park, NY | 2021 |
| Kaitlin O'Connor, D.O. | 1962841254 | Obstetrics & Gynecology Physician | Weymouth, MA | 2013 |
| Kaitlyn O'Connor, BCBA | 1245163328 | Behavior Analyst | Princeton Junction, NJ | 2026 |
| Kaitlyn O'Connor, MD | 1326898099 | Student in an Organized Health Care Education/Training Program | Camden, NJ | 2024 |
| Kaitlyn O'Connor | 1417494949 | Behavior Technician | Viera, FL | 2017 |
| Kaitlyn O'Connor, DPT | 1437868106 | Physical Therapist | San Diego, CA | 2022 |
| Kaitlyn O'Connor, MD | 1447871496 | Obstetrics & Gynecology Physician | Greenville, NC | 2020 |
| Kaitlyn O'Connor, MSW | 1659831956 | Social Worker | Canton, CT | 2019 |
| Kaitlyn O'Connor | 1760961106 | Specialist | Leominster, MA | 2018 |
| Kaiya O'Connor | 1942871959 | Case Manager/Care Coordinator | Denham Springs, LA | 2021 |
| Kaleigh O'Connor, AUD | 1891680401 | Audiologist | Boston, MA | 2025 |
| Kamberlyn O'Connor, A.P.R.N. | 1699910703 | Nurse Practitioner | Reno, NV | 2008 |
| Kamie O'Connor | 1336623180 | Registered Nurse | Malone, NY | 2018 |
| Kara O'Connor, APRN-CNP | 1841788163 | Primary Care Nurse Practitioner | Columbus, OH | 2018 |
| Kara Anne O'Connor, DO | 1609670892 | Obstetrics & Gynecology Physician | Mobile, AL | 2025 |
| Karen O'Connor | 1043840390 | Athletic Trainer | Black Mountain, NC | 2020 |
| Karen O'Connor, OTR/L | 1164498242 | Occupational Therapist | Redding, CA | 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).