Providers Noel O'Neill, MFC to Holly O'Neill-Melville, LMSW
300 individual NPIs in the federal registry, part 16,049 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. 96 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Noel O'Neill, MFC | 1457497133 | Marriage & Family Therapist | Ukiah, CA | 2007 |
| Nora O'Neill, LCSW | 1427772201 | School Social Worker | Warwick, RI | 2022 |
| Oisin O'Neill, MD | 1093701898 | Neurological Surgery Physician | Portland, OR | 2005 |
| Oona O'Neill, MD | 1174565444 | Gynecology Physician | Winston Salem, NC | 2006 |
| Orion O'Neill | 1558936146 | Technician/Technologist | Burien, WA | 2021 |
| Orion O'Neill | 1760104350 | Mental Health Counselor | Boston, MA | 2022 |
| Owen O'Neill, MD | 1447290119 | Internal Medicine Physician | Sleepy Hollow, NY | 2006 |
| Owen O'Neill, M.D. | 1568410454 | Orthopaedic Surgery Physician | Burnsville, MN | 2006 |
| Paige O'Neill | 1275204752 | Behavior Analyst | Omaha, NE | 2021 |
| Pamela O'Neill | 1437572948 | Occupational Therapist | Port Orange, FL | 2014 |
| Pamela O'Neill, MA | 1942488994 | Marriage & Family Therapist | Barre, MA | 2008 |
| Patricia O'Neill, MA, CCC-SLP | 1013047554 | Speech-Language Pathologist | San Francisco, CA | 2007 |
| Patricia O'Neill, APRN | 1073547568 | Adult Health Nurse Practitioner | Bridgeport, CT | 2006 |
| Patricia O'Neill, MD | 1215163407 | Internal Medicine Physician | Annapolis, MD | 2009 |
| Patricia O'Neill, LMSW | 1225044373 | Social Worker | Cairo, NY | 2006 |
| Patricia O'Neill | 1609882307 | Speech-Language Pathologist | N Bellmore, NY | 2006 |
| Patricia O'Neill | 1639775083 | Pharmacist | Rocky Point, NY | 2020 |
| Patricia O'Neill, PHD | 1700079613 | Clinical Psychologist | Los Angeles, CA | 2007 |
| Patricia O'Neill, M.S.,CCC-A | 1821036963 | Audiologist | West Haven, CT | 2006 |
| Patrick O'Neill, MD | 1043249360 | Emergency Medicine Physician | Centralia, WA | 2006 |
| Patrick O'Neill, D.C. | 1144243171 | Chiropractor | N Charleston, SC | 2006 |
| Patrick O'Neill | 1215739966 | Behavior Technician | Egg Harbor Township, NJ | 2025 |
| Patrick O'Neill, MSW, LSW | 1235995754 | Mental Health Counselor | Indianapolis, IN | 2024 |
| Patrick O'Neill, DO | 1255353611 | Family Medicine Physician | Ada, OK | 2006 |
| Patrick O'Neill, O.D. | 1285631895 | Pediatric Optometrist | Northfield, MN | 2005 |
| Patrick O'Neill | 1548083413 | Physical Therapist | Newtown Square, PA | 2024 |
| Patrick O'Neill, M.D. | 1578504098 | Trauma Surgery Physician | Charleston, WV | 2006 |
| Patrick O'Neill, ATC | 1679076269 | Athletic Trainer | Arlington Hts, IL | 2018 |
| Patrick O'Neill, R.PH. | 1679895494 | Pharmacist | Mobile, AL | 2010 |
| Patrick O'Neill, MD | 1750304333 | Plastic and Reconstructive Surgery Physician | Daniel Island, SC | 2006 |
| Patrick O'Neill, PT | 1831477546 | Physical Therapist | Warrington, PA | 2011 |
| Patrick O'Neill, MS | 1891231510 | Addiction (Substance Use Disorder) Counselor | Charlevoix, MI | 2017 |
| Paul O'Neill, LCSW | 1265746812 | Clinical Social Worker | Lexington, KY | 2010 |
| Paul O'Neill, M.D. | 1821062225 | Internal Medicine Physician | Waukesha, WI | 2006 |
| Paul Kelly O'Neill, RPH | 1013339118 | Pharmacist | Huron, SD | 2014 |
| Peggy O'Neill, D.D.S. | 1295859908 | General Practice Dentistry | Houston, TX | 2007 |
| Peggy O'Neill, R. EEG/EPT CNIM | 1508233578 | Electroneurodiagnostic Specialist/Technologist | Milwaukee, WI | 2015 |
| Penelope O'Neill, M.D. | 1891840856 | Pediatrics Physician | Cherokee, NC | 2007 |
| Peter O'Neill, MD | 1073533634 | Dermatology Physician | Garden City, NY | 2006 |
| Peter O'Neill, C.O. | 1093156994 | Orthotist | West Babylon, NY | 2013 |
| Phyllis O'Neill, LCSW | 1962557488 | Clinical Social Worker | Eugene, OR | 2007 |
| Piper O'Neill, SUDPT | 1427876358 | Addiction (Substance Use Disorder) Counselor | Bellingham, WA | 2024 |
| Rachael O'Neill, RDN | 1396284501 | Registered Dietitian | Norco, CA | 2017 |
| Rachael O'Neill, LMHC | 1962020222 | Mental Health Counselor | Worcester, MA | 2020 |
| Rachel O'Neill, CRNA | 1801075247 | Certified Registered Nurse Anesthetist | Nashville, TN | 2007 |
| Rachel O'Neill, PH.D. | 1932331865 | Mental Health Counselor | Poland, OH | 2009 |
| Randall O'Neill, RPH | 1114264058 | Pharmacist | Melbourne Beach, FL | 2013 |
| Randall O'Neill, MA, MAT, MSW, LSW | 1235940503 | Clinical Social Worker | Chicago, IL | 2025 |
| Raquel O'Neill, MSW, LCSW | 1912357047 | Clinical Social Worker | Las Vegas, NV | 2016 |
| Raymond O'Neill | 1407663016 | Counselor | Rock Island, IL | 2024 |
| Rebecca O'Neill, MD | 1083176416 | Plastic Surgery Physician | Houston, TX | 2019 |
| Rebecca O'Neill, M.D. | 1356676886 | Student in an Organized Health Care Education/Training Program | San Francisco, CA | 2009 |
| Rebecca O'Neill, LCSW | 1386239200 | Clinical Social Worker | Reston, VA | 2021 |
| Rebecca O'Neill, DC | 1508451220 | Chiropractor | New York, NY | 2021 |
| Rebecca O'Neill, PHYSICIAN ASSISTANT | 1548254774 | Medical Physician Assistant | Stamford, CT | 2005 |
| Rebecca O'Neill, C.A.S.A.C., M.S. | 1639514904 | Addiction (Substance Use Disorder) Counselor | Saranac Lake, NY | 2013 |
| Rebecca O'Neill, DPT | 1780752667 | Physical Therapist | Sparta, TN | 2006 |
| Rebecca O'Neill, LGSW | 1821461252 | School Social Worker | Rockville, MD | 2015 |
| Reberta O'Neill, PTA | 1720393655 | Physical Therapy Assistant | Topeka, KS | 2010 |
| Reis O'Neill | 1275495087 | Occupational Therapist | Scottsdale, AZ | 2025 |
| Renee O'Neill, CNM | 1821596768 | Advanced Practice Midwife | Hancock, MI | 2018 |
| Richard O'Neill, PH.D. | 1184650293 | Clinical Psychologist | Syracuse, NY | 2006 |
| Riley O'Neill, LCSW | 1164200523 | School Social Worker | Providence, RI | 2023 |
| Riley O'Neill, RBT | 1477447076 | Behavior Technician | Overland, MO | 2025 |
| Rio O'Neill | 1245095926 | Professional Counselor | Houston, TX | 2024 |
| Rita O'Neill, FNP-C | 1194864470 | Family Nurse Practitioner | Canajonarie, NY | 2007 |
| Robert O'Neill | 1083409551 | Case Manager/Care Coordinator | Cleveland, OH | 2025 |
| Robert O'Neill, DDS | 1326203951 | Oral and Maxillofacial Surgery (Dentist) | Petersburg, VA | 2008 |
| Robert O'Neill, DC | 1336854967 | Chiropractor | Olathe, KS | 2023 |
| Robert O'Neill, PHARMD | 1477338580 | Pharmacist | Salina, KS | 2023 |
| Robert O'Neill | 1487721502 | Clinical Psychologist | Brainerd, MN | 2006 |
| Robert O'Neill, MD | 1528156742 | Obstetrics & Gynecology Physician | Wakefield, RI | 2006 |
| Robert O'Neill | 1558880195 | Specialist | San Francisco, CA | 2017 |
| Robert O'Neill, R.PH. | 1679811319 | Pharmacist | Ft Lauderdale, FL | 2013 |
| Robert O'Neill, LCSW | 1871168211 | Clinical Social Worker | New York, NY | 2021 |
| Robert O'Neill, PHARMD | 1871993030 | Pharmacist | Phoenix, AZ | 2014 |
| Robin O'Neill, DNP, CPNP-PC | 1043097827 | Pediatrics Physician | Falls Church, VA | 2023 |
| Ronon O'Neill, PA-C | 1144278110 | Physician Assistant | Madison, WI | 2006 |
| Rory O'Neill, D.O. | 1518164532 | General Practice Physician | Harrisburg, PA | 2007 |
| Rosalinda O'Neill, CRNA | 1174541668 | Certified Registered Nurse Anesthetist | Kenner, LA | 2006 |
| Rosalinda O'Neill, MFT | 1962613000 | Marriage & Family Therapist | Beverly Hills, CA | 2007 |
| Rosana O'Neill, BCBA | 1447506803 | Behavior Analyst | St Petersburg, FL | 2012 |
| Rosemary O'Neill, NNP | 1114330172 | Critical Care Neonatal Nurse Practitioner | Woodbridge, VA | 2014 |
| Rosemary O'Neill, CRNA | 1194826982 | Certified Registered Nurse Anesthetist | Beaver, PA | 2006 |
| Roxanne O'Neill, MSW | 1215145917 | Social Worker | Bassett, NE | 2007 |
| Ryan O'Neill, D.O. | 1104080175 | Emergency Medicine Physician | Las Vegas, NV | 2008 |
| Ryan O'Neill, D.M.D. | 1124380704 | Dentist | Nashville, TN | 2012 |
| Ryan O'Neill | 1184428492 | Behavior Technician | Oak Brook, IL | 2025 |
| Ryan O'Neill, MD | 1528646148 | Emergency Medicine Physician | Columbus, OH | 2021 |
| Ryan O'Neill, PA-C | 1538411277 | Physician Assistant | Madison, WI | 2012 |
| Ryan O'Neill | 1770232688 | Student in an Organized Health Care Education/Training Program | Macon, GA | 2022 |
| Ryan O'Neill | 1801614763 | Marriage & Family Therapist | South San Francisco, CA | 2024 |
| Ryann O'Neill, LCAT | 1043876329 | Dance Therapist | Amityville, NY | 2019 |
| Ryann O'Neill, PHARMD | 1831620111 | Pharmacist | Nellis Afb, NV | 2017 |
| Ryanne O'Neill, RBT | 1467305052 | Behavior Technician | Muncie, IN | 2026 |
| Rylee O'Neill, LLMSW | 1619805512 | Clinical Social Worker | Grand Rapids, MI | 2026 |
| Sadie O'Neill, AUD | 1235927880 | Audiologist | Boys Town, NE | 2025 |
| Saeward O'Neill, LPC | 1275099251 | Mental Health Counselor | Pocatello, ID | 2019 |
| Samantha O'Neill, MS | 1275268575 | Student in an Organized Health Care Education/Training Program | San Rafael, CA | 2022 |
| Samantha O'Neill, M.D. | 1720474661 | Neonatal-Perinatal Medicine Physician | Indianapolis, IN | 2015 |
| Samantha O'Neill | 1811663529 | Certified Registered Nurse Anesthetist | Lockport, IL | 2021 |
| Sami O'Neill, M.A. CCC-A | 1053351148 | Audiologist | Seattle, WA | 2006 |
| Sandra O'Neill, PA | 1205803194 | Physician Assistant | Mooresville, NC | 2006 |
| Sandra O'Neill, M.D., | 1457651382 | Speech-Language Pathologist | New Windsor, NY | 2010 |
| Sandra O'Neill, LBSW | 1699974923 | Case Manager/Care Coordinator | Fort Gratiot, MI | 2007 |
| Sandra O'Neill, LCPC | 1992823454 | Professional Counselor | Annapolis, MD | 2007 |
| Sara O'Neill, OTD, OTR/L | 1164443065 | Occupational Therapist | Kearney, NE | 2006 |
| Sara O'Neill | 1932932324 | Behavior Technician | Mechanicsburg, PA | 2024 |
| Sarah O'Neill, PA | 1053327692 | Physician Assistant | Mooresville, NC | 2006 |
| Sarah O'Neill | 1255129540 | Peer Specialist | Lafayette, IN | 2025 |
| Sarah O'Neill, LMSW | 1376062901 | Clinical Social Worker | Howell, MI | 2017 |
| Sarah O'Neill, BHT | 1417333436 | Other Technician | Mesa, AZ | 2015 |
| Sarah O'Neill, APRN | 1528569712 | Family Nurse Practitioner | Myrtle Beach, SC | 2018 |
| Sarah O'Neill, PA | 1700400728 | Medical Physician Assistant | Mount Pleasant, SC | 2020 |
| Sarah O'Neill, DPT | 1841733805 | Physical Therapist | King Of Prussia, PA | 2016 |
| Sarah O'Neill, PT, DPT | 1902597610 | Physical Therapist | Dallas, TX | 2023 |
| Sarah O'Neill, MA, LPC | 1942427760 | Mental Health Counselor | Parkersburg, WV | 2007 |
| Sarah O'Neill, PHD | 1972345254 | Psychologist | Rye, NY | 2024 |
| Savannah O'Neill | 1003176637 | Addiction (Substance Use Disorder) Counselor | Oakland, CA | 2012 |
| Sean O'Neill, CRNA | 1043703663 | Certified Registered Nurse Anesthetist | Southfield, MI | 2018 |
| Sean O'Neill, M.D. | 1114239001 | Diagnostic Radiology Physician | Orlando, FL | 2010 |
| Sean O'Neill, O.D. | 1124165089 | Optometrist | Iowa City, IA | 2007 |
| Sean O'Neill, MD | 1134742588 | Vascular & Interventional Radiology Physician | Providence, RI | 2020 |
| Sean O'Neill, PA-C | 1154342889 | Physician Assistant | Kalamazoo, MI | 2006 |
| Sean O'Neill, LMFT | 1215202304 | Marriage & Family Therapist | Irvine, CA | 2012 |
| Sean O'Neill, MD | 1336707918 | Family Medicine Physician | Holland, MI | 2019 |
| Sean O'Neill, DPT | 1447798335 | Physical Therapist | Spokane, WA | 2017 |
| Sean O'Neill | 1518312552 | Physical Therapy Assistant | Orlando, FL | 2016 |
| Sean O'Neill, M.D. | 1528298213 | Hospitalist Physician | Madison, WI | 2009 |
| Sean O'Neill | 1669933206 | Behavior Analyst | Amherst, MA | 2019 |
| Sean O'Neill, BA | 1679924286 | Addiction (Substance Use Disorder) Counselor | Ridley Park, PA | 2016 |
| Sean O'Neill, AGACNP, MSN, RN | 1710627831 | Acute Care Nurse Practitioner | Independence, OH | 2022 |
| Sean O'Neill, M.D., PH.D. | 1720421191 | Surgery Physician | Chelsea, MI | 2013 |
| Sean O'Neill | 1760723498 | Addiction (Substance Use Disorder) Counselor | Rochester, NY | 2013 |
| Sean O'Neill, ATC | 1831543941 | Athletic Trainer | East Lansing, MI | 2016 |
| Shane O'Neill, MFT TRAINEE | 1346489291 | Marriage & Family Therapist | Oxnard, CA | 2009 |
| Shane O'Neill, CRNA | 1912595810 | Certified Registered Nurse Anesthetist | Jackson, MI | 2021 |
| Shannon O'Neill, PT,DPT | 1003693045 | Physical Therapist | Aurora, IL | 2023 |
| Shannon O'Neill, OTR/L | 1174081459 | Occupational Therapist | Wyndmoor, PA | 2019 |
| Shannon O'Neill, AGACNP-BC | 1255044657 | Acute Care Nurse Practitioner | Virginia Beach, VA | 2022 |
| Shannon O'Neill | 1396283214 | Occupational Therapist | New York, NY | 2017 |
| Shannon O'Neill, M.A., LPC | 1407044316 | Professional Counselor | Asheville, NC | 2007 |
| Shannon O'Neill, OTD, OTR/L | 1417610494 | Occupational Therapist | Northampton, MA | 2021 |
| Shannon O'Neill | 1528267481 | Speech-Language Pathologist | Chicago, IL | 2007 |
| Shannon O'Neill, RN, FNP-C | 1588960819 | Nurse Practitioner | Houston, TX | 2011 |
| Shannon O'Neill, PHD | 1689220469 | Health Service Psychologist | New York, NY | 2019 |
| Shannon O'Neill | 1770458317 | Adult Health Nurse Practitioner | New York, NY | 2025 |
| Shannon O'Neill, LMHC | 1881104966 | Mental Health Counselor | Albuquerque, NM | 2017 |
| Sharon O'Neill, LCSW | 1063589398 | Clinical Social Worker | Manchester, NH | 2006 |
| Sharon O'Neill | 1063754281 | Marriage & Family Therapist | Mount Kisco, NY | 2013 |
| Sharon O'Neill, PTA | 1063933752 | Physical Therapy Assistant | Post Falls, ID | 2017 |
| Sharon O'Neill, LSCSW | 1821016353 | Clinical Social Worker | Wichita, KS | 2006 |
| Sharon O'Neill, C.R.N.P. | 1861439044 | Nurse Practitioner | Baltimore, MD | 2006 |
| Sharon O'Neill, APNP | 1922339878 | Family Nurse Practitioner | Waukesha, WI | 2010 |
| Shaun O'Neill, DDS | 1225567860 | Dentist | Fort Dodge, IA | 2017 |
| Shawn O'Neill, DPT | 1609103076 | Physical Therapist | Winston Salem, NC | 2009 |
| Shawna O'Neill, MA | 1235392465 | Mental Health Counselor | Oakland, CA | 2008 |
| Shawna O'Neill | 1881265981 | Counselor | Worcester, MA | 2021 |
| Shea O'Neill, MD | 1740251602 | Obstetrics & Gynecology Physician | San Diego, CA | 2006 |
| Sheila O'Neill, PA-C | 1013146075 | Physician Assistant | Chicago, IL | 2009 |
| Sheila O'Neill, LCSW | 1417383258 | Clinical Social Worker | Butte, MT | 2013 |
| Sheila O'Neill | 1679845010 | Speech-Language Pathologist | Kittery, ME | 2012 |
| Sheila O'Neill, LCSW | 1730475161 | Clinical Social Worker | Chicago, IL | 2011 |
| Shelby O'Neill, RD | 1609535996 | Registered Dietitian | Wilmington, DE | 2021 |
| Shripriya O'Neill, CPNP | 1265990212 | Pediatric Nurse Practitioner | Fairfax, VA | 2019 |
| Simone O'Neill, COTA/L | 1467428953 | Occupational Therapy Assistant | San Diego, CA | 2006 |
| Siobhan O'Neill, M.D. | 1073571915 | Psychiatry Physician | Cambridge, MA | 2006 |
| Siobhan O'Neill | 1366613093 | Social Worker | Fresno, CA | 2008 |
| Siu Ming O'Neill, AP | 1629787825 | Acupuncturist | West Palm Beach, FL | 2022 |
| Solo O'Neill | 1952235145 | Day Training/Habilitation Specialist | Eureka, CA | 2026 |
| Sondra O'Neill | 1396287942 | Counselor | Everett, WA | 2016 |
| Stacey O'Neill, MD | 1023212933 | Anatomic Pathology & Clinical Pathology Physician | Winston Salem, NC | 2007 |
| Stacey O'Neill, ATC | 1326407594 | Athletic Trainer | Rock Hill, SC | 2016 |
| Stacey O'Neill | 1720677545 | School Social Worker | Sault Sainte Marie, MI | 2021 |
| Stacy O'Neill, LPC | 1699100974 | Professional Counselor | Toms River, NJ | 2013 |
| Starlyn O'Neill | 1528291523 | Occupational Therapy Assistant | Tucson, AZ | 2009 |
| Stefanie O'Neill | 1609138940 | Specialist | New York, NY | 2012 |
| Stephanie O'Neill, APRN, FNP-BC | 1164383535 | Nurse Practitioner | Warrenville, IL | 2025 |
| Stephanie O'Neill, CF-SLP | 1215315056 | Student in an Organized Health Care Education/Training Program | Wellesley Hills, MA | 2015 |
| Stephanie O'Neill, BT | 1326709783 | Behavior Technician | Thurmont, MD | 2022 |
| Stephanie O'Neill | 1336886894 | Mental Health Counselor | Marlborough, MA | 2022 |
| Stephanie O'Neill, M.S. R.D. | 1629340831 | Registered Dietitian | Oyster Bay, NY | 2012 |
| Stephanie O'Neill, R.D.H. | 1770919730 | Dental Hygienist | Redmond, OR | 2013 |
| Stephanie O'Neill | 1780990085 | Behavior Analyst | Kearns, UT | 2010 |
| Stephanie O'Neill, B.S., D.C., DICCP | 1811081938 | Chiropractor | Davenport, IA | 2006 |
| Stephen O'Neill, MD | 1023869708 | Student in an Organized Health Care Education/Training Program | Fort Collins, CO | 2024 |
| Stephen O'Neill, LICSW, JD | 1477592483 | Clinical Social Worker | Boston, MA | 2006 |
| Stephen O'Neill, LSCSW, LCSW | 1629218748 | Clinical Social Worker | Lawrence, KS | 2009 |
| Stephen O'Neill, LMSW. | 1851330864 | Marriage & Family Therapist | Birmingham, MI | 2006 |
| Steven O'Neill | 1114458841 | Internal Medicine Physician | Corvallis, OR | 2017 |
| Sue O'Neill, LPC | 1922380799 | Counselor | Lineville, AL | 2011 |
| Susan O'Neill, APRN, BC | 1255309456 | Family Nurse Practitioner | Staten Island, NY | 2006 |
| Susan O'Neill, PSY.D. | 1265585723 | Clinical Psychologist | Leeds, MA | 2007 |
| Susan O'Neill, R.N. | 1437436086 | Registered Nurse | East Islip, NY | 2011 |
| Susan O'Neill, LMT | 1508199712 | Mechanotherapist | Buffalo, NY | 2009 |
| Susan O'Neill, NP | 1659385722 | Family Nurse Practitioner | Naperville, IL | 2006 |
| Susan O'Neill, MSN, FNP-BC | 1659788693 | Family Nurse Practitioner | Fort Lauderdale, FL | 2014 |
| Susan O'Neill, LMSW | 1780829564 | Clinical Social Worker | Muskegon, MI | 2008 |
| Susan O'Neill, PH.D. | 1972652238 | Clinical Psychologist | Columbia, MO | 2007 |
| Suzanne O'Neill | 1811843550 | Registered Nurse | Lake Orion, MI | 2026 |
| Sydney O'Neill | 1245724533 | Behavior Technician | Beaverton, OR | 2018 |
| Sylvia O'Neill, MPT, BS ED | 1336364108 | Orthopedic Physical Therapist | Riverside, CA | 2007 |
| Tamera O'Neill, MA, LPCC | 1437837101 | Mental Health Counselor | Pine City, MN | 2023 |
| Tammy O'Neill, PA-C | 1548454101 | Physician Assistant | Bishop, CA | 2007 |
| Tara O'Neill | 1023671757 | Social Worker | McHenry, IL | 2019 |
| Tara O'Neill, LM, CPM | 1104474915 | Midwife | Farmington Hills, MI | 2019 |
| Tara O'Neill, M.A. | 1891951679 | Mental Health Counselor | Orlando, FL | 2008 |
| Tasha O'Neill, MED. | 1992290340 | Behavior Technician | Columbus, OH | 2018 |
| Taylor O'Neill | 1952253882 | Physical Therapist | Uncasville, CT | 2026 |
| Tegan O'Neill, LICSW | 1740785500 | Clinical Social Worker | Roxbury, MA | 2018 |
| Terence O'Neill, M.D. | 1275560666 | Internal Medicine Physician | Lexington, KY | 2006 |
| Teresa O'Neill, COTA | 1689861148 | Occupational Therapist | San Diego, CA | 2007 |
| Teri O'Neill, LPN | 1528455029 | Licensed Practical Nurse | Lakewood, WA | 2015 |
| Terra O'Neill, P.T. | 1942501283 | Physical Therapist | Canton, NY | 2010 |
| Terrance O'Neill, D.M.D. | 1497817902 | General Practice Dentistry | Saint Paul, MN | 2006 |
| Terrence O'Neill, IMH | 1598422388 | Mental Health Counselor | West Palm Beach, FL | 2021 |
| Terrence O'Neill, PTA | 1720846553 | Physical Therapy Assistant | Cortland, OH | 2024 |
| Tessa O'Neill, APRN | 1629445937 | Family Nurse Practitioner | Council Bluffs, IA | 2015 |
| Thaddeus O'Neill, MD | 1699714873 | Plastic Surgery Physician | Sheboygan, WI | 2006 |
| Theodora O'Neill, 37AC00117100 | 1508295676 | Counselor | Middletown, NJ | 2013 |
| Theodore O'Neill, RPH | 1780131581 | Pharmacist | Charlottesville, VA | 2016 |
| Theresa O'Neill, LCSW | 1467625947 | Addiction (Substance Use Disorder) Counselor | Hicksville, NY | 2008 |
| Theresa O'Neill, L.A.C. | 1609149285 | Counselor | Mountain Lakes, NJ | 2012 |
| Therese O'Neill, NMW | 1427065762 | Advanced Practice Midwife | Escondido, CA | 2006 |
| Thomas O'Neill | 1306151089 | Behavior Analyst | Kearns, UT | 2010 |
| Thomas O'Neill, MD | 1326028713 | Urology Physician | San Antonio, TX | 2006 |
| Thomas O'Neill, M.D. | 1386874741 | Diagnostic Radiology Physician | El Paso, TX | 2009 |
| Thomas O'Neill, LCSW | 1467515395 | Clinical Social Worker | Honokaa, HI | 2006 |
| Thomas O'Neill, MD | 1639373327 | Internal Medicine Physician | Chapel Hill, NC | 2007 |
| Thomas O'Neill, DC | 1750357497 | Chiropractor | Coeur D Alene, ID | 2006 |
| Thomas O'Neill | 1801244371 | Mental Health Counselor | Denver, CO | 2016 |
| Thomas O'Neill, MA. | 1811200900 | Professional Counselor | Woodbury, MN | 2010 |
| Thomas O'Neill, MD | 1861696858 | Diagnostic Radiology Physician | Dallas, TX | 2007 |
| Thomas O'Neill, DMD | 1881323004 | Dentist | Reidsville, GA | 2022 |
| Thomas O'Neill | 1902158504 | Electroneurodiagnostic Specialist/Technologist | Colorado Springs, CO | 2012 |
| Thomas O'Neill, RPH | 1902174121 | Pharmacist | Townsend, DE | 2011 |
| Thomas O'Neill, MD | 1982353090 | Student in an Organized Health Care Education/Training Program | Cleveland, OH | 2022 |
| Tiffani O'Neill, LPC | 1285142802 | Professional Counselor | Hillsboro, OR | 2018 |
| Tiffany O'Neill, MS, OTR | 1013072982 | Occupational Therapist | Redmond, WA | 2006 |
| Tiffany O'Neill, D.O. | 1780979690 | Anatomic Pathology & Clinical Pathology Physician | Winston Salem, NC | 2011 |
| Timothy O'Neill, EMT | 1265867717 | Basic Emergency Medical Technician | Portland, OR | 2013 |
| Timothy O'Neill, M.D. | 1467493155 | Cardiovascular Disease Physician | Los Alamitos, CA | 2006 |
| Timothy O'Neill, CPO | 1700400249 | Prosthetist | Beaverton, OR | 2020 |
| Timothy O'Neill, M.D. | 1831172295 | Internal Medicine Physician | San Diego, CA | 2005 |
| Timothy O'Neill, PHARMD | 1952715278 | Pharmacist | Allison Park, PA | 2014 |
| Tina O'Neill, L.M.P. | 1598297095 | Massage Therapist | Bothell, WA | 2017 |
| Tina O'Neill | 1619373917 | Home Health Aide | Newton Falls, OH | 2014 |
| Todd O'Neill, MSPT | 1972628493 | Physical Therapist | Lower Gwynedd, PA | 2007 |
| Tomi O'Neill, MS ATC | 1093886129 | Athletic Trainer | Oswego, IL | 2006 |
| Tonimarie O'Neill, DNP, FNP-BC | 1710656178 | Family Nurse Practitioner | Garden City, NY | 2021 |
| Tori O'Neill | 1548850456 | Pharmacist | Franklin, NC | 2021 |
| Tracey O'Neill, CNS, LDN | 1356096887 | Registered Dietitian | Ponte Vedra Beach, FL | 2022 |
| Tracey O'Neill | 1992699433 | Counselor | Collegeville, PA | 2025 |
| Tracie O'Neill, MD | 1144396052 | Pediatrics Physician | Issaquah, WA | 2006 |
| Tricia O'Neill, DMD | 1225598667 | General Practice Dentistry | Warminster, PA | 2019 |
| Troy O'Neill | 1780274779 | Behavior Technician | Miami, FL | 2021 |
| Tylor O'Neill | 1437893492 | Anesthesiologist Assistant | Tulsa, OK | 2022 |
| Valerie O'Neill | 1962217422 | Case Manager/Care Coordinator | Klamath Falls, OR | 2025 |
| Vanessa O'Neill | 1093834137 | Clinical Social Worker | Lynwood, CA | 2007 |
| Vanessa O'Neill, CRNP | 1245584622 | Family Nurse Practitioner | Atlanta, GA | 2012 |
| Victoria O'Neill, LMSW | 1689400996 | Social Worker | Bedford, MA | 2024 |
| Victoria O'Neill | 1780305607 | Occupational Therapy Assistant | Tampa, FL | 2022 |
| Victoria O'Neill, LCSWR | 1801975446 | Clinical Social Worker | Kingston, NY | 2006 |
| Victoria O'Neill | 1902633027 | Pharmacy Technician | Charleston, SC | 2024 |
| Violet O'Neill | 1598637373 | Professional Counselor | Riverside, CA | 2025 |
| Wanda O'Neill, LCSW | 1619131257 | Clinical Social Worker | Williamsport, PA | 2008 |
| Wendi O'Neill, DDS | 1134484959 | Oral and Maxillofacial Pathology Dentistry | Cleveland, OH | 2012 |
| Whitney O'Neill | 1558180646 | Registered Nurse | Brier, WA | 2024 |
| William O'Neill, MD | 1215049648 | Nephrology Physician | Atlanta, GA | 2006 |
| William O'Neill, D.D.S. | 1356380547 | Pediatric Dentistry | Desoto, TX | 2006 |
| William O'Neill, D.D.S. | 1497952550 | General Practice Dentistry | Englewood Cliffs, NJ | 2007 |
| William O'Neill | 1619971017 | Podiatrist | Statesville, NC | 2005 |
| William O'Neill, MD | 1750136842 | Student in an Organized Health Care Education/Training Program | Phoenix, AZ | 2024 |
| William O'Neill, M.D. | 1851385140 | Orthopaedic Surgery Physician | Lexington, KY | 2005 |
| William O'Neill, MD | 1922118900 | Cytopathology Physician | Terre Haute, IN | 2006 |
| William John Russell O'Neill, DC | 1407596976 | Chiropractor | Loveland, CO | 2022 |
| Zachari O'Neill, PA-C | 1649990409 | Physician Assistant | Portland, OR | 2022 |
| Zachary O'Neill | 1801288899 | Registered Nurse | Potsdam, NY | 2015 |
| Margaret O'Neill - Tighe, RN, BSN | 1740508522 | Home Health Registered Nurse | Buffalo, NY | 2010 |
| Kristen O'Neill Abbate, MA,LPC | 1336338219 | Professional Counselor | Hasbrouck Heights, NJ | 2007 |
| Yohanis O'Neill Castro, MD | 1962825364 | Surgery Physician | Omaha, NE | 2014 |
| Liliana O'Neill Cubano, MS, OT/L | 1548074008 | Occupational Therapist | Trujillo Alto, PR | 2025 |
| Tani O'Neill Galanes | 1790472553 | Psychiatry Physician | New Orleans, LA | 2023 |
| Hania C O'Neill Garcia | 1568345833 | Mental Health Counselor | Santa Cruz, CA | 2025 |
| Mary O'Neill Johnson, ARNP | 1962410753 | Nurse Practitioner | Apopka, FL | 2006 |
| Hazel O'Neill Roman, RN | 1265325039 | Registered Nurse | Anchorage, AK | 2025 |
| Dr. Amber O'Neill Smith, PHD | 1295585917 | Doula | Gladstone, OR | 2024 |
| Benjamin O'Neill-Abel, LMHC | 1154160505 | Mental Health Counselor | Somerville, MA | 2024 |
| Kathleen O'Neill-Albert, RPH | 1902185481 | Pharmacist | North Baldwin, NY | 2011 |
| Evelyn O'Neill-Brown, PNP | 1609157007 | Pediatric Nurse Practitioner | Bronx, NY | 2011 |
| Jennifer O'Neill-Cha, M.D. | 1033479936 | Hospitalist Physician | Concord, CA | 2012 |
| Catherine O'Neill-Conover, NP | 1033147582 | Family Nurse Practitioner | Carlsbad, CA | 2006 |
| Connor O'Neill-Dee, MD | 1194301051 | Nephrology Physician | Boston, MA | 2021 |
| Margaret O'Neill-Dee | 1003675661 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2024 |
| Marilyn O'Neill-Eash, M.A. | 1124150263 | Mental Health Counselor | Port Angeles, WA | 2007 |
| Judy O'Neill-Heidenthal | 1225202450 | Registered Dietitian | Norfolk, VA | 2008 |
| Mary O'Neill-Huber, M.D. | 1013977495 | Colon & Rectal Surgery Physician | Rochester, NY | 2006 |
| Terry O'Neill-Kearton | 1568703809 | Counselor | Attleboro, MA | 2013 |
| Cara O'Neill-McEntire, LPC. RPT | 1114752169 | Mental Health Counselor | Oklahoma City, OK | 2024 |
| Holly O'Neill-Melville, LMSW | 1528464948 | Social Worker | Rye, NY | 2014 |
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).