Providers Katie O'Toole, PA-C to Alisha Oakes
300 individual NPIs in the federal registry, part 16,057 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. 97 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Katie O'Toole, PA-C | 1689923047 | Medical Physician Assistant | Hartford, CT | 2012 |
| Kaycee O'Toole | 1821693524 | Mental Health Counselor | Quincy, MA | 2020 |
| Kayla O'Toole, MD | 1285650127 | Anesthesiology Physician | Saint Louis, MO | 2006 |
| Kelleigh O'Toole, RD | 1659940856 | Registered Dietitian | Salem, VA | 2021 |
| Kelli O'Toole | 1518580091 | Behavior Technician | Fargo, ND | 2020 |
| Kelly O'Toole, NP | 1033710009 | Adult Health Nurse Practitioner | East Setauket, NY | 2020 |
| Kelly O'Toole | 1588544878 | School Psychologist | Omaha, NE | 2025 |
| Kelly O'Toole | 1801294392 | Behavior Analyst | Oviedo, FL | 2014 |
| Kelsey O'Toole | 1669012795 | Occupational Therapist | Goodyear, AZ | 2020 |
| Kennedy O'Toole | 1801434287 | Developmental Therapist | Milford, MA | 2019 |
| Kerri O'Toole | 1346710043 | Speech-Language Pathologist | Annapolis, MD | 2018 |
| Kerry O'Toole, OTR/L | 1336781046 | Occupational Therapist | Rhinebeck, NY | 2019 |
| Kerry Anne O'Toole, PSYD, NCSP | 1427463975 | School Psychologist | Dobbs Ferry, NY | 2014 |
| Kevin O'Toole, DO, MPH | 1063486835 | Occupational Medicine Physician | Fort Collins, CO | 2006 |
| Kevin O'Toole, MD | 1437357191 | Medical Toxicology (Emergency Medicine) Physician | Hartford, CT | 2007 |
| Kevin O'Toole, MD | 1457326795 | Specialist | Pittsburgh, PA | 2006 |
| Kevin O'Toole, OTR | 1477902435 | Pediatric Occupational Therapist | Torrance, CA | 2016 |
| Kevin O'Toole | 1902420623 | Counselor | Lynn, MA | 2020 |
| Kieran O'Toole, LCSW | 1790216349 | Clinical Social Worker | Boynton Beach, FL | 2017 |
| Kim O'Toole | 1487285094 | Specialist | Milford, PA | 2020 |
| Kimberly O'Toole, RN | 1134072929 | Registered Nurse | Waltham, MA | 2026 |
| Kimberly O'Toole | 1386069391 | Physical Therapy Assistant | Baltimore, MD | 2014 |
| Kimberly O'Toole | 1619620663 | Behavior Technician | Port Charlotte, FL | 2022 |
| Kristan O'Toole | 1427665397 | Registered Dietitian | Madison, WI | 2020 |
| Kristin O'Toole, DPT | 1861883217 | Physical Therapist | San Antonio, TX | 2015 |
| Kyle O'Toole, LAT, ATC | 1508347709 | Athletic Trainer | Jacksonville, FL | 2018 |
| Lauren O'Toole, LMHC | 1033406020 | Addiction (Substance Use Disorder) Counselor | New York, NY | 2011 |
| Lauren O'Toole, PT, DPT | 1114426129 | Physical Therapist | Phoenix, AZ | 2018 |
| Lauren O'Toole, ARNP | 1205120227 | Psychiatric/Mental Health Nurse Practitioner | Seattle, WA | 2011 |
| Laurie O'Toole, PA | 1316024490 | Physician Assistant | Rochester, NY | 2006 |
| Leah O'Toole, MD | 1902608961 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2025 |
| Lilly O'Toole, OTD | 1033974225 | Pediatric Occupational Therapist | Aurora, CO | 2024 |
| Linda O'Toole, L.P.C. | 1174593909 | Professional Counselor | Garland, TX | 2006 |
| Linda O'Toole, M.A. | 1295881407 | Mental Health Counselor | Lynnwood, WA | 2007 |
| Lindsay O'Toole | 1083390264 | Certified Registered Nurse Anesthetist | Greer, SC | 2023 |
| Lindsay O'Toole, OTR/L | 1649537549 | Occupational Therapist | Ovid, MI | 2012 |
| Linnea O'Toole, PHARMD | 1598363020 | Pharmacist | La Crosse, WI | 2020 |
| Lisa O'Toole, LCSW | 1730394537 | Clinical Social Worker | Margate, FL | 2007 |
| Logan O'Toole, LLMSW | 1326536814 | Clinical Social Worker | Benton Harbor, MI | 2018 |
| Loretta O'Toole, P.T. | 1144592700 | Pediatric Physical Therapist | West Nyack, NY | 2012 |
| Lori O'Toole, NP | 1023355179 | Cardiovascular Disease Physician | Las Vegas, NV | 2013 |
| Lynn O'Toole | 1972706398 | Developmental Therapist | Sycamore, IL | 2007 |
| Madison O'Toole, ACNP | 1952021032 | Acute Care Nurse Practitioner | Saint Louis, MO | 2022 |
| Magdalene O'Toole | 1669853826 | Student in an Organized Health Care Education/Training Program | Goodyear, AZ | 2015 |
| Margaret O'Toole, D.C | 1003244336 | Nutrition Chiropractor | Green Bay, WI | 2013 |
| Maria O'Toole, MD | 1124162516 | Obstetrics & Gynecology Physician | Johnston, RI | 2007 |
| Marilyn O'Toole, M. A., CCC-SLP | 1194001552 | Speech-Language Pathologist | Cleveland, OH | 2011 |
| Mark O'Toole | 1528544574 | Mental Health Counselor | Concord, MA | 2018 |
| Martin O'Toole, M.D. | 1063504058 | Plastic Surgery Physician | Pasadena, CA | 2006 |
| Mary O'Toole | 1194413963 | Home Health Aide | Cincinnati, OH | 2023 |
| Mary O'Toole, CRNA | 1285656355 | Certified Registered Nurse Anesthetist | Melbourne, FL | 2006 |
| Maryanne O'Toole, NP | 1376623645 | Adult Health Nurse Practitioner | Provincetown, MA | 2006 |
| Matthew O'Toole, OTR/L | 1104572874 | Occupational Therapist | Socorro, NM | 2022 |
| Matthew O'Toole, M.D. | 1679968432 | Hospitalist Physician | Huntley, IL | 2015 |
| Maureen O'Toole, PH.D. | 1023238052 | Clinical Psychologist | Atlanta, GA | 2007 |
| Megan O'Toole | 1073286027 | Speech-Language Pathologist | Winter Park, FL | 2021 |
| Megan O'Toole, M.S., OTR/L | 1710133483 | Occupational Therapist | Glenview, IL | 2008 |
| Meghan O'Toole, DPT | 1316321771 | Physical Therapist | Terre Haute, IN | 2015 |
| Melissa O'Toole, M.D. | 1205838810 | Diagnostic Radiology Physician | Houston, TX | 2005 |
| Michael O'Toole, MD | 1033167077 | Obstetrics & Gynecology Physician | Green Bay, WI | 2006 |
| Michael O'Toole, M.D. | 1053422287 | Surgery Physician | Vancouver, WA | 2006 |
| Michael O'Toole, MD | 1225083462 | Clinical Cardiac Electrophysiology Physician | Elmhurst, IL | 2006 |
| Michael O'Toole | 1225903222 | Homemaker | Baltimore, OH | 2025 |
| Michael O'Toole | 1902441405 | Licensed Psychiatric Technician | San Luis Obispo, CA | 2019 |
| Michaela O'Toole, PH.D. | 1760642755 | Clinical Psychologist | Sherman Oaks, CA | 2008 |
| Moira O'Toole | 1720271281 | Pharmacist | Troy, NY | 2007 |
| Molly O'Toole, MD | 1902093859 | Psychiatry Physician | Nashville, TN | 2007 |
| Monika O'Toole | 1134486541 | Registered Nurse | New Haven, CT | 2012 |
| Murphy O'Toole | 1245876812 | Pharmacist | Bloomington, IN | 2019 |
| Natalie O'Toole, PHARMD | 1235322496 | Pharmacist | Cincinnati, OH | 2007 |
| Nick O'Toole | 1851988570 | Peer Specialist | Lexington, KY | 2020 |
| Nicole O'Toole, PHARMD, RPH, MTM-C | 1659029536 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Mullica Hill, NJ | 2022 |
| Olivia O'Toole | 1457145765 | Mental Health Counselor | Lowell, MA | 2025 |
| Orna O'Toole, MBBCH | 1790073047 | Student in an Organized Health Care Education/Training Program | Rochester, MN | 2011 |
| Paige O'Toole | 1174416861 | Student in an Organized Health Care Education/Training Program | Chapel Hill, NC | 2025 |
| Patricia O'Toole, D.O. | 1649432402 | Obstetrics & Gynecology Physician | Fort Worth, TX | 2008 |
| Patrick O'Toole, MD | 1083656102 | Diagnostic Radiology Physician | Kansas City, MO | 2006 |
| Patrick O'Toole | 1295484228 | Perfusionist | The Woodlands, TX | 2022 |
| Patrick O'Toole, RN | 1669842423 | Registered Nurse | Springfield, OR | 2015 |
| Patrick O'Toole, D.C. | 1750714234 | Chiropractor | Columbia, SC | 2013 |
| Patrick O'Toole, PHARM. D. | 1972640704 | Pharmacist | Staten Island, NY | 2007 |
| Patrick O'Toole, DO | 1992332894 | Critical Care Medicine (Internal Medicine) Physician | New Hyde Park, NY | 2020 |
| Payton O'Toole | 1194395376 | Family Nurse Practitioner | Billings, MT | 2021 |
| Peggy O'Toole | 1801788757 | Personal Care Attendant | Lincoln, NE | 2025 |
| Rachael O'Toole, LICSW | 1285176115 | Clinical Social Worker | Westford, MA | 2016 |
| Rachel O'Toole, PA-C | 1114806346 | Medical Physician Assistant | Connellsville, PA | 2025 |
| Rachel O'Toole | 1538914361 | Occupational Therapist | Branford, CT | 2024 |
| Rachel O'Toole, M.S., CCC-SLP | 1609441393 | Speech-Language Pathologist | Statesboro, GA | 2021 |
| Randall O'Toole, LCSW | 1053401364 | Clinical Social Worker | Springfield, VA | 2006 |
| Renee O'Toole, MD | 1740679943 | Obstetrics & Gynecology Physician | Great Neck, NY | 2015 |
| Richard O'Toole, RN | 1245977271 | School Registered Nurse | Brooklyn, NY | 2022 |
| Robert O'Toole, M.D. | 1821037458 | Orthopaedic Trauma Physician | Baltimore, MD | 2006 |
| Robyn O'Toole, LICSW | 1326381138 | Clinical Social Worker | Worcester, MA | 2013 |
| Rosemary O'Toole, ACNP | 1205108685 | Acute Care Nurse Practitioner | Park Ridge, IL | 2012 |
| S O'Toole, RN | 1548478498 | Adult Psychiatric/Mental Health Registered Nurse | Taunton, MA | 2007 |
| Samantha O'Toole, R.D. | 1609321348 | Registered Dietitian | Philadelphia, PA | 2016 |
| Samantha O'Toole, MS | 1760009336 | Behavior Analyst | Brockton, MA | 2020 |
| Sara O'Toole, LMSW | 1811689987 | Clinical Social Worker | Chattanooga, TN | 2023 |
| Sarah O'Toole, NP | 1376591586 | Adult Health Nurse Practitioner | Winston Salem, NC | 2006 |
| Savannah O'Toole, LPC | 1194424606 | Professional Counselor | Boise, ID | 2023 |
| Sean O'Toole | 1548188493 | Clinical Social Worker | New York, NY | 2026 |
| Sean O'Toole | 1619602885 | Family Nurse Practitioner | Cortlandt Manor, NY | 2022 |
| Sean O'Toole, DMD | 1679126304 | General Practice Dentistry | Concord, NC | 2019 |
| Sean O'Toole | 1841022100 | Homemaker | Cincinnati, OH | 2024 |
| Shane O'Toole, MD | 1114580099 | Anesthesiology Physician | Pontiac, MI | 2019 |
| Shannon O'Toole, LMHC | 1184310781 | Mental Health Counselor | Skaneateles, NY | 2023 |
| Shannon O'Toole, DO | 1467089243 | Emergency Medicine Physician | Langhorne, PA | 2020 |
| Shannon O'Toole, PT | 1659502854 | Physical Therapist | West Columbia, SC | 2009 |
| Shaun O'Toole, MD | 1295024891 | General Practice Physician | Ada, MI | 2011 |
| Sheila O'Toole, L.AC. | 1073221024 | Acupuncturist | Garberville, CA | 2022 |
| Sherri O'Toole, LPC, AADC | 1659696615 | Professional Counselor | Fort Stewart, GA | 2010 |
| Sherry O'Toole | 1457683310 | Massage Therapist | Westminster, MA | 2010 |
| Sonrisa O'Toole | 1871918300 | Case Manager/Care Coordinator | Nashua, NH | 2014 |
| Stephanie O'Toole, APRN | 1558785642 | Family Nurse Practitioner | Kansas City, MO | 2014 |
| Taylor O'Toole, OTR/L | 1700420437 | Occupational Therapist | Waxhaw, NC | 2019 |
| Teagan O'Toole, PA-C | 1457639247 | Physician Assistant | Rockland, ME | 2011 |
| Teena O'Toole, RN | 1861335630 | Registered Nurse | Fort Meade, SD | 2026 |
| Terese O'Toole | 1841493426 | Counselor | Portland, OR | 2007 |
| Terrance O'Toole, D.O | 1134281843 | Gastroenterology Physician | Cincinnati, OH | 2006 |
| Terrance O'Toole, R.PH. | 1942363684 | Pharmacist | San Diego, CA | 2006 |
| Terri O'Toole | 1770072480 | Clinical Social Worker | Northampton, MA | 2018 |
| Terry O'Toole, D.D.S. | 1447280060 | General Practice Dentistry | San Diego, CA | 2006 |
| Tessa O'Toole, MS, CNS | 1366060642 | Nutritionist | Skokie, IL | 2020 |
| Thomas O'Toole, M.D. | 1326363409 | Otolaryngology Physician | Sacramento, CA | 2010 |
| Thomas O'Toole, MHP | 1548732209 | Mental Health Counselor | Denver, CO | 2018 |
| Thomas O'Toole, M.D. | 1790705739 | Internal Medicine Physician | Providence, RI | 2006 |
| Thomas O'Toole, MD | 1841834140 | Internal Medicine Physician | Durham, NC | 2019 |
| Thomas O'Toole, MD | 1871648774 | Pediatrics Physician | Orlando, FL | 2007 |
| Tiffany O'Toole, MA, LPCA, NCC | 1508132853 | Mental Health Counselor | New Bern, NC | 2012 |
| Timothy O'Toole, MD | 1063488005 | Emergency Medicine Physician | Canton, OH | 2006 |
| Timothy O'Toole, DO | 1811526783 | Student in an Organized Health Care Education/Training Program | Roanoke, VA | 2020 |
| Todd O'Toole, BS | 1477811974 | Mental Health Counselor | Pittsburgh, PA | 2012 |
| Trisha O'Toole, RN | 1861892846 | Registered Nurse | Lexington, SC | 2014 |
| Tyler O'Toole, PT | 1730856725 | Physical Therapist | Trenton, GA | 2021 |
| Valerie O'Toole | 1801563192 | Speech-Language Pathologist | Davenport, FL | 2021 |
| Vanessa O'Toole, LICSW | 1154754687 | Clinical Social Worker | Plymouth, MA | 2013 |
| William O'Toole, M.D. | 1467474874 | Gastroenterology Physician | Sellersville, PA | 2006 |
| Megan O'Toole Choate | 1285944298 | Mental Health Counselor | Derry, NH | 2010 |
| Marybeth O'Toole Lawlor, NP | 1316277155 | Acute Care Nurse Practitioner | Valhalla, NY | 2009 |
| Susan O'Toole-Evans, M.D. | 1750463980 | General Practice Physician | Winter Haven, FL | 2006 |
| Erin O'Toole-Lyon, LCSW | 1043469463 | Clinical Social Worker | Richmond, VA | 2008 |
| Sheila O'Toole-Miller | 1548630486 | Addiction (Substance Use Disorder) Counselor | New Bedford, MA | 2015 |
| Kristina O'Toole-Montgomery, LCSW | 1023408226 | Clinical Social Worker | Lawrence, MA | 2015 |
| Patrice O'Toole-Wright, PT | 1346296886 | Physical Therapist | Lansing, MI | 2006 |
| Mary O'Truk, M.S. CCC-SLP | 1386863280 | Speech-Language Pathologist | Houston, TX | 2007 |
| Maria O'Tuel, PSYD | 1962494328 | Psychologist | Santa Clarita, CA | 2005 |
| Melanie O'Tuel, RN | 1891521613 | Registered Nurse | Surfside Beach, SC | 2024 |
| Sakina O'Uhuru, CNM | 1003937939 | Advanced Practice Midwife | Charlotte, NC | 2007 |
| Bruce O'Very, MD | 1225047996 | Pediatrics Physician | Logan, UT | 2006 |
| Sean O'Very, DO | 1316707524 | Student in an Organized Health Care Education/Training Program | Kansas City, MO | 2024 |
| Donna O'Vivion | 1356278907 | Community Health Worker | Martinsburg, WV | 2026 |
| Danielle O'Wade, MA LPC NCC | 1417304494 | Mental Health Counselor | Rostraver Township, PA | 2016 |
| Zoe O'Warren, PA | 1699329458 | Medical Physician Assistant | Tucson, AZ | 2019 |
| Bronwen O'Wril, NP | 1831142462 | Family Nurse Practitioner | Portland, ME | 2006 |
| Victorio O'Yek, M.D. | 1114012655 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Merrillville, IN | 2006 |
| Andrew O'Young, MD | 1407884067 | Internal Medicine Physician | Shreveport, LA | 2006 |
| Bryan O'Young, M.D. | 1891792909 | Pain Medicine (Physical Medicine & Rehabilitation) Physician | Bloomsburg, PA | 2005 |
| Jessica O'Young | 1891462586 | Speech-Language Pathologist | Northbrook, IL | 2021 |
| Lorna O'Young, M.D. | 1922287630 | Obstetrics & Gynecology Physician | Belleville, IL | 2007 |
| Theresa O'Young, RPH | 1780600494 | Pharmacist | Seattle, WA | 2006 |
| Christine O'Zee, SLPA | 1770174716 | Speech-Language Assistant | Oklahoma City, OK | 2021 |
| Vikki O,connor | 1942670880 | Registered Nurse | Rensselaer, NY | 2015 |
| Dawn O,neill | 1396922456 | Marriage & Family Therapist | Torrington, CT | 2008 |
| Pichaya O-Charoen, M.D. | 1508129040 | Student in an Organized Health Care Education/Training Program | Honolulu, HI | 2012 |
| Michael O-Doll | 1588437206 | Case Manager/Care Coordinator | Wheelersburg, OH | 2023 |
| Hanna O-Lee | 1992526875 | Behavior Technician | Ontario, CA | 2024 |
| Tsungju O-Lee, MD | 1265479745 | Otolaryngology Physician | Loma Linda, CA | 2006 |
| Uloaku O-Ogugua | 1881548188 | Registered Dietitian | Washington, DC | 2026 |
| Mara O. Monroe, MA, LPC, LMHC, LCADC | 1942398318 | Professional Counselor | Wharton, NJ | 2006 |
| Amanda O/bryan | 1629419742 | Registered Nurse | Joplin, MO | 2013 |
| Jennifer Oace, RN | 1285973701 | Registered Nurse | Dallas, OR | 2013 |
| Brianne Oachs | 1356191399 | Speech-Language Pathologist | Roseville, MN | 2024 |
| Finnigan Oachs | 1093441909 | Behavior Technician | Saint Paul, MN | 2022 |
| Heather Oachs | 1568889871 | Case Manager/Care Coordinator | Fargo, ND | 2014 |
| Holly Oachs, MA | 1780281295 | Mental Health Counselor | Otsego, MN | 2020 |
| Maelee Oachs | 1154952760 | Behavior Technician | Marshall, MN | 2020 |
| Marissa Oachs, ATC/ATR | 1457593451 | Athletic Trainer | Burnsville, MN | 2009 |
| Rebecca Oachs, MSW, LICSW | 1952840464 | Clinical Social Worker | Duluth, MN | 2017 |
| Sandra Oachs, LPN | 1134505597 | Licensed Practical Nurse | Grantsburg, WI | 2015 |
| Aakash Oad | 1447143151 | Family Medicine Physician | Janesville, WI | 2025 |
| Hira Oad, APN | 1659845998 | Family Nurse Practitioner | Glenview, IL | 2019 |
| Madhu Oad, MD | 1649833153 | Diagnostic Radiology Physician | East Meadow, NY | 2019 |
| Mehar Oad, M.D. | 1710910443 | Emergency Medicine Physician | Hillsboro, TX | 2006 |
| Meharchand Oad, D.O. | 1023558046 | Student in an Organized Health Care Education/Training Program | Scranton, PA | 2017 |
| Monika Oad | 1619780962 | Physical Therapy Assistant | Carrollton, TX | 2025 |
| Ramesh Oad | 1730451444 | Mental Health Counselor | Elgin, IL | 2012 |
| Saahil Oad | 1205791613 | Student in an Organized Health Care Education/Training Program | New York, NY | 2025 |
| Shayrin Oad, DO | 1568266948 | Pediatrics Physician | Park Ridge, IL | 2025 |
| Sonia Oad | 1699262485 | Anatomic Pathology & Clinical Pathology Physician | Modesto, CA | 2018 |
| Sussana Oad | 1992333157 | Emergency Medicine Physician | New York, NY | 2020 |
| Ateya Oaddams | 1972479269 | Behavior Technician | Deerfield Beach, FL | 2025 |
| Seneca Oaddams | 1033095518 | Behavior Technician | Hoffman Estates, IL | 2025 |
| Yvette Oaddams | 1699575530 | Mental Health Counselor | New Windsor, NY | 2025 |
| Peyton Oade | 1942059928 | Behavior Technician | Grandville, MI | 2024 |
| Corina Oades | 1740405109 | Endodontics | New York, NY | 2007 |
| Edward Oades, LVN | 1255819223 | Licensed Vocational Nurse | San Diego, CA | 2018 |
| Kelsey Oades, MS, CCC-SLP | 1073915906 | Speech-Language Pathologist | Portland, OR | 2014 |
| Kathleen Oades-Kelly, LPC | 1194949438 | Mental Health Counselor | Kansas City, MO | 2007 |
| Geraldine Oades-Sese, PH.D. | 1578923157 | Psychologist | Piscataway, NJ | 2016 |
| Aleth Oaferina, PT | 1235113754 | Physical Therapist | Laredo, TX | 2005 |
| Aleth Oaferina | 1235740317 | Physical Therapy Assistant | Laredo, TX | 2020 |
| Flenje Oaferina, DPT | 1063090645 | Physical Therapist | Fremont, CA | 2021 |
| Kharl Oaferina | 1437848207 | Physical Therapist | Cos Cob, CT | 2023 |
| Cassandra Oages | 1750012480 | Student in an Organized Health Care Education/Training Program | Ellenwood, GA | 2022 |
| Christine Oagley, OTR L, CHT, L.AC | 1215075676 | Occupational Therapist | Tucson, AZ | 2007 |
| Sharon Oaida, DMD | 1093401556 | General Practice Dentistry | Peoria, AZ | 2023 |
| Jafaru Oaikhena | 1164119681 | Behavior Technician | Tempe, AZ | 2023 |
| Juan Oajaca | 1497545057 | Behavior Analyst | Covina, CA | 2025 |
| Yakelin Oajaca Arredondo | 1083294300 | Behavior Technician | Gardena, CA | 2021 |
| Alanna Oak | 1053005322 | Developmental Therapist | Fort Smith, AR | 2023 |
| Allana Oak, DO | 1841369154 | Family Medicine Physician | Edgewood, KY | 2006 |
| Allen Oak, MD | 1760915078 | Student in an Organized Health Care Education/Training Program | Birmingham, AL | 2017 |
| Andre Oak | 1376684712 | Specialist | Elgin, IL | 2007 |
| Anya Oak, RN, CNP | 1679295612 | Women's Health Nurse Practitioner | Maple Grove, MN | 2022 |
| Atharv Oak | 1083419907 | Student in an Organized Health Care Education/Training Program | Baltimore, MD | 2025 |
| Atmaja Oak | 1659805240 | Physical Therapist | Baltimore, MD | 2017 |
| Avery Oak | 1255275889 | Social Worker | Cincinnati, OH | 2026 |
| Caroline Oak, PHARM.D. | 1780760074 | Pharmacist | Los Angeles, CA | 2006 |
| Chang Oak, MD | 1578514873 | Family Medicine Physician | Plymouth, NC | 2006 |
| Charles Oak, PHD, LMFT, LSW | 1861529141 | Marriage & Family Therapist | Louisville, KY | 2007 |
| Chauna Oak, RDH | 1740047620 | Dental Hygienist | Sanford, ME | 2024 |
| Chell Oak, LPC | 1770130460 | Mental Health Counselor | Portland, OR | 2019 |
| Christine Oak, MD | 1053949867 | Obstetrics & Gynecology Physician | Cleveland, OH | 2020 |
| Christine Oak, OTR | 1275192981 | Occupational Therapist | Whittier, CA | 2019 |
| Constance Oak, PTA, BS | 1174943955 | Physical Therapy Assistant | Olathe, CO | 2014 |
| Darla Oak | 1891868337 | Nurse Practitioner | Reseda, CA | 2006 |
| Dawn Oak | 1902100050 | Clinical Social Worker | Louisville, KY | 2011 |
| Devin Oak | 1629436944 | Neurorehabilitation Occupational Therapist | Louisville, KY | 2016 |
| Eric Oak, PHARM.D. | 1033455811 | Pharmacist | Lancaster, CA | 2012 |
| Erika Oak, PSY.D | 1659730448 | Psychologist | Ho Ho Kus, NJ | 2016 |
| Esther Oak, DMD | 1891303830 | General Practice Dentistry | Columbia, MD | 2020 |
| Eunhye Oak, MD | 1790305787 | Neurology Physician | Rapid City, SD | 2020 |
| Faith Oak | 1366273070 | Behavior Technician | Canoga Park, CA | 2024 |
| Fennec Oak | 1477075398 | Counselor | Olympia, WA | 2017 |
| Genessa Oak, OTR/L | 1700017035 | Occupational Therapist | Logan, UT | 2009 |
| Gracelyn Oak | 1871440230 | Behavior Technician | Yucaipa, CA | 2026 |
| Hayeon Oak, MD | 1295674984 | Student in an Organized Health Care Education/Training Program | West Hollywood, CA | 2026 |
| Heemyung Oak, PHARMD | 1861086126 | Pharmacist | Honolulu, HI | 2021 |
| Jack Oak, MD | 1326269648 | Vascular Surgery Physician | Bridgeton, MO | 2007 |
| Jaie Oak, D.D.S. | 1558700799 | Dentist | East Lansing, MI | 2013 |
| Jean Oak, MD, PHD | 1700178530 | Anatomic Pathology & Clinical Pathology Physician | Stanford, CA | 2011 |
| Jeanne Oak, LMP LICENCE MASSAGE | 1265590772 | Massage Therapist | Renton, WA | 2006 |
| John Oak, MD | 1124026646 | Cardiovascular Disease Physician | Evansville, IN | 2005 |
| Katherine Oak, LMP | 1831361252 | Massage Therapist | Seattle, WA | 2008 |
| Kourtney Oak, BT | 1366054033 | Behavior Analyst | Rogers, MN | 2020 |
| Kunal Oak, DO | 1578983102 | Physical Medicine & Rehabilitation Physician | Plainview, NY | 2014 |
| Laura Oak, PHARMD | 1881979201 | Pharmacist | Ballwin, MO | 2011 |
| Lauren Oak, CLC, PPD | 1154012102 | Doula | West Babylon, NY | 2023 |
| Lauren Oak | 1174953848 | Physical Rehabilitation Occupational Therapist | Kalamazoo, MI | 2013 |
| Linda Oak | 1770471443 | Homemaker | Alliance, NE | 2025 |
| Madison Oak, DPT | 1538783758 | Physical Therapist | Wilson, WY | 2020 |
| Margaret Oak, LMFT | 1154419893 | Marriage & Family Therapist | Logan, UT | 2006 |
| Michelle Oak, LMFT | 1942841036 | Marriage & Family Therapist | Louisville, KY | 2019 |
| Mina Oak, PHD | 1114051919 | Clinical Neuropsychologist | Orange, CA | 2007 |
| Nikhil Oak, MD | 1174844914 | Orthopaedic Hand Surgery Physician | Mc Lean, VA | 2010 |
| Nupoor Oak | 1295659829 | Mental Health Counselor | Lexington, MA | 2026 |
| Pooja Oak, OTR L CHT | 1316082514 | Occupational Therapist | Lawrenceville, NJ | 2007 |
| Prairie Oak | 1801086095 | Case Manager/Care Coordinator | McMinnville, OR | 2007 |
| Rachana Oak, D.O. | 1265842868 | Gastroenterology Physician | Brooklyn, NY | 2014 |
| Robert Oak, RPH | 1194825307 | Pharmacist | Kansas City, MO | 2006 |
| Sai Oak, OD | 1104712926 | Optometrist | Sturgeon Bay, WI | 2025 |
| Sameer Oak | 1154784049 | Orthopaedic Surgery Physician | Cleveland, OH | 2016 |
| Sangki Oak, MD | 1205463809 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2020 |
| Sara Oak, DDS | 1801994892 | Dentist | San Diego, CA | 2006 |
| Sayali Oak, PHARMD | 1669061248 | Pharmacist | Bridgeport, CT | 2021 |
| Sharmila Oak, MD | 1851787998 | Pediatrics Physician | Falls Church, VA | 2015 |
| Solomon Oak | 1699527184 | Student in an Organized Health Care Education/Training Program | New York, NY | 2024 |
| Sophia Oak, DMD | 1821837113 | Dentist | Honolulu, HI | 2024 |
| Steve Oak | 1467305508 | Speech-Language Pathologist | Los Angeles, CA | 2026 |
| Sujata Oak, MD | 1275503849 | Internal Medicine Physician | Dekalb, IL | 2006 |
| Sun Nam Oak, D.D.S | 1831331271 | Dentist | Honolulu, HI | 2009 |
| Tae Hoon Oak, L.AC | 1316214802 | Acupuncturist | Garden Grove, CA | 2011 |
| Yashada Oak | 1497612709 | Addiction (Substance Use Disorder) Counselor | San Francisco, CA | 2026 |
| Anuja Oak-Mathur | 1215571120 | Clinical Social Worker | New York, NY | 2019 |
| Corinne Oak-Schecter, M.S. CCC-SLP | 1821143363 | Speech-Language Pathologist | Chicago, IL | 2007 |
| Jean Oakar | 1083114482 | Mental Health Counselor | Cleveland, OH | 2018 |
| Leo Oakchunas, D.C. | 1407818057 | Chiropractor | Bethlehem, PA | 2006 |
| Ronald Oakdale, D.D.S. | 1477791002 | General Practice Dentistry | Park Ridge, IL | 2009 |
| David Oakden, LCSW | 1770671620 | Clinical Social Worker | St George, UT | 2006 |
| Emilee Oakden | 1992478648 | Professional Counselor | Salem, OR | 2021 |
| Jacklyn Oakden | 1396452561 | Licensed Practical Nurse | Champlin, MN | 2022 |
| Katherine Oakden, MD | 1992200257 | Internal Medicine Physician | Philadelphia, PA | 2018 |
| Mallori Oakden | 1225340482 | Social Worker | Cedar City, UT | 2010 |
| Margaret Oakden, PT | 1356402036 | Physical Therapist | Rochester, NY | 2006 |
| Matthew Oakden | 1033567862 | Physical Therapist | St George, UT | 2016 |
| Richard Oakden, M.D. | 1346245438 | Family Medicine Physician | Beaver, UT | 2005 |
| Pennie Oake | 1619404704 | Mental Health Counselor | Ayer, MA | 2017 |
| Rowan Oake, ASW | 1437859303 | Social Worker | San Francisco, CA | 2023 |
| Miranda Oakeley, FNP-BC | 1225711799 | Family Nurse Practitioner | Albuquerque, NM | 2023 |
| Louisa Oakenell, MD | 1437103363 | Emergency Medicine Physician | Ocala, FL | 2006 |
| Katherine Oakenshield, LMFT | 1598418352 | Marriage & Family Therapist | Chandler, AZ | 2022 |
| Chelsea Oakerson | 1982050225 | Social Worker | Portland, OR | 2016 |
| Jodi Oakerson | 1790535920 | Physical Therapist | Eugene, OR | 2024 |
| Michelle Oakerson, MD | 1790867703 | Family Medicine Physician | Indianapolis, IN | 2006 |
| Aaron Oakes | 1700146719 | Mental Health Counselor | Harrisburg, OR | 2012 |
| Alexandra Oakes, PA | 1831862713 | Physician Assistant | Monroe, NC | 2021 |
| Alice Oakes | 1275203317 | Behavior Technician | Ann Arbor, MI | 2021 |
| Alicia Oakes, LPN | 1194232447 | Licensed Practical Nurse | Elmira, NY | 2018 |
| Alicia Oakes, LMSW | 1619732666 | Mental Health Counselor | Idaho Falls, ID | 2024 |
| Alisha Oakes | 1134081995 | Registered Nurse | Plattsburgh, NY | 2025 |
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).