Providers Monica O'Hanlon, M.D. to Laura O'Hara, PHD, CCC-SLP
300 individual NPIs in the federal registry, part 16,031 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. 98 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Monica O'Hanlon, M.D. | 1114314069 | Student in an Organized Health Care Education/Training Program | Santa Rosa, CA | 2015 |
| Pamela O'Hanlon | 1669805909 | Acupuncturist | Fort Lauderdale, FL | 2013 |
| Patrick O'Hanlon, P.A. | 1942256896 | Physician Assistant | Cooperstown, NY | 2006 |
| Patti O'Hanlon, MSW | 1083812796 | Social Worker | Portland, OR | 2007 |
| Quinn O'Hanlon | 1356065809 | Addiction (Substance Use Disorder) Counselor | Roseville, CA | 2022 |
| Riley O'Hanlon | 1174486096 | Mental Health Counselor | Bristol, CT | 2025 |
| Shannon O'Hanlon, MS | 1073217337 | Behavior Analyst | Elmhurst, NY | 2023 |
| Shauna O'Hanlon | 1841508546 | School Social Worker | Port Jefferson, NY | 2010 |
| Sonia O'Hanlon, PTA | 1710222682 | Physical Therapy Assistant | Danbury, CT | 2012 |
| Thomas O'Hanlon, L.M.S.W. | 1417403213 | Social Worker | West Babylon, NY | 2016 |
| Victoria O'Hanlon, APRN FNP-C | 1427644210 | Family Nurse Practitioner | Marseilles, IL | 2020 |
| Megan O'Hanlon Solis, RN, MSN/MPH | 1932526712 | Community Health Registered Nurse | Washington, DC | 2014 |
| Alexandra O'Hannon, MSW | 1114254885 | Social Worker | Phoenix, AZ | 2009 |
| Mary O'Hannon, LCSW-A | 1598179996 | Clinical Social Worker | Hendersonville, NC | 2014 |
| Ashley O'Hanrahan, RN | 1104465053 | Registered Nurse | Buffalo, NY | 2019 |
| Levon O'Haodha, MD | 1700905213 | Emergency Medicine Physician | Ann Arbor, MI | 2007 |
| Abigail O'Hara, DPT | 1851983688 | Physical Therapist | Pleasant Hill, CA | 2021 |
| Adriane O'Hara, PT | 1285630863 | Physical Therapist | Round Rock, TX | 2005 |
| Adrienne O'Hara, LPC, NCC | 1760765176 | Professional Counselor | Narberth, PA | 2011 |
| Aiden O'Hara | 1285589002 | Behavior Technician | Elkhart, IN | 2026 |
| Aimee O'Hara, OTR | 1568588820 | Occupational Therapist | Philadelphia, PA | 2007 |
| Alaura O'Hara, BEHAVIOR ANALYST | 1508302449 | Behavior Analyst | Midland, MI | 2017 |
| Alex O'Hara | 1437616786 | Nurse Practitioner | Rochester, MN | 2019 |
| Alexa O'Hara, MD | 1205419009 | Nephrology Physician | Huntersville, NC | 2021 |
| Alexander O'Hara, MD | 1740922533 | Hematology & Oncology Physician | Maywood, IL | 2022 |
| Alison O'Hara, MSW | 1699068742 | Social Worker | Mukilteo, WA | 2011 |
| Alison O'Hara | 1841975604 | Physical Therapist | Woodstock, GA | 2023 |
| Alison O'Hara, PSYD | 1922439363 | Clinical Psychologist | Chicago, IL | 2013 |
| Alissa O'Hara, MA, BCBA, LBA | 1538627328 | Behavior Analyst | South Bend, IN | 2019 |
| Amanda O'Hara | 1710302567 | Case Manager/Care Coordinator | Port St Lucie, FL | 2014 |
| Amanda O'Hara | 1922893734 | Home Health Aide | Moundsville, WV | 2025 |
| Amanda O'Hara, DO | 1952830077 | Family Medicine Physician | Sacramento, CA | 2017 |
| Amber O'Hara, M.A., CCC-SLP | 1659017861 | Speech-Language Pathologist | Seattle, WA | 2022 |
| Amber O'Hara | 1740900703 | Student in an Organized Health Care Education/Training Program | Atlanta, GA | 2022 |
| Amy O'Hara, NMD | 1114119468 | Naturopath | Mesa, AZ | 2007 |
| Amy O'Hara | 1225846389 | Case Manager/Care Coordinator | Melville, NY | 2024 |
| Amy O'Hara | 1285451377 | Behavior Analyst | Myrtle Beach, SC | 2024 |
| Andrea O'Hara | 1861824112 | Behavior Analyst | Pocasset, MA | 2013 |
| Andrew O'Hara, DO | 1679739270 | Orthopaedic Surgery Physician | Orchard Park, NY | 2008 |
| Angela O'Hara, ARNP | 1154658235 | Family Nurse Practitioner | Gardner, KS | 2009 |
| Angela O'Hara, M.S., CCC-SLP | 1467599415 | Speech-Language Pathologist | Brighton, MA | 2007 |
| Angela O'Hara | 1700199874 | Certified Registered Nurse Anesthetist | Sunrise, FL | 2010 |
| Ani O'Hara, LMHC | 1336029529 | Mental Health Counselor | Seattle, WA | 2025 |
| Ann O'Hara, RN BSN | 1710256516 | Registered Nurse | Syracuse, NY | 2011 |
| Anna O'Hara, OTD | 1447983713 | Occupational Therapist | Richmond, VA | 2022 |
| Anne O'Hara, LCSW | 1386499556 | Clinical Social Worker | Blacksburg, VA | 2024 |
| Anne O'Hara, COTA | 1760773378 | Occupational Therapy Assistant | Buffalo, NY | 2011 |
| Anne Huitt O'Hara, FNP | 1053805978 | Family Nurse Practitioner | Rocky Mount, NC | 2018 |
| Anthony O'Hara, PT | 1154326478 | Pediatric Physical Therapist | Pennsburg, PA | 2005 |
| Anthony O'Hara | 1538055736 | Occupational Therapy Assistant | Brooklyn, NY | 2025 |
| Ashley O'Hara, LCSW | 1275764656 | Clinical Social Worker | Pittsburgh, PA | 2009 |
| Ashley O'Hara | 1760910491 | Speech-Language Pathologist | West Chester, OH | 2017 |
| Ashley O'Hara, LPN | 1942504915 | Licensed Practical Nurse | Williamsville, NY | 2011 |
| Audrey O'Hara, BCBA | 1467815845 | Behavior Analyst | Nashville, TN | 2016 |
| Avery O'Hara | 1679292791 | Athletic Trainer | Louisville, KY | 2022 |
| Barbara O'Hara, RPH | 1356384762 | Pharmacist | Fenton, MI | 2006 |
| Barbara O'Hara, LCSW | 1689098840 | Clinical Social Worker | New York, NY | 2014 |
| Bonnie O'Hara, CRNA | 1043324635 | Certified Registered Nurse Anesthetist | Portland, OR | 2006 |
| Bonnie O'Hara, CRNP | 1053817080 | Family Nurse Practitioner | Wynnewood, PA | 2018 |
| Bonnie O'Hara, COTA | 1679696926 | Occupational Therapy Assistant | Nashville, TN | 2007 |
| Breelin O'Hara, PA-C | 1619393246 | Physician Assistant | Boston, MA | 2014 |
| Brenda O'Hara, MD | 1487664496 | Family Medicine Physician | Fort Wayne, IN | 2006 |
| Brendan O'Hara, DMD | 1518488006 | General Practice Dentistry | Fort Wayne, IN | 2017 |
| Brendan O'Hara, MD | 1609852920 | Emergency Medicine Physician | Charleston, WV | 2005 |
| Brian O'Hara, M.D. | 1316955982 | Anatomic Pathology & Clinical Pathology Physician | Philadelphia, PA | 2006 |
| Brian O'Hara, M.D. | 1386994697 | Pediatrics Physician | Honolulu, HI | 2012 |
| Brian O'Hara, MD | 1568459113 | Internal Medicine Physician | Dickinson, ND | 2005 |
| Brian O'Hara | 1619233020 | Anesthesiology Physician | Boston, MA | 2012 |
| Brian O'Hara, MS-SLP | 1891196549 | Speech-Language Pathologist | Austin, TX | 2014 |
| Brianna O'Hara, MD | 1083553051 | Family Medicine Physician | Youngstown, OH | 2026 |
| Brianna O'Hara, SPL | 1336622216 | Speech-Language Pathologist | Sacramento, CA | 2018 |
| Bridget O'Hara, LSW | 1326890641 | Social Worker | Wilmington, DE | 2024 |
| Bridget O'Hara, PA-C | 1942971957 | Physician Assistant | New York, NY | 2021 |
| Brigid O'Hara, PT | 1386055366 | Physical Therapist | Wichita, KS | 2014 |
| Brittnay O'Hara, RN | 1871251256 | Emergency Registered Nurse | Camp Hill, PA | 2021 |
| Brittney O'Hara, NP-C | 1891347936 | Family Nurse Practitioner | Kingsport, TN | 2019 |
| Bryce O'Hara | 1992515399 | Physical Therapist | Danville, CA | 2025 |
| Cailyn O'Hara | 1689313421 | Case Manager/Care Coordinator | New Orleans, LA | 2022 |
| Caitlin O'Hara, LCMHCA | 1114691490 | Mental Health Counselor | Greensboro, NC | 2021 |
| Caitlyn O'Hara, LCSW | 1336555176 | Clinical Social Worker | New London, CT | 2014 |
| Caitlyn O'Hara, CPO | 1487408159 | Orthotist | Durham, NC | 2024 |
| Caitlyn O'Hara, MFT | 1801034368 | Marriage & Family Therapist | Culver City, CA | 2009 |
| Carey O'Hara | 1629598479 | Case Manager/Care Coordinator | Fort Myers, FL | 2017 |
| Carissa O'Hara, NP-FAMILY | 1457693657 | Family Nurse Practitioner | Stillwater, MN | 2013 |
| Carleen O'Hara | 1265188767 | Certified Registered Nurse Anesthetist | Cleveland, OH | 2022 |
| Carman O'Hara | 1962213819 | Marriage & Family Therapist | West Sacramento, CA | 2025 |
| Carmen O'Hara, LICSW | 1346728979 | School Social Worker | Boston, MA | 2018 |
| Carole O'Hara, R.P.T. | 1396808838 | Physical Therapist | Pelham, AL | 2006 |
| Caroline O'Hara, DPT | 1609757236 | Physical Therapist | Charleston, SC | 2025 |
| Carolyn O'Hara, ATC | 1942339817 | Athletic Trainer | Exeter, NH | 2007 |
| Carson O'Hara, DDS | 1255250163 | Dentist | Wilmington, NC | 2026 |
| Casey O'Hara, PSY.D. | 1083382295 | Psychologist | Coatesville, PA | 2021 |
| Casey O'Hara, DPT | 1518504000 | Physical Therapist | San Diego, CA | 2019 |
| Casey O'Hara, LCSW | 1992461149 | Clinical Social Worker | Monroeville, PA | 2021 |
| Cassandra O'Hara, BCBA | 1538013917 | Behavior Analyst | Evergreen, CO | 2026 |
| Cassie O'Hara, CNM | 1679903553 | Midwife | Brooklyn, NY | 2013 |
| Catherine O'Hara, RN | 1487064192 | Registered Nurse | Countryside, IL | 2014 |
| Catherine O'Hara, M.D. | 1700015500 | Internal Medicine Physician | Pittsburgh, PA | 2009 |
| Catherine O'Hara, MSW | 1922430412 | Social Worker | Beverly, MA | 2013 |
| Charles O'Hara, PH.D. | 1134384340 | Clinical Psychologist | Tucson, AZ | 2008 |
| Chelsea O'Hara, PHARMD | 1568227783 | Pharmacist | Philadelphia, PA | 2024 |
| Chelsea O'Hara, BCBA | 1891318010 | Behavior Analyst | Mt Juliet, TN | 2020 |
| Chinwe O'Hara, NP-C | 1538796008 | Family Nurse Practitioner | Marietta, GA | 2020 |
| Christa O'Hara | 1821421090 | Counselor | Salt Lake City, UT | 2013 |
| Christiana O'Hara, MS CCC-SLP | 1326652108 | Speech-Language Pathologist | New Haven, CT | 2020 |
| Christina O'Hara, M.D. | 1770876617 | Public Health & General Preventive Medicine Physician | Fort Sam Houston, TX | 2011 |
| Christina O'Hara | 1881136208 | Licensed Psychiatric Technician | Orange, CA | 2016 |
| Christine O'Hara, R.PH. | 1033400973 | Pharmacist | Rittman, OH | 2011 |
| Christine O'Hara | 1720572944 | Case Manager/Care Coordinator | Indianapolis, IN | 2018 |
| Christopher O'Hara, M.D | 1669424941 | Pediatrics Physician | Hershey, PA | 2006 |
| Christopher O'Hara, MD | 1679032593 | Critical Care Medicine (Internal Medicine) Physician | McHenry, IL | 2019 |
| Cole O'Hara, M.D. | 1407099476 | Emergency Medicine Physician | Fort Collins, CO | 2009 |
| Colette O'Hara, MSW | 1528582749 | Mental Health Counselor | Salem, MA | 2017 |
| Colin O'Hara, DO | 1134803836 | Emergency Medicine Physician | Allentown, PA | 2023 |
| Colleen O'Hara, M.S. SLP-CCC/L | 1265905913 | Speech-Language Pathologist | Homer Glen, IL | 2019 |
| Colleen O'Hara, MS. LMFT | 1396098778 | Marriage & Family Therapist | Arcadia, CA | 2012 |
| Colleen O'Hara, LCPC | 1588730188 | Professional Counselor | Palos Heights, IL | 2006 |
| Colleen O'Hara, D.C. | 1942741335 | Chiropractor | Rockford, MI | 2017 |
| Collin O'Hara, MD | 1649400094 | Anatomic Pathology & Clinical Pathology Physician | Rowlett, TX | 2009 |
| Courtney O'Hara | 1215506399 | Mental Health Counselor | Rochester, NY | 2021 |
| Crystal O'Hara, MSA | 1508571506 | Specialist | Oswego, NY | 2023 |
| Daniel O'Hara, RPA-C | 1083644363 | Surgical Physician Assistant | Rochester, NY | 2006 |
| Daniel O'Hara | 1366590697 | Audiologist | Southfield, MI | 2007 |
| Daniel O'Hara, M.D. | 1396753992 | Plastic Surgery Physician | Boca Raton, FL | 2006 |
| Danielle O'Hara, MD | 1871114264 | Student in an Organized Health Care Education/Training Program | Chapel Hill, NC | 2020 |
| David O'Hara, M.D. | 1114981305 | Emergency Medicine Physician | Tinker Afb, OK | 2006 |
| David O'Hara, D.D.S. | 1972630192 | General Practice Dentistry | Lubbock, TX | 2007 |
| Deborah O'Hara, RN | 1942748918 | Registered Nurse | Brooklyn, NY | 2017 |
| Debrah O'Hara, DC | 1629638911 | Chiropractor | Baton Rouge, LA | 2019 |
| Denis O'Hara, PT, DPT | 1235004540 | Physical Therapist | New York, NY | 2025 |
| Denise O'Hara, MSN, CRNP | 1669726907 | Adult Health Nurse Practitioner | Willow Grove, PA | 2012 |
| Dennis O'Hara, DC | 1235229097 | Sports Physician Chiropractor | Chantilly, VA | 2006 |
| Dennis O'Hara, D.C. | 1801993704 | Chiropractor | Waterloo, IA | 2006 |
| Dennis O'Hara, PH.D., ABPP | 1952420481 | Clinical Psychologist | Exton, PA | 2007 |
| Devin O'Hara, D.O. | 1962934349 | Physical Medicine & Rehabilitation Physician | Crestview, FL | 2017 |
| Diane O'Hara | 1285076448 | Registered Nurse | Tonawanda, NY | 2013 |
| Donna O'Hara, ARNP | 1710186267 | Acute Care Nurse Practitioner | Fruitland Park, FL | 2007 |
| Donna O'Hara, AGACNP-BC | 1790101269 | Acute Care Nurse Practitioner | Stamford, CT | 2014 |
| Dorene O'Hara, MD | 1679656607 | Anesthesiology Physician | Reston, VA | 2006 |
| Dorothy O'Hara, NP | 1508118167 | Nurse Practitioner | Doylestown, PA | 2012 |
| Eamon O'Hara, RADT | 1225506504 | Addiction (Substance Use Disorder) Counselor | Newbury Park, CA | 2018 |
| Earl O'Hara, D.D.S. | 1174631626 | General Practice Dentistry | Salina, KS | 2006 |
| Ed O'Hara, LCSW | 1104961473 | Clinical Social Worker | Park Ridge, IL | 2007 |
| Edward O'Hara, M.D. | 1124313093 | General Practice Physician | Corning, CA | 2011 |
| Edward O'Hara, M.D. | 1629279567 | Internal Medicine Physician | Tuckerton, NJ | 2007 |
| Eileen O'Hara, CRNA | 1124228432 | Certified Registered Nurse Anesthetist | Atlantis, FL | 2007 |
| Eileen O'Hara | 1831240712 | Gerontology Nurse Practitioner | New York, NY | 2007 |
| Elice O'Hara, OD | 1316514250 | Optometrist | Chesapeake, VA | 2021 |
| Elise O'Hara | 1881992402 | Occupational Therapist | West Newbury, MA | 2011 |
| Elizabeth O'Hara, PHARM.D. | 1255687463 | Pharmacist | Reno, NV | 2012 |
| Elizabeth O'Hara | 1265738710 | Doula | Parkville, MD | 2011 |
| Elizabeth O'Hara, LPC | 1487139564 | Professional Counselor | San Antonio, TX | 2018 |
| Elizabeth O'Hara | 1588537344 | Behavior Technician | Port Townsend, WA | 2025 |
| Elizabeth O'Hara | 1790384857 | Behavior Analyst | Van Nuys, CA | 2020 |
| Elizabeth O'Hara, LCSW-C | 1871643106 | Clinical Social Worker | Lancaster, PA | 2007 |
| Elizabeth O'Hara | 1891675393 | Physician Assistant | Boston, MA | 2025 |
| Ellen O'Hara, D.C. | 1265746838 | Chiropractor | Lake Oswego, OR | 2010 |
| Emily O'Hara | 1013798719 | Mental Health Counselor | Seattle, WA | 2023 |
| Emily O'Hara, MSS, LICSW | 1215729512 | Clinical Social Worker | Minneapolis, MN | 2025 |
| Emily O'Hara | 1912547969 | Clinical Psychologist | North Chicago, IL | 2020 |
| Emily O'Hara, DDS | 1992356943 | Dentist | Chattanooga, TN | 2019 |
| Eric O'Hara, MD | 1942144704 | Student in an Organized Health Care Education/Training Program | Jacksonville, FL | 2026 |
| Erin O'Hara | 1043990401 | Pediatric Occupational Therapist | Rockaway, NJ | 2023 |
| Erin O'Hara | 1063358919 | Registered Nurse | Sacramento, CA | 2026 |
| Erin O'Hara, NP | 1083917751 | Pediatric Nurse Practitioner | Orlando, FL | 2010 |
| Erin O'Hara, LMSW | 1518716547 | Social Worker | Manchester, MD | 2024 |
| Erin O'Hara, DPT | 1528313897 | Physical Therapist | Bartlett, TN | 2012 |
| Erin O'Hara | 1528823754 | Mental Health Counselor | Danvers, MA | 2024 |
| Erin O'Hara, PA-C | 1770442493 | Emergency Medicine Physician | Rochester, MN | 2026 |
| Erin O'Hara, PT | 1811496912 | Physical Therapist | Bakersfield, CA | 2018 |
| Erin O'Hara, D.O. | 1871882266 | Family Medicine Physician | Wilmington, CA | 2011 |
| Erin O'Hara, M.D. | 1942407077 | Internal Medicine Physician | Gardner, MA | 2007 |
| Felecia O'Hara, LCSW | 1215015227 | Clinical Social Worker | Nashville, TN | 2006 |
| Francis O'Hara | 1700579513 | Optician | Neptune, NJ | 2023 |
| Gabe O'Hara | 1922892405 | Student in an Organized Health Care Education/Training Program | Richmond, VA | 2025 |
| Gary O'Hara, M.D. | 1033121207 | Obstetrics & Gynecology Physician | San Diego, CA | 2006 |
| Gary O'Hara, DDS | 1366421513 | Dentist | Salina, KS | 2006 |
| Gayle O'Hara, L.C.S.W. | 1891970885 | Clinical Social Worker | Los Angeles, CA | 2008 |
| George O'Hara | 1073405908 | Student in an Organized Health Care Education/Training Program | Brooklyn, NY | 2025 |
| George O'Hara | 1881262962 | Case Manager/Care Coordinator | Aloha, OR | 2021 |
| Gianna O'Hara, DO | 1467980961 | Geriatric Medicine (Internal Medicine) Physician | Vancouver, WA | 2017 |
| Gina O'Hara, PHARMD, PHC, RPH | 1326389669 | Pharmacist | Taos, NM | 2013 |
| Gina O'Hara | 1487043964 | Medical Physician Assistant | Baltimore, MD | 2015 |
| Gracie O'Hara | 1932885001 | Behavior Analyst | Belleview, FL | 2023 |
| Hailey O'Hara | 1720865298 | Behavior Technician | Winter Garden, FL | 2023 |
| Haylee O'Hara, PLMFT | 1235817461 | Marriage & Family Therapist | Springfield, MO | 2023 |
| Hayley O'Hara, MS, CCC-SLP | 1790313310 | Speech-Language Pathologist | Alpharetta, GA | 2020 |
| Heather O'Hara, PNP | 1265194062 | Pediatric Nurse Practitioner | Williamsville, NY | 2021 |
| Heather O'Hara | 1396369070 | Behavior Technician | Waipahu, HI | 2020 |
| Heather O'Hara, LCSW | 1760856819 | Clinical Social Worker | St Charles, IL | 2015 |
| Heather O'Hara, M.D. | 1942525647 | Occupational Medicine Physician | Decatur, IL | 2010 |
| Holland O'Hara | 1235004151 | Student in an Organized Health Care Education/Training Program | Lloyd Harbor, NY | 2025 |
| Holly O'Hara | 1801734827 | Student in an Organized Health Care Education/Training Program | Columbus, OH | 2026 |
| Hope O'Hara, LCSW-C | 1962782250 | Clinical Social Worker | Catonsville, MD | 2011 |
| Ingrid O'Hara, M.S., P.T. | 1619305802 | Physical Therapist | Andover, MA | 2013 |
| Irene O'Hara, MD | 1871568576 | Anesthesiology Physician | Sunrise, FL | 2006 |
| Isabella O'Hara | 1144057316 | Behavior Technician | El Segundo, CA | 2024 |
| Jack O'Hara | 1255278990 | Student in an Organized Health Care Education/Training Program | Chapel Hill, NC | 2026 |
| Jack O'Hara | 1568393171 | Student in an Organized Health Care Education/Training Program | East Lansing, MI | 2026 |
| Jaclyn O'Hara, B.S. | 1528474947 | Behavior Analyst | Tallahassee, FL | 2014 |
| James O'Hara, FNP-C | 1003480203 | Nurse Practitioner | Leawood, KS | 2021 |
| James O'Hara, PA | 1043661820 | Physician Assistant | Falls Church, VA | 2016 |
| James O'Hara, M.A. | 1114918299 | Audiologist | Bremerton, WA | 2005 |
| James O'Hara, PHARMD | 1154258192 | Pharmacist | Clarks Summit, PA | 2026 |
| James O'Hara | 1225449135 | Orthopaedic Surgery Physician | Fresno, CA | 2014 |
| Jamie O'Hara | 1295454783 | Health Educator | Newark, DE | 2022 |
| Jamie O'Hara, PHARMD | 1871975656 | Pharmacist | Rochester, MN | 2015 |
| Jane O'Hara | 1114102613 | Speech-Language Pathologist | Needham, MA | 2008 |
| Janellen O'Hara | 1003059817 | Community Health Worker | Oakland, CA | 2009 |
| Janet O'Hara, NP | 1215970066 | Nurse Practitioner | Savannah, GA | 2006 |
| Janet O'Hara, MD | 1902995731 | Internal Medicine Physician | Chardon, OH | 2006 |
| Janine O'Hara, R.N. | 1518094143 | Community Health Registered Nurse | Long Beach, CA | 2007 |
| Jay O'Hara | 1114358959 | Physician Assistant | Tripler Army Medical Center, HI | 2013 |
| Jeanette O'Hara, PT | 1750726931 | Pediatric Physical Therapist | Tulsa, OK | 2013 |
| Jeffrey O'Hara, D.C. | 1477832194 | Rehabilitation Chiropractor | Windsor, CO | 2011 |
| Jennifer O'Hara, PTA | 1396945978 | Physical Therapy Assistant | Coopersburg, PA | 2007 |
| Jennifer O'Hara | 1942699467 | Athletic Trainer | Moraga, CA | 2015 |
| Jennum O'Hara, M.AC., L.AC. | 1861898983 | Acupuncturist | Columbia, MD | 2014 |
| Jerome O'Hara, MD | 1558325381 | Anesthesiology Physician | Cleveland, OH | 2006 |
| Jessie Marie O'Hara | 1477203792 | Mental Health Counselor | Chicago, IL | 2022 |
| Jill O'Hara, MD | 1700270733 | Pediatric Critical Care Medicine Physician | Boston, MA | 2015 |
| Jillian O'Hara, PA-C | 1588179402 | Physician Assistant | Camden, NJ | 2017 |
| Joanna O'Hara | 1952087710 | Student in an Organized Health Care Education/Training Program | New York, NY | 2023 |
| Jodi O'Hara, OT | 1467620203 | Community Health Worker | Nashville, TN | 2008 |
| Jody O'Hara | 1538510441 | Physician Assistant | Minneapolis, MN | 2016 |
| John O'Hara, R. PH. | 1265767156 | Pharmacist | Hillsboro, OH | 2009 |
| John O'Hara, M.D. | 1326303124 | Anesthesiology Physician | Brockton, MA | 2012 |
| John O'Hara, MD | 1558331967 | Orthopaedic Surgery Physician | Southfield, MI | 2006 |
| John O'Hara, PSY.D. | 1700553823 | Clinical Neuropsychologist | Hartford, CT | 2021 |
| John O'Hara, MD | 1811056559 | Pain Medicine (Anesthesiology) Physician | Elgin, IL | 2006 |
| Joseph O'Hara, MD | 1295677987 | Student in an Organized Health Care Education/Training Program | Memphis, TN | 2026 |
| Joseph O'Hara, M.D. | 1316393341 | Forensic Pathology Physician | San Jose, CA | 2016 |
| Josephine O'Hara, CPNP | 1508252040 | Psychiatric/Mental Health Nurse Practitioner | Newark, NJ | 2015 |
| Joyce O'Hara | 1265898746 | Registered Nurse | Scranton, PA | 2016 |
| Julia O'Hara, PA | 1336734631 | Physician Assistant | Ypsilanti, MI | 2021 |
| Julia O'Hara, CPNP, CPN, CPHON | 1912370636 | Pediatric Nurse Practitioner | Indianapolis, IN | 2015 |
| Julianne O'Hara | 1205392230 | Marriage & Family Therapist | San Diego, CA | 2019 |
| Julianne O'Hara | 1598186066 | Contractor | San Francisco, CA | 2013 |
| Julie O'Hara, LICSW | 1427068121 | Clinical Social Worker | Acton, MA | 2006 |
| Juliette O'Hara, BA | 1245076504 | Case Manager/Care Coordinator | Denver, CO | 2024 |
| Jun O'Hara | 1265038327 | Speech-Language Pathologist | Chula Vista, CA | 2020 |
| Justine O'Hara | 1669405403 | Physical Therapist | East Providence, RI | 2006 |
| Kaitlin O'Hara | 1700391299 | Occupational Therapist | Los Angeles, CA | 2017 |
| Kaitlin O'Hara, PT, DPT | 1982019931 | Pediatric Physical Therapist | Ypsilanti, MI | 2014 |
| Kaitlyn O'Hara | 1285464800 | Pediatric Nurse Practitioner | Silver Spring, MD | 2024 |
| Kaitlyn O'Hara, CPC-I | 1609573989 | Mental Health Counselor | Reno, NV | 2023 |
| Kaleigh O'Hara | 1619340684 | Registered Dietetic Technician | Chagrin Falls, OH | 2015 |
| Kara O'Hara, CRNP | 1003504093 | Family Nurse Practitioner | Lancaster, PA | 2023 |
| Karen O'Hara | 1275220881 | Community Health Worker | Cheyenne, WY | 2023 |
| Karen O'Hara | 1487809026 | Pediatric Nurse Practitioner | Fairfax, VA | 2008 |
| Karen O'Hara, RNP | 1518155076 | Obstetrics & Gynecology Nurse Practitioner | Corona, CA | 2007 |
| Karen O'Hara, LPN | 1598938029 | Licensed Practical Nurse | North Syracuse, NY | 2008 |
| Karen O'Hara | 1982922175 | Mental Health Counselor | Hobart, OK | 2010 |
| Kasey O'Hara | 1134884786 | Audiologist | Reno, NV | 2021 |
| Katelyn O'Hara, LCSW | 1467965269 | Clinical Social Worker | Marlton, NJ | 2017 |
| Katherine O'Hara, LMSW | 1154969913 | School Social Worker | Rochester, NY | 2019 |
| Katherine O'Hara, D.D.S. | 1235350950 | General Practice Dentistry | Kettering, OH | 2007 |
| Katherine O'Hara, O.D. | 1568905859 | Optometrist | Murfreesboro, TN | 2016 |
| Katherine O'Hara | 1861639171 | Addiction (Substance Use Disorder) Counselor | Plattsburgh, NY | 2009 |
| Katherine O'Hara, M.ED, RD, RDN, LD | 1992666457 | Registered Dietitian | Tulsa, OK | 2025 |
| Kathleen O'Hara | 1083385264 | Attendant Care Provider | Mattydale, NY | 2021 |
| Kathleen O'Hara, MA | 1104088855 | Counselor | Philadelphia, PA | 2008 |
| Kathleen O'Hara, M.D. | 1114970183 | Surgical Critical Care Physician | Hackensack, NJ | 2006 |
| Kathleen O'Hara, MA,CCC | 1174062541 | Speech-Language Pathologist | Dobbs Ferry, NY | 2017 |
| Kathleen O'Hara, LCSW | 1295892313 | Clinical Social Worker | Berwyn, IL | 2007 |
| Kathleen O'Hara, MD | 1518602200 | Pediatrics Physician | Norfolk, VA | 2022 |
| Kathleen O'Hara, LCSW | 1760749832 | Clinical Social Worker | Palatine, IL | 2012 |
| Kathleen O'Hara | 1972939395 | Specialist | Roosevelt, NY | 2013 |
| Kathryn O'Hara | 1497553945 | Behavior Technician | Monrovia, CA | 2025 |
| Kathy O'Hara, D.O. | 1619989704 | Emergency Medicine Physician | Philadelphia, PA | 2006 |
| Katlin O'Hara, D.P.M | 1437503422 | Primary Podiatric Medicine Podiatrist | Lancaster, SC | 2016 |
| Kay O'Hara, D.C. | 1780760371 | Chiropractor | Baltimore, MD | 2006 |
| Kaycee O'Hara, PA | 1649609611 | Physician Assistant | Scottsdale, AZ | 2013 |
| Kellie O'Hara, FNP | 1316066079 | Nurse Practitioner | Denver, NC | 2007 |
| Kelly O'Hara | 1003928920 | Physical Therapist | Englewood, CO | 2006 |
| Kelly O'Hara, M.D. | 1316171812 | Internal Medicine Physician | Boston, MA | 2009 |
| Kelly O'Hara | 1578090551 | Registered Dietitian | Fort Wayne, IN | 2017 |
| Kelly O'Hara | 1932585080 | Speech-Language Pathologist | Spartanburg, SC | 2015 |
| Kelly O'Hara | 1982338323 | Attendant Care Provider | Lincoln, NE | 2022 |
| Kennedy O'Hara | 1578343711 | Gerontology Nurse Practitioner | Uniondale, NY | 2023 |
| Kerry O'Hara, APRN | 1265989438 | Family Nurse Practitioner | Lebanon, NH | 2016 |
| Kevin O'Hara, PA | 1235463522 | Medical Physician Assistant | New Haven, CT | 2009 |
| Kevin O'Hara, DC | 1326203787 | Chiropractor | Barrington, IL | 2008 |
| Kevin O'Hara | 1407627631 | Certified Registered Nurse Anesthetist | Fort Wayne, IN | 2024 |
| Kevin O'Hara, MD | 1538100672 | Internal Medicine Physician | Wilmington, DE | 2006 |
| Kevin O'Hara, MD | 1821793464 | Emergency Medicine Physician | Honolulu, HI | 2023 |
| Kim O'Hara, RN | 1003578980 | Registered Nurse | Sound Beach, NY | 2021 |
| Kimberly O'Hara, M.D. | 1225323587 | Hospitalist Physician | Aurora, CO | 2011 |
| Kimberly O'Hara, PHARMD | 1659708725 | Pharmacist | Homewood, IL | 2013 |
| Kristen O'Hara, AU.D. | 1376838359 | Audiologist | Northport, NY | 2011 |
| Kristen O'Hara, APRN | 1982312278 | Family Nurse Practitioner | Littleton, NH | 2022 |
| Kristena O'Hara, LCSW | 1043300973 | Clinical Social Worker | Beverly, MA | 2006 |
| Kristin O'Hara, LMFT | 1275042533 | Marriage & Family Therapist | Redmond, WA | 2017 |
| Kyerstyn O'Hara, LCSW | 1073309951 | Clinical Social Worker | Philadelphia, PA | 2025 |
| Kyle O'Hara | 1346810231 | General Practice Dentistry | Myrtle Point, OR | 2021 |
| Kyle O'Hara | 1881055283 | Family Nurse Practitioner | Napa, CA | 2016 |
| Kylee O'Hara, PT, DPT | 1780467670 | Physical Therapist | Norwich, NY | 2023 |
| Kylie O'Hara | 1386524122 | Mental Health Counselor | Westampton, NJ | 2025 |
| Lacey O'Hara, PA-C | 1346512688 | Physician Assistant | Ridley Park, PA | 2012 |
| Laura O'Hara, PHD, CCC-SLP | 1548818024 | Speech-Language Pathologist | Collinsville, IL | 2019 |
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).