Providers Christine O'Malley, RN to Sally O'Malley, CCC-SLP
300 individual NPIs in the federal registry, part 16,039 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. 88 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Christine O'Malley, RN | 1801773130 | Case Management Registered Nurse | Madison, WI | 2025 |
| Christopher O'Malley, PTA | 1467146977 | Physical Therapy Assistant | Hinesville, GA | 2023 |
| Ciara O'Malley | 1013656909 | Athletic Trainer | Newburyport, MA | 2022 |
| Clara O'Malley, C- PA | 1164810495 | Medical Physician Assistant | Medina, OH | 2015 |
| Claudia O'Malley, RPH | 1497903827 | Pharmacist | New Bern, NC | 2008 |
| Colby O'Malley, RBT | 1740861616 | Behavior Technician | Greenwood, IN | 2021 |
| Colin O'Malley | 1669282869 | Day Training/Habilitation Specialist | Oakland, CA | 2025 |
| Colleen O'Malley | 1245639590 | Physical Therapist | Centerburg, OH | 2014 |
| Connor O'Malley | 1265354914 | Student in an Organized Health Care Education/Training Program | Pomona, CA | 2026 |
| Connor O'Malley | 1912765819 | Occupational Therapist | Smithtown, NY | 2024 |
| Courtney O'Malley, LPCC, LADC | 1770975690 | Mental Health Counselor | Saint Cloud, MN | 2015 |
| Crystal O'Malley, M.S.E., CCC-SLP | 1205068681 | Speech-Language Pathologist | Andover, MN | 2009 |
| Daniel O'Malley, MPT | 1285847947 | Physical Therapist | Waterloo, IA | 2007 |
| Daniel O'Malley, MA CAGS | 1407992043 | Mental Health Counselor | Springfield, MA | 2007 |
| Daniel O'Malley, OTR/L | 1518588870 | Occupational Therapist | San Diego, CA | 2020 |
| Daniel O'Malley | 1588346563 | Certified Registered Nurse Anesthetist | Lauderdale Lakes, FL | 2023 |
| Daniel O'Malley | 1609733641 | Student in an Organized Health Care Education/Training Program | Portland, ME | 2026 |
| Daniel O'Malley, DO | 1811932056 | Family Medicine Physician | Bartlett, IL | 2006 |
| Danielle O'Malley | 1508287756 | Clinical Social Worker | Bronx, NY | 2013 |
| Danielle O'Malley, PTA | 1750750816 | Physical Therapy Assistant | Bridgewater, NJ | 2015 |
| Danielle O'Malley | 1851408793 | Mental Health Counselor | Greeley, CO | 2006 |
| Darren O'Malley | 1417709007 | Physician Assistant | Boston, MA | 2024 |
| David O'Malley, MSW, PH.D., LICSW | 1497239321 | Social Worker | Hingham, MA | 2018 |
| David O'Malley, DC | 1588213342 | Chiropractor | Denver, CO | 2019 |
| David O'Malley, M.D. | 1609819424 | Gynecologic Oncology Physician | Hilliard, OH | 2006 |
| Dawn O'Malley, PSY.D. | 1730246620 | Clinical Psychologist | Charlotte, NC | 2007 |
| Debra O'Malley, MD | 1760458483 | Critical Care Medicine (Obstetrics & Gynecology) Physician | Melrose Park, IL | 2006 |
| Debra O'Malley, M.A., LPC | 1932315918 | Professional Counselor | N Kansas City, MO | 2007 |
| Deidre O'Malley, BSN RN LAC. | 1285952929 | Acupuncturist | Middletown, CA | 2010 |
| Deirdre O'Malley, PSY.D. | 1245539147 | Psychologist | Ridgewood, NJ | 2011 |
| Deirdre O'Malley | 1295405256 | Pediatric Occupational Therapist | Charlotte, NC | 2021 |
| Denalee O'Malley, MSW | 1316349699 | Social Worker | E Brunswick, NJ | 2014 |
| Dennis O'Malley, M.D. | 1184681223 | Clinical Pathology/Laboratory Medicine Physician | Aliso Viejo, CA | 2006 |
| Diane O'Malley, BA | 1053555185 | Case Manager/Care Coordinator | Lyons, NY | 2009 |
| Diane O'Malley, OTR | 1639405897 | Environmental Modification Occupational Therapist | Venice, FL | 2009 |
| Don O'Malley, LCSW CACII SAP CEAP | 1992816979 | Clinical Social Worker | Denver, CO | 2006 |
| Donald O'Malley, M.D. | 1598737090 | Specialist | Falmouth, MA | 2006 |
| Donald O'Malley, M.D. | 1750453916 | Orthopaedic Surgery Physician | Raleigh, NC | 2006 |
| Donna O'Malley | 1114083136 | Specialist | New York, NY | 2006 |
| Donna O'Malley, LADC | 1184371031 | Professional Counselor | East Grand Forks, MN | 2022 |
| Edward O'Malley, OTR/L | 1609003599 | Occupational Therapist | Liberty, NY | 2009 |
| Edward O'Malley, M.P.T. | 1861425761 | Physical Therapist | Romeoville, IL | 2006 |
| Edward O'Malley, M.D. | 1942385646 | Ophthalmology Physician | Detroit, MI | 2006 |
| Eileen O'Malley, PA-C | 1104889062 | Physician Assistant | Westlake, OH | 2006 |
| Eileen O'Malley, LPN | 1598082653 | Licensed Practical Nurse | Egg Harbor, WI | 2010 |
| Elizabeth O'Malley, RN | 1538491337 | Registered Nurse | Greenwood Village, CO | 2010 |
| Elizabeth O'Malley, LMFT | 1619388444 | Marriage & Family Therapist | Santa Ana, CA | 2014 |
| Elizabeth O'Malley, RD, LDN | 1740586924 | Registered Dietitian | Westmont, IL | 2011 |
| Elizabeth O'Malley, PT, DPT | 1760082440 | Physical Therapist | Grand Rapids, MI | 2020 |
| Ellen O'Malley, LMHC | 1174663504 | Mental Health Counselor | Fort Myers, FL | 2007 |
| Ellen O'Malley, LCSW | 1760139786 | Clinical Social Worker | Chicago, IL | 2022 |
| Emily O'Malley | 1073224796 | Physician Assistant | Atlanta, GA | 2022 |
| Emily O'Malley | 1609368992 | Physical Therapist | Detroit, MI | 2018 |
| Emma O'Malley | 1568391951 | Physical Therapy Assistant | Park Ridge, IL | 2026 |
| Emma O'Malley, PA-C | 1821820820 | Physician Assistant | Auburn, CA | 2024 |
| Erica O'Malley, CCC-SLP | 1407539869 | Speech-Language Pathologist | Baton Rouge, LA | 2023 |
| Erin O'Malley, M.A. | 1063897767 | Speech-Language Pathologist | Orlando, FL | 2015 |
| Erin O'Malley | 1164895231 | Occupational Therapist | Merrillville, IN | 2015 |
| Erin O'Malley, DNP, FNP-C | 1225680440 | Nurse Practitioner | Bel Air, MD | 2019 |
| Erin O'Malley, NP | 1700540408 | Adult Health Nurse Practitioner | Boston, MA | 2021 |
| Evan O'Malley, DO | 1073253282 | Sports Medicine (Family Medicine) Physician | Akron, OH | 2022 |
| Flynn O'Malley, PHD | 1295102234 | Clinical Psychologist | Houston, TX | 2015 |
| Gavin O'Malley | 1295458115 | Psychologist | Lebanon, PA | 2022 |
| Geoffrey O'Malley | 1811799331 | Student in an Organized Health Care Education/Training Program | Indianapolis, IN | 2025 |
| George O'Malley, M.A. CCC-SLP | 1235520586 | Speech-Language Pathologist | Denver, CO | 2015 |
| George O'Malley, PT | 1821080318 | Physical Therapist | Lemoyne, PA | 2005 |
| Gerard O'Malley, LPN | 1770834848 | Licensed Practical Nurse | Rochester, NY | 2012 |
| Glen O'Malley, D.D.S., S.C. | 1205090537 | General Practice Dentistry | Greenfield, WI | 2008 |
| Grace O'Malley, MSW | 1881162899 | Clinical Social Worker | Slidell, LA | 2018 |
| Grace O'Malley | 1922515238 | Behavior Technician | Manchester, NH | 2018 |
| Grainne O'Malley, MD | 1407230501 | Internal Medicine Physician | West Lafayette, IN | 2015 |
| Gregg O'Malley, M.D. | 1568438406 | Orthopaedic Surgery Physician | Morgantown, WV | 2006 |
| Gregory O'Malley, PHARMD | 1053611889 | Pharmacist | Longmont, CO | 2010 |
| Hailey O'Malley | 1275394918 | Developmental Therapist | Colorado Springs, CO | 2024 |
| Haily O'Malley, DPT | 1801550058 | Physical Therapist | Baytown, TX | 2021 |
| Haley O'Malley | 1487414439 | Student in an Organized Health Care Education/Training Program | Wilmington, DE | 2024 |
| Hali O'Malley, PHARMD | 1346649845 | Pharmacist | Boise, ID | 2014 |
| Hanna O'Malley, CPM | 1144937574 | Midwife | Waco, TX | 2022 |
| Hannah O'Malley, LMHP | 1619344389 | Counselor | Omaha, NE | 2015 |
| Heather O'Malley, ASW | 1770067720 | Clinical Social Worker | Folsom, CA | 2018 |
| Henry O'Malley, H.A.S., N.B.C.-H.I.S | 1851854632 | Hearing Instrument Specialist | Brandon, FL | 2019 |
| Hunter O'Malley, DPT | 1760037493 | Pediatric Physical Therapist | Wichita Falls, TX | 2019 |
| Jack O'Malley | 1558156877 | Behavior Technician | Lacey, WA | 2025 |
| Jacquelyn O'Malley, M.ED | 1629316211 | Counselor | Erdenheim, PA | 2013 |
| Jada O'Malley, CFM | 1437521721 | Mastectomy Fitter | Wilmington, NC | 2015 |
| James O'Malley, MD | 1235712381 | Student in an Organized Health Care Education/Training Program | Buffalo, NY | 2021 |
| James O'Malley, PA-C | 1568849347 | Surgical Physician Assistant | Highland Park, IL | 2015 |
| James O'Malley, M.D. | 1760476980 | Internal Medicine Physician | Bluffton, SC | 2005 |
| James O'Malley, M.D. | 1780782847 | Surgery Physician | Anchorage, AK | 2006 |
| Jamie O'Malley, MA | 1568208601 | Mental Health Counselor | Ambridge, PA | 2024 |
| Janine O'Malley, PHARMD | 1457786758 | Pharmacist | Lakewood, CO | 2013 |
| Janis O'Malley | 1952332397 | Diagnostic Radiology Physician | Birmingham, AL | 2006 |
| Jean O'Malley, LPCC, LICDC, LSW | 1730358649 | Addiction (Substance Use Disorder) Counselor | Saint Clairsville, OH | 2008 |
| Jeanne O'Malley, PT | 1043217680 | Physical Therapist | Fairview Park, OH | 2005 |
| Jeffrey O'Malley, L.C.S.W | 1881896579 | Clinical Social Worker | Brooklyn, NY | 2007 |
| Jenica O'Malley, DO | 1285995324 | Pediatrics Physician | Syracuse, NY | 2012 |
| Jenni O'Malley, D.M.D | 1609144997 | Dentist | Kingsport, TN | 2011 |
| Jenni O'Malley, RN | 1841538253 | Case Manager/Care Coordinator | Milwaukee, WI | 2013 |
| Jennifer O'Malley, MD, PHD | 1104116292 | Neurology with Special Qualifications in Child Neurology Physician | Palo Alto, CA | 2011 |
| Jennifer O'Malley, PHARM.D | 1417241514 | Pharmacist | Savage, MN | 2011 |
| Jennifer O'Malley, BCBA, LEP | 1437498912 | Behavior Analyst | Temecula, CA | 2013 |
| Jennifer O'Malley | 1760813315 | Physical Therapy Assistant | Oak Forest, IL | 2013 |
| Jennifer O'Malley, M.D, | 1831458033 | Family Medicine Physician | Saint James, MO | 2012 |
| Jenny O'Malley, O.D. | 1235218280 | Optometrist | Faribault, MN | 2006 |
| Jerrad O'Malley | 1871338590 | Physical Therapist | Olathe, KS | 2024 |
| Jessica O'Malley, LAC., LMP, AWC | 1427370725 | Acupuncturist | Olympia, WA | 2010 |
| Jill O'Malley, PA-C | 1942679709 | Physician Assistant | Catonsville, MD | 2015 |
| Joan O'Malley, P.T. | 1811196140 | Physical Therapist | Saint Louis, MO | 2007 |
| Jodie O'Malley, LICSW | 1669640488 | Clinical Social Worker | Belmont, MA | 2008 |
| Joell O'Malley, R.N. | 1912336124 | Registered Nurse | Centerville, MA | 2013 |
| John O'Malley | 1124241617 | Case Manager/Care Coordinator | Pittsburgh, PA | 2007 |
| John O'Malley, MD | 1144222860 | Sports Medicine (Orthopaedic Surgery) Physician | Wilmington, NC | 2005 |
| John O'Malley | 1467133660 | Orthopaedic Surgery Physician | Saint Louis, MO | 2023 |
| John O'Malley | 1609620194 | Health Educator | New Bedford, MA | 2024 |
| John O'Malley | 1669141032 | Behavior Technician | Round Rock, TX | 2021 |
| John O'Malley | 1760711634 | Professional Counselor | Melrose Park, IL | 2009 |
| John O'Malley, M.D., PH.D. | 1790002855 | Dermatology Physician | Boston, MA | 2010 |
| Jonathan O'Malley, D.C. | 1366772931 | Chiropractor | Dover, NH | 2010 |
| Jordan O'Malley, PA-C | 1255013298 | Physician Assistant | Woodbury, MN | 2023 |
| Joseph O'Malley | 1659877082 | Student in an Organized Health Care Education/Training Program | Lebanon, OR | 2018 |
| Joseph O'Malley, OTR/L, ABDA | 1942547013 | Occupational Therapist | Pittston, PA | 2013 |
| Julia O'Malley, P.A. | 1134372261 | Physician Assistant | Brandon, FL | 2008 |
| Julia O'Malley | 1306013701 | Speech-Language Pathologist | East Amherst, NY | 2008 |
| Julia O'Malley, PHARMD | 1801496971 | Pharmacist | Wheeling, IL | 2020 |
| Julianne O'Malley | 1144263542 | Pediatrics Physician | Sunnyvale, CA | 2006 |
| Julie O'Malley, PSY.D. | 1417184821 | Clinical Psychologist | Chicago, IL | 2009 |
| Julie O'Malley, SLP-AL | 1780700732 | Speech-Language Assistant | Frankfort, IL | 2007 |
| Kacey O'Malley, M.D. | 1962851030 | Pediatrics Physician | Charleston, SC | 2016 |
| Kaitlin O'Malley, MD | 1922563089 | Family Medicine Physician | Philadelphia, PA | 2019 |
| Kaitlyn O'Malley, PSYD | 1346016367 | Psychologist | Manchester, NH | 2023 |
| Kaitlyn O'Malley, RBT | 1598304503 | Behavior Technician | Akron, OH | 2019 |
| Kara O'Malley | 1881026763 | Physical Therapist | Chicago, IL | 2013 |
| Karen O'Malley, LLP | 1588973481 | School Psychologist | Novi, MI | 2010 |
| Karen O'Malley, LCPC | 1760871495 | Professional Counselor | Frankfort, IL | 2015 |
| Karen O'Malley, M.S., LMFT, RPT | 1770960619 | Marriage & Family Therapist | Acworth, GA | 2015 |
| Kari O'Malley, CRNA | 1285179309 | Certified Registered Nurse Anesthetist | Wynnewood, PA | 2016 |
| Katee O'Malley, DO | 1588293419 | Student in an Organized Health Care Education/Training Program | Baltimore, MD | 2020 |
| Katharine O'Malley, M.D. | 1487896239 | Maternal & Fetal Medicine Physician | Mountain View, CA | 2009 |
| Katherine O'Malley | 1457076184 | Speech-Language Pathologist | Marlton, NJ | 2022 |
| Katherine O'Malley | 1528560968 | Behavior Technician | San Jose, CA | 2018 |
| Kathleen O'Malley, D.C. | 1033245006 | Chiropractor | North Grafton, MA | 2007 |
| Kathleen O'Malley, RN, CDE | 1336193945 | Diabetes Educator Registered Nurse | Omaha, NE | 2006 |
| Kathleen O'Malley | 1831720259 | Counselor | Esparto, CA | 2020 |
| Kathleen O'Malley, APN, PMHNP-BC | 1992641286 | Psychiatric/Mental Health Nurse Practitioner | Westminster, CO | 2026 |
| Kathryn O'Malley | 1245018894 | Specialist | Pearl River, NY | 2023 |
| Kathryn O'Malley, RN FNP | 1952845596 | Community Health/Public Health Clinical Nurse Specialist | Eureka, CA | 2016 |
| Kayla O'Malley, D.P.M. | 1245642438 | Foot & Ankle Surgery Podiatrist | East Longmeadow, MA | 2014 |
| Kayla O'Malley, CCC-SLP | 1467005363 | Speech-Language Pathologist | Copley, OH | 2019 |
| Kayleigh O'Malley | 1962950592 | Adult Companion | Portland, OR | 2016 |
| Keelan O'Malley, DMD | 1770254831 | Student in an Organized Health Care Education/Training Program | Rochester, NY | 2021 |
| Keith O'Malley, M.D. | 1053381145 | Trauma Surgery Physician | Augusta, GA | 2006 |
| Kelly O'Malley, AU.D. | 1356690325 | Audiologist-Hearing Aid Fitter | Hoffman Estates, IL | 2012 |
| Kelly O'Malley, MPT, DPT | 1629200522 | Physical Therapist | Pittston, PA | 2009 |
| Kelly O'Malley, P.T. | 1730368572 | Physical Therapist | Pittsford, NY | 2007 |
| Kelly O'Malley, PH.D. | 1912551276 | Clinical Psychologist | Brockton, MA | 2019 |
| Kent O'Malley | 1043507460 | Pharmacist | Denver, CO | 2011 |
| Kerri O'Malley, MED, CAGS | 1972637148 | Counselor | Plymouth, MA | 2007 |
| Kerynne O'Malley | 1316790116 | Marriage & Family Therapist | Oakland, CA | 2024 |
| Kevin O'Malley, B.A. | 1023474806 | Respiratory/Developmental/Rehabilitative Specialist/Technologist | Chicago, IL | 2016 |
| Kevin O'Malley, M.D. | 1043673213 | Internal Medicine Physician | Baltimore, MD | 2016 |
| Kevin O'Malley | 1437597986 | Driver | Savannah, GA | 2013 |
| Kevin O'Malley | 1770901670 | Orthopaedic Surgery Physician | Washington, DC | 2014 |
| Kristel O'Malley | 1407056633 | Pharmacist | Covington, TN | 2007 |
| Kristen O'Malley | 1902246499 | Physical Therapist | Sun Prairie, WI | 2013 |
| Kristin O'Malley | 1093536591 | Social Worker | West Warwick, RI | 2024 |
| Kristine O'Malley, OTR/L | 1184722159 | Occupational Therapist | Colchester, VT | 2006 |
| Kristy O'Malley, M.S., CCC-SLP | 1518110154 | Speech-Language Pathologist | Honolulu, HI | 2008 |
| Kyle O'Malley | 1275160715 | Internal Medicine Physician | Dallas, TX | 2020 |
| Laura O'Malley | 1063725026 | Behavior Analyst | Waltham, MA | 2010 |
| Laura O'Malley | 1144461989 | Registered Nurse | Brooklyn, NY | 2009 |
| Laura O'Malley, MS, NCSP | 1346853165 | School Psychologist | Danville, VA | 2020 |
| Laura O'Malley, M.D. | 1366402216 | Internal Medicine Physician | Phoenix, AZ | 2006 |
| Lauren O'Malley, M.D. | 1184035651 | Internal Medicine Physician | Morgantown, WV | 2014 |
| Lauren O'Malley | 1447421946 | Speech-Language Pathologist | Lancaster, PA | 2008 |
| Lauren O'Malley, BCBA | 1659972172 | Behavior Analyst | Farmington Hills, MI | 2020 |
| Lauren O'Malley, LPC | 1780300616 | Mental Health Counselor | San Antonio, TX | 2022 |
| Lawrence O'Malley, M.D. | 1235459884 | Orthopaedic Surgery Physician | Little Rock, AR | 2010 |
| Lawrence O'Malley, PAC | 1427038751 | Surgical Physician Assistant | Concord, NH | 2006 |
| Leigh O'Malley, LMHC | 1306065438 | Mental Health Counselor | Cathlamet, WA | 2007 |
| Leigh O'Malley | 1881940625 | Specialist | Lynbrook, NY | 2012 |
| Leslie O'Malley, PSY.D. | 1760613442 | Psychologist | New Orleans, LA | 2009 |
| Lila O'Malley, OTR | 1649884701 | Occupational Therapist | Staten Island, NY | 2020 |
| Linda O'Malley | 1437668472 | Registered Nurse | Dubuque, IA | 2017 |
| Linda O'Malley, MA | 1710161922 | Counselor | Providence, RI | 2007 |
| Linda O'Malley, FNP | 1780748913 | Psychiatric/Mental Health Nurse Practitioner | Nineveh, IN | 2006 |
| Lindsay O'Malley | 1992160014 | Social Worker | Braintree, MA | 2015 |
| Lisa O'Malley, CCC-SLP | 1942439062 | Speech-Language Pathologist | Westfield, MA | 2009 |
| Lori O'Malley, M.S., ED.D., LPC | 1912114463 | Professional Counselor | Stillwater, OK | 2007 |
| Mackenzie O'Malley, OT | 1639708613 | Occupational Therapist | Natick, MA | 2020 |
| Mackenzie O'Malley | 1972177145 | Behavior Technician | Ann Arbor, MI | 2021 |
| Madeline O'Malley, LC10651 | 1932725306 | Mental Health Counselor | Berlin, MD | 2020 |
| Madelyn O'Malley | 1386203040 | Family Medicine Physician | Springfield, IL | 2019 |
| Madison O'Malley, DPT | 1912727827 | Physical Therapist | Boston, MA | 2024 |
| Malloy O'Malley | 1376464784 | Speech-Language Pathologist | Colorado Springs, CO | 2026 |
| Margaret O'Malley, RN,CACII | 1043421084 | Addiction (Substance Use Disorder) Counselor | Covington, GA | 2007 |
| Margaret O'Malley, RN | 1609093418 | Community Health Registered Nurse | Gloucester, MA | 2007 |
| Maria O'Malley, MD | 1104288893 | Vascular & Interventional Radiology Physician | Omaha, NE | 2016 |
| Mark O'Malley, D.O. | 1083899686 | Surgery Physician | Phoenix, AZ | 2008 |
| Mark O'Malley, D.C. | 1184736043 | Chiropractor | Wethersfield, CT | 2006 |
| Mark O'Malley, LICENSED MASSAGE THE | 1790105427 | Massage Therapist | Honolulu, HI | 2014 |
| Martin O'Malley, MD | 1083684013 | Internal Medicine Physician | Saint Cloud, FL | 2006 |
| Martin O'Malley, M.D. | 1194801944 | Orthopaedic Surgery Physician | New York, NY | 2006 |
| Martin O'Malley, M.D. | 1750545455 | Ophthalmology Physician | Bettendorf, IA | 2008 |
| Mary O'Malley, LISW | 1275725715 | Clinical Social Worker | Avon Lake, OH | 2007 |
| Mary O'Malley, DPT | 1497529440 | Physical Therapist | Louisville, KY | 2023 |
| Mary O'Malley, PT | 1497880256 | Physical Therapist | Greenville, NC | 2007 |
| Mary O'Malley | 1639054505 | Family Nurse Practitioner | Lake Bluff, IL | 2025 |
| Mary O'Malley, M.D., PHD. | 1649498742 | Psychiatry Physician | Sanford, ME | 2007 |
| Mary O'Malley, CERTIFIED COUNSELOR | 1831642248 | Mental Health Counselor | Kirkland, WA | 2016 |
| Mary O'Malley, DC | 1851416614 | Chiropractor | Manchester, NH | 2007 |
| Mary Lou O'Malley, OTR | 1972760221 | Occupational Therapist | Kettering, OH | 2008 |
| Marya O'Malley, D.C. | 1811901721 | Chiropractor | Albuquerque, NM | 2006 |
| Maryanne O'Malley, PCD (DONA), BA | 1295664266 | Doula | Boston, MA | 2026 |
| Maryjane O'Malley, RNC, MSN, PNP | 1164625125 | Community Health Nurse Practitioner | Boston, MA | 2007 |
| Maryrose O'Malley | 1811229248 | Registered Nurse | Medford, NY | 2010 |
| Matthew O'Malley, M.D. | 1932395480 | Otology & Neurotology Physician | Nashville, TN | 2007 |
| Maura O'Malley, ANP | 1851578520 | Adult Health Nurse Practitioner | Staten Island, NY | 2008 |
| Maureen O'Malley, LCSW | 1447546148 | Mental Health Counselor | Brewer, ME | 2011 |
| Maureen O'Malley, CCC-SLP | 1568582344 | Speech-Language Pathologist | Chicago, IL | 2007 |
| Maureen O'Malley | 1821464710 | Community Health Worker | Sunderland, MA | 2015 |
| Maximilian O'Malley, DPT, OCS | 1912596248 | Physical Therapist | Chicago, IL | 2021 |
| Meagan O'Malley, MS,OTR/L | 1568657831 | Occupational Therapist | Mansfield, MA | 2007 |
| Meaghan O'Malley, M.D. | 1508066002 | Hematology & Oncology Physician | Seattle, WA | 2007 |
| Meg O'Malley, LCSW | 1740606474 | Clinical Social Worker | Dover, NH | 2014 |
| Megan O'Malley, SLP | 1245397553 | Speech-Language Pathologist | Austin, TX | 2007 |
| Megan O'Malley | 1518799345 | Neurology Physical Therapist | Fort Worth, TX | 2024 |
| Megan O'Malley, DC | 1720939218 | Chiropractor | Chicago, IL | 2026 |
| Megan O'Malley, NP | 1760367254 | Psychiatric/Mental Health Nurse Practitioner | Goshen, IN | 2025 |
| Meghan O'Malley, CF-SLP | 1043795065 | Speech-Language Pathologist | Philadelphia, PA | 2018 |
| Meghan O'Malley | 1275185639 | Physical Therapist | Acworth, GA | 2019 |
| Meghan O'Malley, DPT | 1982152526 | Physical Therapist | Hilton Head Island, SC | 2016 |
| Melia O'Malley, RN | 1174443527 | Psychiatric/Mental Health Registered Nurse | Denver, CO | 2026 |
| Melissa O'Malley, BA | 1336544402 | Doula | Greeley, CO | 2014 |
| Melissa O'Malley, AU.D. | 1629602305 | Audiologist | Pennington, NJ | 2020 |
| Melodie O'Malley, RN | 1952547481 | Registered Nurse | Fort Campbell, KY | 2009 |
| Michael O'Malley | 1003736513 | Case Manager/Care Coordinator | Springfield, MA | 2026 |
| Michael O'Malley, MD | 1013051499 | Anatomic Pathology & Clinical Pathology Physician | Baltimore, MD | 2007 |
| Michael O'Malley, M.S., L. AC. | 1497027973 | Acupuncturist | New York, NY | 2012 |
| Michael O'Malley | 1598889990 | Physical Therapist | Falmouth, MA | 2007 |
| Michael O'Malley, M.D. | 1649258062 | Diagnostic Radiology Physician | Meadville, PA | 2006 |
| Michael O'Malley, M.D. | 1740508399 | Orthopaedic Surgery Physician | Roanoke, VA | 2010 |
| Michael O'Malley, LCSW | 1740651884 | Clinical Social Worker | Bridgeport, CT | 2015 |
| Michael O'Malley, EMT | 1740685841 | Basic Emergency Medical Technician | Fort Stewart, GA | 2014 |
| Michaela O'Malley, RN | 1841780681 | Registered Nurse | Columbia, MD | 2018 |
| Micjhael O'Malley, LADAC | 1710205596 | Addiction (Substance Use Disorder) Counselor | Las Cruces, NM | 2010 |
| Molly O'Malley, D.O. | 1497075329 | Family Medicine Physician | Yarmouth, ME | 2010 |
| Monica O'Malley | 1306684568 | Student in an Organized Health Care Education/Training Program | Torrance, CA | 2024 |
| Monique O'Malley | 1477981678 | Mental Health Counselor | Athol, MA | 2013 |
| Morgan O'Malley, MD | 1518524925 | Psychiatry Physician | Mesa, AZ | 2019 |
| Nancy O'Malley, M.D. | 1306030192 | Internal Medicine Physician | Arroyo Grande, CA | 2007 |
| Natasha O'Malley, FRCS | 1992042527 | Pediatric Orthopaedic Surgery Physician | Rochester, NY | 2013 |
| Nathaniel O'Malley, DPT | 1720708555 | Physical Therapist | Gahanna, OH | 2022 |
| Neil O'Malley, M.D. | 1225055858 | Neurological Surgery Physician | Hagerstown, MD | 2006 |
| Nicholas O'Malley, DO | 1043062243 | Student in an Organized Health Care Education/Training Program | East Meadow, NY | 2024 |
| Nicole O'Malley, M.D. | 1558775486 | Sleep Medicine (Family Medicine) Physician | Bellevue, WA | 2014 |
| Nicole O'Malley | 1730028622 | Personal Care Attendant | Las Vegas, NV | 2026 |
| Nicole O'Malley, MD | 1760187165 | Student in an Organized Health Care Education/Training Program | Memphis, TN | 2023 |
| Nicole O'Malley | 1770855140 | Acute Care Nurse Practitioner | New York, NY | 2012 |
| Nicole O'Malley, MA MT-BC NMT/F LPMT | 1851301212 | Music Therapist | Kingston, RI | 2006 |
| Olivia O'Malley, NP | 1669186615 | Pediatric Nurse Practitioner | Lake Ronkonkoma, NY | 2023 |
| Othman O'Malley, DPT | 1710476890 | Physical Therapist | Memphis, TN | 2018 |
| Padraic O'Malley, MD | 1194121053 | Urology Physician | Gainesville, FL | 2014 |
| Pamela O'Malley, LICSW | 1982740247 | Clinical Social Worker | Rockland, MA | 2007 |
| Patricia O'Malley, PHARMD | 1225526080 | Pharmacist | Winchester, TN | 2018 |
| Patricia O'Malley, PH.D., RN, CNS | 1669686291 | Registered Nurse | Dayton, OH | 2007 |
| Patricia O'Malley, LMFT | 1699597724 | Mental Health Counselor | Pleasant Hill, CA | 2024 |
| Patricia O'Malley | 1982159794 | Mental Health Counselor | Aurora, IL | 2016 |
| Patrick O'Malley, MD | 1144350588 | Emergency Medicine Physician | Lexington, SC | 2007 |
| Patrick O'Malley, PT, DPT | 1285240721 | Physical Therapist | Grand Rapids, MI | 2020 |
| Patrick O'Malley, DDS | 1427180041 | General Practice Dentistry | Fort Hood, TX | 2007 |
| Patrick O'Malley, M.D. | 1497810501 | Surgery Physician | Folsom, CA | 2006 |
| Patrick O'Malley, MD, MPH | 1659428159 | Internal Medicine Physician | Washington, DC | 2007 |
| Patrick O'Malley, CNP | 1740861244 | Family Nurse Practitioner | Cleveland, OH | 2021 |
| Patrick O'Malley, PH.D. | 1801008412 | Counselor | Fort Worth, TX | 2007 |
| Patrick O'Malley, M.D. | 1841724960 | Child & Adolescent Psychiatry Physician | Houston, TX | 2017 |
| Patrick O'Malley, D.O. | 1891839759 | Family Medicine Physician | Oconomowoc, WI | 2007 |
| Patrick O'Malley | 1902044043 | Behavior Analyst | Tinley Park, IL | 2009 |
| Paul O'Malley, RPH | 1831793454 | Pharmacist | Stuart, FL | 2020 |
| Pearse O'Malley, MD | 1891633210 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2026 |
| Peter O'Malley, MD | 1821073537 | Pediatrics Physician | Folsom, CA | 2005 |
| Quinn O'Malley | 1013834837 | Maternal Newborn Registered Nurse | Bryn Mawr, PA | 2026 |
| Quinn O'Malley, MD | 1922990480 | Student in an Organized Health Care Education/Training Program | New Orleans, LA | 2025 |
| Rachel O'Malley, M.D. | 1265617039 | Emergency Medicine Physician | Tampa, FL | 2007 |
| Rachel O'Malley, PHARMD, RPH | 1467115162 | Pharmacist | Findlay, OH | 2021 |
| Rebecca O'Malley, MD | 1053501114 | Urology Physician | Albany, NY | 2007 |
| Rebecca O'Malley | 1083112783 | Speech-Language Pathologist | Camarillo, CA | 2018 |
| Richard O'Malley, M.D. | 1730259607 | Internal Medicine Physician | Towson, MD | 2006 |
| Rita O'Malley, M.A., L.D.T/C | 1497921878 | School Psychologist | Belford, NJ | 2008 |
| Robert O'Malley, MD | 1912168949 | Hospitalist Physician | Portland, OR | 2008 |
| Robert O'Malley, MSW | 1942488168 | Social Worker | Salem, MA | 2008 |
| Robert O'Malley | 1962713107 | General Practice Dentistry | Omaha, NE | 2010 |
| Rory O'Malley, MPH | 1447078688 | Case Manager/Care Coordinator | Whitehall, OH | 2024 |
| Roseanne O'Malley, MA, CCC-SLP | 1083359764 | Speech-Language Pathologist | Chicago, IL | 2022 |
| Ryan O'Malley | 1174729131 | Diagnostic Radiology Physician | Roseville, MN | 2007 |
| Ryan O'Malley, MD | 1477781623 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2009 |
| Ryan O'Malley, PTA | 1487298030 | Physical Therapy Assistant | Chestnut Hill, MA | 2019 |
| Ryan O'Malley, PT | 1538457205 | Physical Therapist | Fort Worth, TX | 2011 |
| Ryan O'Malley, NP-C | 1538521364 | Adult Health Nurse Practitioner | Los Angeles, CA | 2016 |
| Ryan O'Malley, DDS | 1710290663 | General Practice Dentistry | Simpsonville, SC | 2010 |
| Sally O'Malley, CCC-SLP | 1164687026 | Speech-Language Pathologist | Buffalo, MN | 2008 |
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).