Providers Geoffrey Ong, PHARMD to Sokhemra Ong
300 individual NPIs in the federal registry, part 16,243 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. 124 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Geoffrey Ong, PHARMD | 1619582749 | Pharmacist | Fresno, CA | 2020 |
| George Ong, MD | 1952387557 | Dermatology Physician | Carlisle, PA | 2005 |
| Gerald Bryan Ong, FNP-BC | 1326639923 | Family Nurse Practitioner | Jackson Heights, NY | 2021 |
| Geraldine Ong, MD, MSC | 1316752702 | Cardiovascular Disease Physician | New York, NY | 2025 |
| Germaine Ong, MD | 1952338691 | Internal Medicine Physician | Morenci, AZ | 2006 |
| Ghee Syn Ong, RPH | 1013939016 | Pharmacist | Janesville, WI | 2006 |
| Giao Ong | 1467107763 | Physical Therapist | Grayson, GA | 2022 |
| Gilbert Ong, MD | 1740310283 | Gastroenterology Physician | Zillah, WA | 2007 |
| Glen Ong, O.D. | 1336558212 | Optometrist | Boston, MA | 2014 |
| Glenda Ong, O.D. | 1336303700 | Optometrist | Beaumont, CA | 2008 |
| Gloria Ong, MD | 1134570971 | Internal Medicine Physician | Goodyear, AZ | 2016 |
| Gloria Ong, MD | 1528115748 | Dermatology Physician | New York, NY | 2007 |
| Grace Ong, RPT-IL | 1073290961 | Physical Therapist | Chicago, IL | 2023 |
| Ha Quyen Ong, PHARM.D | 1174995385 | Pharmacist | Banning, CA | 2015 |
| Hamlet Ong, D.D.S. | 1134478043 | General Practice Dentistry | Artesia, CA | 2012 |
| Hanley Ong, MD (EXPECTED 5/2020) | 1629607999 | Student in an Organized Health Care Education/Training Program | New York, NY | 2020 |
| Hannah Ong, MD | 1881533727 | Student in an Organized Health Care Education/Training Program | Ypsilanti, MI | 2026 |
| Hannah Ong, MD | 1922201417 | Psychiatry Physician | Annapolis, MD | 2007 |
| Harry Ong, RPH | 1518242965 | Pharmacist | San Francisco, CA | 2011 |
| Helen Ong, PHARMD | 1417442104 | Pharmacist | Hillsboro, OR | 2018 |
| Helen Ong, DDS | 1417454422 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2018 |
| Helen Ong, PHARM D. | 1427377407 | Pharmacist | Brooklyn, NY | 2010 |
| Helen Ong, M.D. | 1467458448 | Pediatrics Physician | Stephenville, TX | 2005 |
| Henry Ong | 1245733997 | Marriage & Family Therapist | San Jose, CA | 2018 |
| Hilary Ong | 1053768093 | Pediatrics Physician | Los Angeles, CA | 2016 |
| Himi Ong | 1841019544 | Marriage & Family Therapist | Oakland, CA | 2024 |
| Hong Ong, MD | 1720028905 | Orthopaedic Surgery Physician | Peoria, AZ | 2006 |
| Howard Ong, D.D.S. | 1477605269 | General Practice Dentistry | Seal Beach, CA | 2007 |
| Hung Ong, M.D. | 1407842149 | MOHS-Micrographic Surgery Physician | Newport Beach, CA | 2005 |
| Huyen Ong, PHARM.D. | 1417284365 | Pharmacist | Houston, TX | 2009 |
| Huynh Anh Ong, PHARMD | 1629951553 | Pharmacist | San Bernardino, CA | 2025 |
| Hyo Sun Ong | 1104429075 | Pharmacist | Dallas, TX | 2020 |
| Ian Ong | 1255276804 | Student in an Organized Health Care Education/Training Program | Philadelphia, PA | 2026 |
| Ida Ong, PHARM.D | 1063187482 | Pharmacist | Temecula, CA | 2021 |
| Irie Ann Makeda Ong | 1700690898 | Behavior Technician | Torrance, CA | 2025 |
| Iris Ong | 1598564734 | Personal Care Attendant | Omaha, NE | 2025 |
| Irvin Ong, DNP, RN, AGPCNP-BC | 1164218459 | Adult Health Nurse Practitioner | Huntington, NY | 2025 |
| Iwan Ong, MD | 1265416739 | Internal Medicine Physician | Riverside, CA | 2005 |
| Jaclyn Ong | 1821587098 | Ambulatory Care Pharmacist | Richardson, TX | 2018 |
| Jacqueline Ong, LADC, LADC-S | 1538741020 | Addiction (Substance Use Disorder) Counselor | Minden, NV | 2021 |
| Jacqueline Ong | 1649930082 | Clinical Social Worker | Oakland, CA | 2021 |
| Jacqueline Ong, MS,CCC-SLP | 1881762508 | Speech-Language Pathologist | Mesa, AZ | 2006 |
| Jacqueline Ong | 1902660855 | Dentist | San Francisco, CA | 2024 |
| Jade Ong, DDS | 1497847396 | Dentist | Van Nuys, CA | 2006 |
| Jaden Ong, PHARMD | 1811467780 | Pharmacist | California City, CA | 2018 |
| James Ong, D.M.D. | 1306967112 | General Practice Dentistry | Key West, FL | 2007 |
| James Ong, MD | 1649289570 | Internal Medicine Physician | Anderson, IN | 2006 |
| James Ong, M.D. | 1912955980 | Specialist | Tarzana, CA | 2006 |
| Jamie Ong, D.M.D. | 1790913846 | Student in an Organized Health Care Education/Training Program | Flushing, NY | 2009 |
| Jan Ong | 1003772377 | Critical Care Medicine Registered Nurse | Madison, TN | 2025 |
| Jane Ong, MD | 1538236351 | Surgery Physician | Fontana, CA | 2006 |
| Janice Ong, MD | 1679968929 | Internal Medicine Physician | Richmond, VA | 2015 |
| Janice Ong | 1689114514 | Mental Health Counselor | Tulsa, OK | 2017 |
| Janice Ong, MD | 1982250114 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2019 |
| Janis Ong, RPH | 1114009172 | Pharmacist | Sacramento, CA | 2006 |
| Jared Ong, MD | 1992400394 | Student in an Organized Health Care Education/Training Program | Madison, WI | 2023 |
| Jason Ong | 1467113936 | Student in an Organized Health Care Education/Training Program | Palo Alto, CA | 2022 |
| Jason Ong, PH.D. | 1528260940 | Clinical Psychologist | Chicago, IL | 2007 |
| Jaw-Lin Ong, LCP | 1376693846 | Clinical Psychologist | Olathe, KS | 2007 |
| Jay Ong | 1457917650 | Behavior Technician | Bellevue, WA | 2019 |
| Jeanelle Ong, NP | 1598524498 | Adult Health Nurse Practitioner | Irvine, CA | 2024 |
| Jeannette Ong, PHARM D | 1912228313 | Pharmacist | Castro Valley, CA | 2010 |
| Jeannie Ong, PHARMD | 1427434588 | Ambulatory Care Pharmacist | Allentown, PA | 2015 |
| Jed Ong | 1609331941 | Physical Therapist | Great Neck, NY | 2019 |
| Jeffrey Ong, PT, DPT | 1760217897 | Physical Therapist | Los Angeles, CA | 2024 |
| Jennie Ong, PHARMD | 1861811481 | Pharmacist | Lincoln, NE | 2014 |
| Jennifer Ong, PH.D., M.S., M.ED. | 1336592344 | Professional Counselor | Winston Salem, NC | 2016 |
| Jennifer Ong | 1548085707 | Student in an Organized Health Care Education/Training Program | Farmington, CT | 2024 |
| Jennifer Ong, O.D. | 1700878055 | Optometrist | Alameda, CA | 2005 |
| Jennifer Ong, D.O. | 1801279047 | Student in an Organized Health Care Education/Training Program | Redding, CA | 2015 |
| Jennifer Ong, COTA/L | 1982092516 | Occupational Therapy Assistant | San Diego, CA | 2015 |
| Jennifer Ong, MD | 1992801682 | Family Medicine Physician | Battle Ground, WA | 2006 |
| Jenny Ong, O.D. | 1518000231 | Optometrist | Irvine, CA | 2007 |
| Jessica Ong, MD, PHD | 1104407790 | Student in an Organized Health Care Education/Training Program | Washington, DC | 2021 |
| Jia Ern Ong | 1396539037 | Student in an Organized Health Care Education/Training Program | Minneapolis, MN | 2025 |
| Jia Wei Ong, RN | 1720593726 | Registered Nurse | Brooklyn, NY | 2017 |
| Jimmy Ong, MD | 1366428377 | Neurology Physician | Pittsburgh, PA | 2005 |
| Jinfon Ong, MD | 1326239518 | Neurology with Special Qualifications in Child Neurology Physician | Austin, TX | 2007 |
| Jing Wen Ong, PSYD | 1124998893 | Clinical Psychologist | Santa Cruz, CA | 2025 |
| Joan Ong, RDHAP | 1639959125 | Dental Hygienist | Pasadena, CA | 2023 |
| Joe Ong, NURSE PRACTITIONER | 1376821405 | Acute Care Nurse Practitioner | Los Angeles, CA | 2011 |
| John Ong, DO | 1477056406 | Nephrology Physician | Fountain Valley, CA | 2018 |
| John Ong, D.D.S. | 1881781573 | General Practice Dentistry | Orlando, FL | 2006 |
| Johnson Ong, DO | 1568045508 | Rheumatology Physician | Loma Linda, CA | 2021 |
| Jon Ong, MD | 1184772139 | Family Medicine Physician | Woodland Hills, CA | 2007 |
| Jon-Michael Ong, M.D. | 1659686947 | Physical Medicine & Rehabilitation Physician | Austin, TX | 2010 |
| Jonathan Ong, DPT | 1356622914 | Physical Therapist | Choctaw, OK | 2011 |
| Jonathan Ong, MD | 1508668401 | Student in an Organized Health Care Education/Training Program | Scottsdale, AZ | 2025 |
| Jonathan Ong | 1821847039 | Physical Therapy Assistant | Ewa Beach, HI | 2024 |
| Joshua Ong | 1194461657 | Ophthalmology Physician | Boston, MA | 2022 |
| Joshua Ong | 1659033819 | Nurse Practitioner | Orange, CA | 2021 |
| Joyce Ong, OTR | 1043432974 | Occupational Therapist | Torrance, CA | 2007 |
| Julie Ong, CRNA | 1114166782 | Certified Registered Nurse Anesthetist | Dallas, TX | 2009 |
| Julie Ann Ong, MA, BCBA | 1558866244 | Behavior Analyst | San Jose, CA | 2018 |
| Julieanne Ong, MD | 1609628247 | Student in an Organized Health Care Education/Training Program | Albuquerque, NM | 2024 |
| Juling Ong, M.D. | 1477985166 | Plastic and Reconstructive Surgery Physician | Austin, TX | 2013 |
| Julius Ong, RPT | 1144590431 | Physical Therapist | Boise, ID | 2012 |
| June Ong, D.O. | 1699756197 | Physical Medicine & Rehabilitation Physician | Sacramento, CA | 2005 |
| Justin Ong, MD | 1215639711 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2023 |
| Kah Chuan Ong, MBBS | 1396871034 | Anesthesiology Physician | Boston, MA | 2007 |
| Kameron Ong | 1457112138 | Speech-Language Pathologist | Prosper, TX | 2024 |
| Karen Ong | 1285675462 | Audiologist | Phoenix, AZ | 2006 |
| Karen Ong, MD | 1992298251 | Aerospace Medicine Physician | Scottsdale, AZ | 2018 |
| Karindy Ong, MA, CCC-SLP | 1891382644 | Speech-Language Pathologist | Katy, TX | 2020 |
| Karla Marie Ong | 1386270452 | Family Nurse Practitioner | Los Angeles, CA | 2020 |
| Kasey Ong | 1821643115 | Social Worker | Hockessin, DE | 2019 |
| Kate Ong | 1033946421 | Registered Nurse | San Antonio, TX | 2024 |
| Katherine Ong | 1265069892 | General Practice Dentistry | Fort Myer, VA | 2020 |
| Kathleen Ong | 1568871523 | General Practice Dentistry | Fort Worth, TX | 2014 |
| Kathrina Ong, MD | 1750566808 | Student in an Organized Health Care Education/Training Program | San Antonio, TX | 2008 |
| Kathryn Ong | 1225691934 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2019 |
| Kathryn Ong, MA | 1255549069 | Clinical Psychologist | Madison Heights, MI | 2007 |
| Kathy Ong, O.D. | 1609038629 | Optometrist | San Rafael, CA | 2008 |
| Katie Ong | 1760230635 | Student in an Organized Health Care Education/Training Program | Fremont, CA | 2024 |
| Katy Ong, LCSW | 1942389226 | Clinical Social Worker | Westwood, MA | 2006 |
| Kelvin Ong, DO | 1275038283 | Family Medicine Physician | Tavernier, FL | 2018 |
| Ken Ong, PHARM.D. | 1972958668 | Pharmacist | San Clemente, CA | 2016 |
| Kenneth Ong, MD | 1437420718 | Internal Medicine Physician | Douglaston, NY | 2012 |
| Kenneth Ong, M.D. | 1760492177 | Neuroradiology Physician | San Jose, CA | 2006 |
| Kenneth Ong, MD | 1922098284 | Cardiovascular Disease Physician | Bronx, NY | 2005 |
| Kevin Ong | 1003663824 | Student in an Organized Health Care Education/Training Program | Colton, CA | 2024 |
| Kevin Ong, MD | 1104172246 | Cardiovascular Disease Physician | Rochester, MN | 2012 |
| Kimberly Ong, QASP | 1124573910 | Behavior Analyst | Cameron, NC | 2016 |
| Kimberly Ong, DPT, PT | 1750804415 | Physical Therapist | Los Angeles, CA | 2017 |
| Kimberly Ong | 1902659568 | Pharmacist | Dana Point, CA | 2024 |
| Kristi Ong | 1740115930 | School Psychologist | Long Beach, CA | 2026 |
| Kristin Ong, M.A. | 1902995467 | Marriage & Family Therapist | Springfield, VA | 2006 |
| Krizia Kaye Ong, MD | 1235823519 | Family Medicine Physician | Allentown, PA | 2023 |
| Kwee Ong, M.D. | 1497853949 | Anesthesiology Physician | Rancho Mirage, CA | 2006 |
| Kyla Cassandra Ong | 1255266870 | Adult Companion | Sacramento, CA | 2026 |
| Kyra Brent Ong | 1518410141 | Case Manager/Care Coordinator | Brooklyn, NY | 2016 |
| Lamont Ong, PHARM.D. | 1376781021 | Pharmacist | San Francisco, CA | 2009 |
| Lana Ayn Ong, PT | 1861846321 | Physical Therapist | Fairfield, CA | 2016 |
| Lany Ong | 1316218712 | Occupational Therapist | New York, NY | 2012 |
| Larisa Ong, APRN-NP | 1891668836 | Nurse Practitioner | Cozad, NE | 2025 |
| Larry Ong | 1194287300 | Family Nurse Practitioner | Houston, TX | 2019 |
| Larry Ong, BCBA | 1922542422 | Behavior Analyst | Woburn, MA | 2016 |
| Laura Ong | 1992112825 | Counselor | Salt Lake City, UT | 2014 |
| Lauren Ong, MD | 1598692113 | Student in an Organized Health Care Education/Training Program | Houston, TX | 2026 |
| Lawrence Ong, MD | 1013077171 | Cardiovascular Disease Physician | Manhasset, NY | 2006 |
| Lawrence Ong, M.D., M.ENG. | 1316254840 | Anesthesiology Physician | Santa Ana, CA | 2010 |
| Laylim Ong, OTR/L | 1801915269 | Occupational Therapist | Monterey Park, CA | 2007 |
| Lee Za Ong, LPC | 1396081717 | Professional Counselor | Glendale, WI | 2012 |
| Lee-Ling Ong, D.O. | 1588081038 | Hospice and Palliative Medicine (Internal Medicine) Physician | San Diego, CA | 2014 |
| Leonard Ong, M.D. | 1376854281 | Diagnostic Radiology Physician | Santa Monica, CA | 2010 |
| Lester Ong, M.D. | 1255337119 | Internal Medicine Physician | Stephenville, TX | 2005 |
| Lianne Ong, MD | 1487779260 | Family Medicine Physician | Las Vegas, NV | 2007 |
| Lianne Ong | 1548516891 | Marriage & Family Therapist | Oakland, CA | 2012 |
| Lilian Ong, DDS | 1669547659 | Dentist | West Covina, CA | 2006 |
| Lin Ong | 1356146724 | Behavior Technician | San Francisco, CA | 2025 |
| Linda Ong, M.D. | 1528012002 | Anesthesiology Physician | Mishawaka, IN | 2006 |
| Lindsey Ong, NURSE ANESTHETIST | 1184932303 | Anesthesiologist Assistant | Atlanta, GA | 2010 |
| Lindsey Ong, PHARMD | 1487050480 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Portland, OR | 2014 |
| Ling Ong, M.D. | 1154322493 | Cardiovascular Disease Physician | Rochester, NY | 2005 |
| Linh Ong | 1295560241 | Occupational Therapy Assistant | Anaheim, CA | 2024 |
| Linh Ong, CRNA | 1689097248 | Certified Registered Nurse Anesthetist | Austin, TX | 2014 |
| Lisa Ong, PHARMD | 1104309640 | Pharmacist | Monterey Park, CA | 2018 |
| Loneien Ong | 1750473328 | Endocrinology, Diabetes & Metabolism Physician | Bronx, NY | 2006 |
| Loran Ong, DDS | 1033718978 | Dentist | Eureka, CA | 2020 |
| Luei Ong, M.D. | 1841670536 | Family Medicine Physician | Brockton, MA | 2015 |
| Luke Ong | 1174272504 | Internal Medicine Physician | Albuquerque, NM | 2022 |
| Lydia Ong, PA | 1043482995 | Physician Assistant | Houston, TX | 2008 |
| Lynn Ong | 1548679889 | Occupational Therapy Assistant | Austin, TX | 2014 |
| Ma Rechelle Ong, PHYSICAL THERAPIST | 1598380727 | Physical Therapist | Bronx, NY | 2020 |
| Madison Ong | 1407791346 | Behavior Technician | Brentwood, CA | 2026 |
| Mahalia Elaine Ong, OTR/L, CHT, CLT | 1003011156 | Occupational Therapist | Westfield, NJ | 2007 |
| Malina Ong | 1578208542 | Physician Assistant | Salt Lake City, UT | 2022 |
| Manuel Ong, M.D. | 1932158664 | Emergency Medicine Physician | Carthage, MS | 2006 |
| Marchilles Ong, RPT | 1164766762 | Physical Therapist | Madera, CA | 2012 |
| Margaret Ong, MD | 1033572987 | Pediatrics Physician | Boston, MA | 2016 |
| Margaret Ong | 1558235499 | Registered Nurse | San Diego, CA | 2025 |
| Margie Ong | 1609290667 | Pharmacist | Redondo Beach, CA | 2014 |
| Mari Salve Ong, PT | 1801188701 | Physical Therapist | Millville, NJ | 2011 |
| Maria Hazel Ong | 1336888544 | Physical Therapist | New York, NY | 2022 |
| Maria-Veronica Ong | 1376016352 | Mental Health Counselor | Reno, NV | 2019 |
| Maricelle Ong, M.D. | 1811164098 | Family Medicine Physician | Kenner, LA | 2008 |
| Marichi Ong, M.D. | 1265615595 | Family Medicine Physician | Bedford, NH | 2007 |
| Marietta Ong, PHARM.D, | 1528370715 | Pharmacist | Redwood City, CA | 2010 |
| Marilyn Ong, DPT | 1003554080 | Physical Therapist | Essex Junction, VT | 2022 |
| Marites Ong, NP | 1215854310 | Nurse Practitioner | Chandler, AZ | 2026 |
| Mark Ong | 1104409192 | Behavior Technician | Newton, MA | 2021 |
| Mark Elton Ong | 1871144303 | Physical Therapist | Belvidere, IL | 2019 |
| Mary Chris Ong, MSW, LSW | 1801634498 | Clinical Social Worker | Maplewood, NJ | 2024 |
| Mary Grace Ong | 1144700014 | Physical Rehabilitation Occupational Therapist | Amarillo, TX | 2018 |
| Matthew Ong | 1164927547 | Internal Medicine Physician | Danville, IL | 2018 |
| Matthew Ong | 1689542078 | Personal Care Attendant | Las Vegas, NV | 2025 |
| Matthew Ong | 1891615357 | Student in an Organized Health Care Education/Training Program | Indianapolis, IN | 2026 |
| Matthew Ong, MFT | 1972736379 | Marriage & Family Therapist | Oakland, CA | 2009 |
| Meagan Ong, PA-C | 1831455062 | Physician Assistant | Sugar Land, TX | 2012 |
| Megan Ong | 1518621119 | Behavior Technician | San Diego, CA | 2021 |
| Megan Dominique Ong | 1750928610 | Pharmacist | Duarte, CA | 2019 |
| Melchor Ong, MD | 1245318070 | Internal Medicine Physician | Clovis, CA | 2006 |
| Melinda Ong, APRN, FNP-C | 1548040207 | Family Nurse Practitioner | Orlando, FL | 2023 |
| Melody Ong | 1912602012 | Student in an Organized Health Care Education/Training Program | Houston, TX | 2023 |
| Menchu Ong | 1821234378 | Anatomic Pathology & Clinical Pathology Physician | Shreveport, LA | 2009 |
| Meng-Khiang Ong | 1578268587 | Student in an Organized Health Care Education/Training Program | Fontana, CA | 2023 |
| Meng-Yung Ong, MD | 1023868494 | Student in an Organized Health Care Education/Training Program | Fontana, CA | 2024 |
| Mi Yeun Ong, LCSW | 1700385176 | Clinical Social Worker | Los Angeles, CA | 2018 |
| Michael Ong, MD | 1003898479 | Gastroenterology Physician | Beaumont, TX | 2005 |
| Michael Ong, MD | 1144169970 | Student in an Organized Health Care Education/Training Program | Asheville, NC | 2026 |
| Michael Ong, MD | 1598785776 | Internal Medicine Physician | Los Angeles, CA | 2006 |
| Michael Ong, MD | 1639162969 | Internal Medicine Physician | Vandergrift, PA | 2005 |
| Michael Caezar Ong, RPT | 1063703874 | Physical Therapist | Fort Lauderdale, FL | 2011 |
| Michelle Ong, FNP-BC | 1336658491 | Family Nurse Practitioner | Long Island City, NY | 2017 |
| Michelle Ong, MD | 1699711804 | Emergency Medicine Physician | Chinle, AZ | 2006 |
| Michelle Ong, LMFT | 1780137109 | Marriage & Family Therapist | Pittsburg, CA | 2016 |
| Michelle Ong, M.D. | 1871671594 | Internal Medicine Physician | Orinda, CA | 2006 |
| Mike Ong, PHARM.D | 1063884807 | Pharmacist | Anaheim, CA | 2015 |
| Minh Ong | 1013268788 | Pharmacist | Florence, SC | 2012 |
| Naitivictor Ong, PA | 1013084862 | Physician Assistant | Los Angeles, CA | 2006 |
| Nelson Ong, D.C. | 1972751022 | Chiropractor | Elk Grove, CA | 2008 |
| Ngin Ong, PA-C | 1518371525 | Medical Physician Assistant | Montebello, CA | 2014 |
| Ngoc-Tuyen Ong | 1467608240 | General Practice Dentistry | Schertz, TX | 2008 |
| Nicholas Ong, PHARMD | 1306316476 | Pharmacist | Phoenix, AZ | 2018 |
| Nicolas Ong | 1386271096 | Student in an Organized Health Care Education/Training Program | Temple, TX | 2020 |
| Nina Ong, PA-C | 1184094443 | Physician Assistant | Grand Rapids, MI | 2015 |
| Nina Ong | 1972951846 | Counselor | Las Vegas, NV | 2016 |
| Oliver Ong, M.D. | 1811951734 | Endocrinology, Diabetes & Metabolism Physician | Glendale, CA | 2006 |
| Olivia Ong, MD | 1124021688 | Glaucoma Specialist (Ophthalmology) Physician | Monrovia, CA | 2005 |
| Oscar Ong, CRNA | 1336244078 | Certified Registered Nurse Anesthetist | Southfield, MI | 2006 |
| Ostin John Salgado Ong, MD | 1619679586 | Hospitalist Physician | Mount Vernon, WA | 2023 |
| Otto Ong, PHARM.D. | 1134449853 | Pharmacist | Encinitas, CA | 2010 |
| Pacita Ong, MD | 1366536617 | Internal Medicine Physician | Bronx, NY | 2006 |
| Pamela Ong, PHARMD | 1477147981 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Garfield Heights, OH | 2021 |
| Patrick Ong, PHARM. D. | 1003914839 | Pharmacist | San Francisco, CA | 2006 |
| Patrick Lester Ong | 1538974563 | Nurse Practitioner | Fort Washington, MD | 2025 |
| Paul John Ong, BA | 1295161438 | Rehabilitation Counselor | Las Vegas, NV | 2013 |
| Paul Margarette Ong | 1164062857 | Marriage & Family Therapist | Torrance, CA | 2020 |
| Paula Ong, PA-C | 1730699034 | Physician Assistant | Oakland, CA | 2017 |
| Paulette Ong, PA-C | 1477528073 | Medical Physician Assistant | Davenport, IA | 2006 |
| Paulina Ong, MD, MPH | 1386224921 | Student in an Organized Health Care Education/Training Program | New York, NY | 2021 |
| Peck Ong, MD | 1659478865 | Pediatric Allergy/Immunology Physician | Los Angeles, CA | 2006 |
| Pedro Ong, M.D. | 1265428130 | Internal Medicine Physician | Ozone Park, NY | 2005 |
| Perlita Ong | 1740433986 | Licensed Vocational Nurse | Los Angeles, CA | 2008 |
| Peter Ong, DMD | 1386401750 | Dentist | Saint Louis, MO | 2024 |
| Peter Ong | 1891538203 | Personal Care Attendant | Las Vegas, NV | 2024 |
| Phat Ong, MD | 1356546048 | Diagnostic Radiology Physician | Hackensack, NJ | 2007 |
| Philip Ong, O.D. | 1083769905 | Pediatric Optometrist | San Jose, CA | 2007 |
| Philip Ong, MD | 1093965907 | Pulmonary Disease Physician | San Antonio, TX | 2008 |
| Phoebe Victoria Ong | 1619576063 | Family Nurse Practitioner | Nashville, TN | 2020 |
| Phong Ong, M.D. | 1932398740 | Cardiovascular Disease Physician | Tampa, FL | 2007 |
| Phu Ong, PT, DPT | 1699323253 | Physical Therapist | El Cajon, CA | 2019 |
| Phuong Ong, PHARM D | 1649765710 | Pharmacist | Lake Buena Vista, FL | 2018 |
| Phuong Mai Ong | 1871623215 | General Practice Dentistry | Westminster, CA | 2007 |
| Pia Ong, M.D. | 1831207174 | Hospitalist Physician | Rockford, IL | 2006 |
| Pilar Philamer Ong, PT | 1861726499 | Physical Therapist | Chicago, IL | 2009 |
| Rachel Ong, ND, OMD | 1700548559 | Naturopath | Henderson, NV | 2021 |
| Raissa Madeleine Ong, M.D. | 1528370400 | Pediatrics Physician | Newark, NY | 2010 |
| Ralph Nathanael Ong, PHARM D | 1790152932 | Pharmacist | Highlands Ranch, CO | 2015 |
| Raquel Ong, M.D. | 1972862456 | Endocrinology, Diabetes & Metabolism Physician | Neptune, NJ | 2012 |
| Rebecca Ong | 1649475989 | Acupuncturist | Boston, MA | 2007 |
| Rebecca Ong, MD | 1700198439 | Nephrology Physician | Ocala, FL | 2010 |
| Rebecca Ong, NP | 1801179858 | Adult Health Nurse Practitioner | Rochester, NY | 2011 |
| Rhodora Ong, PT | 1366638199 | Physical Therapist | Lawton, OK | 2007 |
| Ricardo Ong, M.D. | 1972576973 | Clinical Genetics (M.D.) Physician | Fort Liberty, NC | 2006 |
| Richard Ong | 1215632641 | Family Medicine Physician | Loma Linda, CA | 2023 |
| Richard Ong | 1629879523 | Student in an Organized Health Care Education/Training Program | Gainesville, FL | 2025 |
| Richard Ong, M.D. | 1881629251 | Specialist | Santa Ana, CA | 2006 |
| Richard Ong, ATC, LAT | 1891459228 | Athletic Trainer | Moscow, ID | 2021 |
| Ricky Ong | 1699163766 | Student in an Organized Health Care Education/Training Program | Rosemead, CA | 2014 |
| Rina Ong | 1821530858 | Behavior Technician | San Diego, CA | 2016 |
| Ringo George Ong, RN | 1003678012 | Registered Nurse | Hayward, CA | 2024 |
| Roanne Therese Ong | 1245170042 | Licensed Vocational Nurse | Stockton, CA | 2026 |
| Robert Ong, M.D. | 1396729760 | Anesthesiology Physician | Burlington, WI | 2005 |
| Robert Terrill Ong, N.P | 1407235237 | Family Nurse Practitioner | Rowland Heights, CA | 2015 |
| Roger Ong, MD | 1881761799 | Internal Medicine Physician | Harbor City, CA | 2006 |
| Roger Ong, PA | 1992704167 | Physician Assistant | Southfield, MI | 2005 |
| Romeo Ong, MD | 1255314688 | Otolaryngology Physician | Parma, OH | 2005 |
| Ronald Allan Ong, PT | 1467245977 | Physical Therapist | South San Francisco, CA | 2025 |
| Rorthana Ong | 1235972647 | Community Health Worker | Fresno, CA | 2024 |
| Rosa Ong, MD | 1558432435 | Radiation Oncology Physician | Los Angeles, CA | 2006 |
| Rosa Ong, MD | 1669731675 | General Practice Physician | Chicago, IL | 2012 |
| Roxy Ong | 1477418069 | Behavior Technician | Los Angeles, CA | 2025 |
| Ruben Ong, MD | 1063556371 | Surgery Physician | Yardville, NJ | 2007 |
| Russell Ong, PT, DPT | 1245581875 | Physical Therapist | Houston, TX | 2012 |
| Sally Ong, M.D. | 1497194666 | Ophthalmology Physician | High Point, NC | 2013 |
| Samantha Ong | 1366184152 | Surgical Physician Assistant | Fountain Valley, CA | 2022 |
| Samantha Ong, MD | 1871242230 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2022 |
| Samuel Ong, MD | 1356373310 | Internal Medicine Physician | Lakewood, CA | 2006 |
| Samuel Ong, M.D. | 1619991544 | Cardiovascular Disease Physician | Crossville, TN | 2006 |
| San Ong | 1912772492 | Behavior Technician | Dublin, CA | 2023 |
| Sandy Ong | 1821829524 | Behavior Technician | Sugar Land, TX | 2024 |
| Sappho Ong, M.D. | 1437220274 | Emergency Medicine Physician | Jamaica, NY | 2006 |
| Sarah Ong, MS CCC-SLP | 1033605282 | Speech-Language Pathologist | Remer, MN | 2018 |
| Sarah Ong | 1154989978 | Behavior Technician | San Francisco, CA | 2019 |
| Scott Ong | 1447543202 | Pharmacist | Rosemead, CA | 2011 |
| Sea Kan Ong, RPH | 1184021966 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Menomonee Falls, WI | 2014 |
| Sen-Siang Ong | 1003400599 | Behavior Technician | Hayward, CA | 2021 |
| Seng Ong, MD | 1861441693 | Diagnostic Radiology Physician | Chicago, IL | 2006 |
| Shannon Ong, M.D. | 1649596537 | Anesthesiology Physician | Oxnard, CA | 2010 |
| Sharon Ong | 1487751640 | Family Medicine Physician | Honolulu, HI | 2006 |
| Sharon Ong, MD | 1881154003 | Pain Medicine (Physical Medicine & Rehabilitation) Physician | Anchorage, AK | 2019 |
| Shawn Ong, M.D. | 1154778512 | Student in an Organized Health Care Education/Training Program | New Haven, CT | 2016 |
| Shi Qing Ong, PT | 1407588981 | Physical Therapist | Bartonville, TX | 2022 |
| Shirley Ong, O.D. | 1861540205 | Optometrist | Antioch, CA | 2007 |
| Shirley Ong, M.D. | 1972707354 | Neurology Physician | Pittsburgh, PA | 2007 |
| Sierra Ong | 1598308462 | Behavior Technician | Concord, CA | 2019 |
| Sioe Ong, DDS | 1528427853 | Dentist | Artesia, CA | 2016 |
| Sofia Ong | 1699539288 | Student in an Organized Health Care Education/Training Program | Pasadena, CA | 2024 |
| Sokhemra Ong | 1083312037 | Behavior Technician | Rochester, MN | 2023 |
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).