Providers John Oncale, RPH to Annie Ondracek, MD
300 individual NPIs in the federal registry, part 16,238 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. 109 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| John Oncale, RPH | 1699099747 | Pharmacist | Harlingen, TX | 2010 |
| Monica Oncale, LCSW-BACS | 1760672539 | Clinical Social Worker | Thibodaux, LA | 2007 |
| Sarah Oncale, DO | 1912495128 | Internal Medicine Physician | Houma, LA | 2018 |
| Kimberly Oncavage, O.D. | 1336388396 | Optometrist | Trent Woods, NC | 2009 |
| Nicole Oncay | 1356227300 | Hand Occupational Therapist | Fairbanks, AK | 2025 |
| Steven Oncay | 1518944511 | Vascular & Interventional Radiology Physician | St Louis Park, MN | 2005 |
| Carmen Once | 1528608486 | Optician | Waterbury, CT | 2020 |
| Sareena Oncea, RD | 1609207406 | Registered Dietitian | Portland, OR | 2013 |
| Damla Oncel, MD | 1841184660 | Ophthalmology Physician | Chicago, IL | 2025 |
| Deniz Oncel | 1902769987 | Student in an Organized Health Care Education/Training Program | Oak Park, IL | 2025 |
| Dilek Oncel | 1528798253 | Body Imaging Physician | Baltimore, MD | 2022 |
| Muhammed Oncel, MD | 1376482976 | Student in an Organized Health Care Education/Training Program | Port Jefferson, NY | 2026 |
| Natalie Oncel, APRN | 1770314064 | Pediatric Nurse Practitioner | Riverview, FL | 2024 |
| Enid Oncena, OTR/L | 1740419860 | Occupational Therapist | Towson, MD | 2009 |
| Rachell Roda Oncena | 1639385057 | Physical Therapist | Gambrills, MD | 2007 |
| Robert Onchaga | 1558885327 | Nurse Practitioner | Albuquerque, NM | 2017 |
| Alice Onchari | 1912501669 | Pharmacist | San Antonio, TX | 2020 |
| Xenia Onchengco, RN | 1932025988 | Registered Nurse | Garland, TX | 2026 |
| Jami Onchi, RPH | 1013228170 | Pharmacist | Troutdale, OR | 2010 |
| Raymond Onchi, DMD | 1720159221 | General Practice Dentistry | Gresham, OR | 2006 |
| Martha Onchieku | 1801687272 | Behavior Technician | Apple Valley, MN | 2025 |
| Carol Onchiri, RN | 1740780691 | Registered Nurse | Arlington, TX | 2018 |
| Elizabeth (libby) Onchiri, LCSW | 1528837622 | Clinical Social Worker | Bakersfield, CA | 2023 |
| Lilian Onchiri | 1407482748 | Psychiatric/Mental Health Nurse Practitioner | Fort Worth, TX | 2020 |
| Lorraine Onchiri, PHARMD | 1811875305 | Pharmacist | Madison, WI | 2025 |
| Lucy Onchiri | 1215533963 | Occupational Therapy Assistant | Roanoke, TX | 2020 |
| Samuel Onchiri | 1063056042 | Pharmacist | Pollock, LA | 2019 |
| Peter Onchoke, APRN | 1811747827 | Psychiatric/Mental Health Registered Nurse | Marietta, GA | 2024 |
| Thomas Onchoke | 1447947064 | Psychiatric/Mental Health Nurse Practitioner | Mansfield, TX | 2023 |
| Damaris Onchonga, RN,BSN | 1457082745 | Registered Nurse | Snohomish, WA | 2022 |
| Helle Onchonga | 1760376636 | Behavior Technician | Champlin, MN | 2025 |
| Brody Onchuck, DC | 1619745775 | Chiropractor | Wahpeton, ND | 2023 |
| Gladys Onchwati | 1669719035 | Nurse Practitioner | Cherokee, OK | 2013 |
| Judith Onchweri | 1376298547 | Primary Care Nurse Practitioner | San Antonio, TX | 2022 |
| Rosalinda Onciano | 1689379927 | Personal Care Attendant | Las Vegas, NV | 2023 |
| Natalia Oncina, LMHC | 1871102426 | Mental Health Counselor | Seattle, WA | 2020 |
| Angela Onciu, OPTICIAN | 1295834638 | Optician | Ridgewood, NY | 2006 |
| Mihaela Onciu, MD | 1962405746 | Anatomic Pathology Physician | Memphis, TN | 2005 |
| Blanca Oncken | 1659992659 | Pediatric Registered Nurse | Tomball, TX | 2020 |
| Gerald Oncken, PHD, RC | 1265600274 | Counselor | Lynnwood, WA | 2008 |
| John Oncken, LMSW | 1750534103 | Social Worker | San Antonio, TX | 2008 |
| Joshua Oncken, D.C. | 1740321355 | Chiropractor | Bellevue, WA | 2007 |
| Nathaniel Oncken, DC | 1447211214 | Chiropractor | Greenwood, SC | 2006 |
| Nicole Oncken, PHARMD, RPH | 1114598349 | Pharmacist | Grand Forks, ND | 2021 |
| Vicky Oncken, MSN, APRN, FNP-C | 1609333806 | Nurse Practitioner | Bryant, AR | 2019 |
| Philip Oncley, PHD | 1689692832 | Psychologist | Los Alamitos, CA | 2006 |
| Tania Onclinx, MD | 1093098600 | Ophthalmology Physician | Los Angeles, CA | 2011 |
| Kerim Oncu, DO | 1346299245 | Internal Medicine Physician | Jupiter, FL | 2006 |
| Susan Oncu, CRNA | 1629218524 | Certified Registered Nurse Anesthetist | Nellysford, VA | 2009 |
| Nalan Oncul, O.D. | 1780785659 | Optometrist | Totowa, NJ | 2006 |
| Andrea Onda | 1770728628 | Massage Therapist | Boca Raton, FL | 2008 |
| Danielle Onda, CGC | 1043889991 | Genetic Counselor (M.S.) | Aurora, CO | 2021 |
| Dara Onda, LMT | 1740668508 | Massage Therapist | S Yarmouth, MA | 2015 |
| Jana Onda, SLP | 1104060516 | Speech-Language Pathologist | Lowell, IN | 2009 |
| Janae Onda | 1508607615 | Physician Assistant | New York, NY | 2024 |
| Jeffrey Onda | 1477361764 | Licensed Practical Nurse | Elmont, NY | 2024 |
| Pierre Onda, MD | 1811024797 | Internal Medicine Physician | Aurora, CO | 2007 |
| Saki Onda, MD, MPH | 1376930909 | Obstetrics & Gynecology Physician | Honolulu, HI | 2015 |
| Uduak Onda, RN | 1518625466 | Case Management Registered Nurse | Bronx, NY | 2021 |
| Pius Ondachi, LPC-A | 1093137929 | Mental Health Counselor | Durham, NC | 2014 |
| Mary Margaret Ondack, LISW | 1407349020 | Clinical Social Worker | Fairlawn, OH | 2018 |
| Anne Marie Ondak, CRNA | 1285996009 | Certified Registered Nurse Anesthetist | Lees Summit, MO | 2012 |
| Kathleen Ondak | 1134600950 | Physical Rehabilitation Occupational Therapist | Beachwood, OH | 2018 |
| Gidson John Ondap | 1508584780 | Registered Nurse | Richmond, VA | 2022 |
| Adams Ondara, RN | 1124847611 | Continuing Education/Staff Development Registered Nurse | Otsego, MN | 2024 |
| Emilly Ondara, RN | 1598013906 | Registered Nurse | Burnsville, MN | 2012 |
| Joel Ondara | 1407723778 | Licensed Vocational Nurse | Castro Valley, CA | 2025 |
| Philip Ondara, ARNP | 1639611957 | Family Nurse Practitioner | Richland, WA | 2016 |
| Thomas Ondara | 1891567780 | Family Nurse Practitioner | Minneapolis, MN | 2023 |
| Alexander Ondari, MD | 1891057535 | Family Medicine Physician | Fort Wayne, IN | 2012 |
| Claire Ondari | 1952239972 | Student in an Organized Health Care Education/Training Program | Syracuse, NY | 2026 |
| Florence Ondari | 1932759776 | Family Nurse Practitioner | Dallas, TX | 2019 |
| Isabella Ondari | 1871042176 | Family Nurse Practitioner | Sugar Land, TX | 2016 |
| Linet Ondari | 1467201665 | Certified Registered Nurse Anesthetist | Orange, CA | 2024 |
| Robert Ondari, RN | 1164170858 | Registered Nurse | Maplewood, MN | 2022 |
| Paul Ondarko, MD | 1487794459 | Ophthalmology Physician | Grandville, MI | 2007 |
| Denise Ondaro | 1902729155 | Mental Health Counselor | Metairie, LA | 2026 |
| Julia Ondarza, PA-C | 1013537794 | Physician Assistant | Walnut Creek, CA | 2020 |
| Isyania Ondarza Hernandez | 1801384177 | Case Manager/Care Coordinator | Miami, FL | 2018 |
| Grety Ondarza Medina | 1750001269 | Behavior Technician | Plant City, FL | 2022 |
| Lucia Ondarza-Wier | 1528766292 | Mental Health Counselor | Everett, WA | 2023 |
| Carly Ondash, LPC | 1437827268 | Mental Health Counselor | Warren, OH | 2021 |
| Gerald Ondash, MD | 1730102153 | Internal Medicine Physician | Vista, CA | 2006 |
| Kimberly Ondash, C.P. N. | 1841613791 | Nurse Practitioner | Warrensville Heights, OH | 2014 |
| Robert Ondash, M.D. | 1053320069 | Internal Medicine Physician | West Lake Hills, TX | 2006 |
| Emily Ondatje | 1699307660 | Physical Medicine & Rehabilitation Physician | Mountlake Terrace, WA | 2020 |
| Stephanie Ondatje, FNP | 1649755919 | Nurse Practitioner | Springfield, MO | 2018 |
| Natalie Ondayko | 1134760515 | Student in an Organized Health Care Education/Training Program | Plymouth, MI | 2019 |
| Jennylyn Onde | 1952595688 | Physical Therapist | Herrin, IL | 2007 |
| Jocelyn Onde, OTR | 1881717858 | Environmental Modification Occupational Therapist | Merriam, KS | 2007 |
| Cassandra Ondeck, MD | 1508362500 | Obstetrics & Gynecology Physician | Pittsburgh, PA | 2018 |
| Cassondra Ondeck, DPT | 1639717762 | Physical Therapist | Philadelphia, PA | 2019 |
| Courtney Ondeck, M.D. | 1609213719 | Glaucoma Specialist (Ophthalmology) Physician | Boston, MA | 2013 |
| Ericka Ondeck, MS OTRL | 1780699439 | Occupational Therapist | Hazleton, PA | 2006 |
| Lynnette Ondeck, RN | 1407107006 | Registered Nurse | Everson, WA | 2012 |
| Mariah Ondeck | 1508445842 | Internal Medicine Physician | Cleveland, OH | 2021 |
| Michele Ondeck | 1417346545 | Registered Dietitian | Ardmore, PA | 2015 |
| Nathaniel Ondeck, MD, MHS | 1144723966 | Orthopaedic Surgery Physician | Bethel Park, PA | 2018 |
| Chanel Ondecker, CNP | 1417298589 | Neonatal Nurse Practitioner | Cleveland, OH | 2013 |
| Juliann Ondecker, D.O. | 1740674118 | Internal Medicine Physician | Columbus, OH | 2015 |
| Melodie Ondecker, LCSW | 1659852952 | Clinical Social Worker | Indianapolis, IN | 2018 |
| Olivia Ondecker | 1578079075 | Mental Health Counselor | Youngstown, OH | 2017 |
| Haley Ondecko | 1487067203 | Pharmacist | Harmony, PA | 2014 |
| Krysta Ondecko | 1932508884 | Pharmacist | Bridgeville, PA | 2014 |
| Kristin Ondecko Ligda | 1689871022 | Anesthesiology Physician | Pittsburgh, PA | 2007 |
| Donna Ondek, NCMT, LMT | 1811278468 | Massage Therapist | Trexlertown, PA | 2011 |
| Elena Ondek | 1811847072 | Behavior Technician | Fairfax, VA | 2026 |
| George Ondek, ACSW | 1093573685 | Clinical Social Worker | Los Angeles, CA | 2024 |
| Rachel Ondek, PA-C | 1003299637 | Physician Assistant | Laurinburg, NC | 2015 |
| George Ondeng | 1942193644 | Behavior Technician | San Pablo, CA | 2025 |
| Carolyne Ondenge, RN | 1346541505 | Licensed Practical Nurse | Poughkeepsie, NY | 2010 |
| Charles Ondepe | 1346791316 | Home Health Aide | Landover Hills, MD | 2016 |
| Ali Mirza Onder, M.D. | 1124128996 | Pediatric Nephrology Physician | Memphis, TN | 2006 |
| Alyson Onder, OTR/L | 1821899386 | Occupational Therapist | State College, PA | 2025 |
| Baran Onder, M.D. | 1205000460 | Family Medicine Physician | Chico, CA | 2008 |
| Christina Onder, FNP-BC | 1235704354 | Family Nurse Practitioner | Jefferson City, MO | 2021 |
| Cynthia Onder, MA CCCSLP | 1538254735 | Speech-Language Pathologist | Bethesda, MD | 2006 |
| David Onder, PMHNP-BC | 1952036923 | Psychiatric/Mental Health Nurse Practitioner | Canton, OH | 2022 |
| Halee Onder, PA-C | 1508851312 | Medical Physician Assistant | Mars, PA | 2005 |
| Jared Onder, CRNA | 1316482953 | Certified Registered Nurse Anesthetist | Grand Rapids, MN | 2017 |
| Joshua Onder, PA-C | 1831119833 | Medical Physician Assistant | Pittsburgh, PA | 2006 |
| Kelsey Onder, RN | 1164313052 | Emergency Registered Nurse | Indiana, PA | 2025 |
| Kelsey Onder, CRNP | 1710430145 | Family Nurse Practitioner | Johnstown, PA | 2016 |
| Megan Onder, FNP-C | 1821540311 | Family Nurse Practitioner | Saint Louis, MO | 2016 |
| Megan Onder, PHARMD | 1871113985 | Psychiatric Pharmacist | Little Rock, AR | 2020 |
| Nicole Onder, PA | 1629153713 | Physician Assistant | Hazleton, PA | 2006 |
| Omer Onder, MD | 1881374155 | Diagnostic Radiology Physician | Pittsburgh, PA | 2023 |
| Robert Onder, M.D. | 1164533295 | Allergy Physician | Saint Louis, MO | 2006 |
| Robert Onder, PHARM.D. | 1689901183 | Pharmacist | Medina, OH | 2009 |
| Songul Onder, M.D. | 1588875694 | Nephrology Physician | Baltimore, MD | 2007 |
| Stephen Onder, PA | 1942266937 | Surgical Physician Assistant | Kettering, OH | 2006 |
| Beverly Ondera, LPCC | 1639611940 | Professional Counselor | Jackson, OH | 2016 |
| Marek Ondera, LMFT | 1649401092 | Marriage & Family Therapist | Mill Valley, CA | 2009 |
| Dawn Onderak, RN | 1013752393 | Registered Nurse | Lexington, OH | 2024 |
| Gail Onderak, MS | 1598470882 | Professional Counselor | Rochester, MN | 2023 |
| Jennifer Onderak, PT | 1881183176 | Physical Therapist | Newburgh, IN | 2018 |
| John Onderak, D.D.S. | 1528176492 | General Practice Dentistry | Beloit, WI | 2006 |
| Christina Ondercin | 1053793497 | Nurse Practitioner | Fort Wayne, IN | 2015 |
| Joseph Ondercin, PHYSICIAN ASSISTANT | 1336269828 | Medical Physician Assistant | Philadelphia, PA | 2007 |
| Amy Onderdonk, CCC-SLP | 1821304908 | Speech-Language Pathologist | Pasadena, CA | 2010 |
| Barbara Onderdonk, OTR, CHT | 1164520268 | Hand Occupational Therapist | Northport, NY | 2006 |
| Benjamin Onderdonk, M.D. | 1013370295 | Radiation Oncology Physician | Rochester, NY | 2016 |
| Christopher Onderdonk, LCSW | 1194028951 | Clinical Social Worker | La Mesa, CA | 2010 |
| Joshua Onderdonk | 1134700180 | Behavior Technician | Farmington Hills, MI | 2021 |
| Lauren Onderdonk, M.S. | 1003247594 | Speech-Language Pathologist | Fair Lawn, NJ | 2013 |
| Mark Onderdonk | 1952710469 | Developmental Therapist | Worcester, MA | 2014 |
| Mary Onderdonk, DNP, CRNP | 1245802156 | Gerontology Nurse Practitioner | Towson, MD | 2021 |
| Matthew Onderdonk, PT | 1710317607 | Physical Therapist | Redmond, OR | 2013 |
| Meghan Onderdonk, MA, LPC, MT-BC | 1881173284 | Professional Counselor | Pottstown, PA | 2018 |
| Nona Onderdonk, RBT | 1396496162 | Behavior Technician | O Fallon, IL | 2022 |
| Rebecca Onderdonk | 1255960480 | Behavior Technician | Tacoma, WA | 2020 |
| Samantha Onderdonk, DPT | 1215793211 | Physical Therapist | Rochester, NY | 2024 |
| Asenath Onderi | 1427538966 | Licensed Vocational Nurse | Irving, TX | 2018 |
| Simon Onderi, M.D | 1871850438 | Neuroradiology Physician | New Haven, CT | 2012 |
| Vicky Onderi Osoro, RN | 1851198436 | Home Health Registered Nurse | Bloomington, MN | 2025 |
| Christine Onderick | 1427633569 | Behavior Technician | Barstow, CA | 2021 |
| Natalie Onderick | 1497390629 | Professional Counselor | Greensburg, PA | 2019 |
| Paul Onderick, O.D. | 1134368863 | Optometrist | White Bear Lake, MN | 2009 |
| Terrence Onderick, LCSW | 1649572587 | Case Manager/Care Coordinator | Washington, DC | 2010 |
| Damian Onderisin | 1205323631 | Behavior Technician | Carlsbad, CA | 2018 |
| Autumn Onderko | 1366177297 | Behavior Technician | Honolulu, HI | 2022 |
| Elizabeth Onderko | 1912876673 | Driver | Chillicothe, OH | 2025 |
| George Onderko, D.O. | 1689863409 | Hospitalist Physician | Columbus, OH | 2007 |
| Janelle Onderko | 1992188361 | Marriage & Family Therapist | Roseville, CA | 2015 |
| John Onderko, PAC | 1548231863 | Physician Assistant | Johnstown, PA | 2006 |
| Kaylee Onderko, M.A.CCC-SLP | 1487213146 | Speech-Language Pathologist | Austin, TX | 2019 |
| Laura Onderko, MD | 1174919864 | Cardiovascular Disease Physician | Lewiston, ME | 2015 |
| Lauren Onderko | 1821434408 | Mental Health Counselor | San Leandro, CA | 2013 |
| Michael Onderko | 1629651419 | Clinical Social Worker | Columbus, OH | 2021 |
| Nicole Onderko, COTA/L | 1972759538 | Community Health Worker | Andover, OH | 2008 |
| Pamela Onderko, D.P.M. | 1366413775 | Podiatrist | Macon, GA | 2006 |
| Sarah Onderko, DPT | 1255908521 | Physical Therapist | Frederick, MD | 2021 |
| Svetlana Onderko, D.O. | 1225217235 | Internal Medicine Physician | York, PA | 2007 |
| Ashley Onderlinde, PEER | 1093171779 | Community Health Worker | Greeley, CO | 2016 |
| Christina Onderlinde, PT, DPT | 1487296299 | Physical Therapist | Kalamazoo, MI | 2019 |
| Thomas Onderlinde, PA-C | 1326567264 | Physician Assistant | Kalamazoo, MI | 2017 |
| Amity Onders, M.D. | 1770970410 | Family Medicine Physician | Castle Rock, CO | 2015 |
| Bridget Onders, M.D. | 1538691597 | Emergency Medicine Physician | Columbus, OH | 2017 |
| Colleen Onders, LSW | 1104372705 | Social Worker | Hamilton, OH | 2016 |
| Matthew Onders | 1801536024 | Internal Medicine Physician | Columbus, OH | 2022 |
| Raymond Onders, MD | 1033139712 | Surgery Physician | Cleveland, OH | 2006 |
| Robert Onders, MD | 1104917517 | Family Medicine Physician | Anchorage, AK | 2006 |
| Shannon Onders, RD, LD | 1275333288 | Registered Dietitian | Cleveland, OH | 2025 |
| Defne Ondersev | 1497621452 | Behavior Technician | San Diego, CA | 2025 |
| Benjamin Ondersma, O.D. | 1649590936 | Optometrist | Columbia, SC | 2010 |
| Julie Ondersma, FNP, CNM | 1538312889 | Advanced Practice Midwife | Zeeland, MI | 2008 |
| Kari Ondersma | 1255834479 | Occupational Therapist | Grand Rapids, MI | 2018 |
| Kristine Ondersma, RNFA | 1598268559 | Registered Nurse First Assistant | Ventura, CA | 2018 |
| Lisa Ondersma, A-GNP | 1457801250 | Adult Health Nurse Practitioner | Holland, MI | 2016 |
| Mackenzie Ondersma, ATC | 1871130237 | Athletic Trainer | Grand Rapids, MI | 2019 |
| Margaret Ondersma, DMD | 1003104746 | General Practice Dentistry | Cameron, SC | 2011 |
| Nichole Ondersma, LMSW | 1083936736 | Clinical Social Worker | Ann Arbor, MI | 2010 |
| Nolan Ondersma, IOM | 1316789415 | Electroneurodiagnostic Specialist/Technologist | San Antonio, TX | 2024 |
| Rachel Ondersma, LCSW | 1154587178 | Clinical Social Worker | Evanston, IL | 2008 |
| Ross Ondersma, MD | 1841403110 | Diagnostic Radiology Physician | Lynnwood, WA | 2007 |
| Steven Ondersma, PHD LLP | 1447290937 | Psychologist | Detroit, MI | 2006 |
| Susan Onderwyzer, LICSW | 1679800957 | Clinical Social Worker | Exeter, NH | 2009 |
| Abigail Onderwyzer Gold | 1629828843 | Psychiatry Physician | Los Angeles, CA | 2024 |
| Brittany Ondes, PHARMD | 1558965707 | Pharmacist | Taylorville, IL | 2020 |
| John Ondesko, RPH | 1841312220 | Pharmacist | Niagara Falls, NY | 2007 |
| Giselle Ondetti, FNP | 1376864181 | Family Nurse Practitioner | Portland, OR | 2010 |
| Evelyn Ondevilla | 1396348215 | Registered Nurse | Danville, IL | 2020 |
| Amy Ondeyka, M.D. | 1700144904 | Emergency Medicine Physician | Glassboro, NJ | 2012 |
| Elizabeth Ondeyo | 1205641586 | Licensed Practical Nurse | Bismarck, ND | 2025 |
| Inbal Ondhia, SLP-CCC | 1841500451 | Speech-Language Pathologist | Mountain View, CA | 2010 |
| Livia Ondi, LMFT | 1548539166 | Marriage & Family Therapist | San Francisco, CA | 2011 |
| Christa Ondiak, MS CCC-SLP | 1649748542 | Speech-Language Pathologist | Falls Church, VA | 2018 |
| Arno Ondiano, PT | 1477029882 | Geriatric Physical Therapist | Orange, TX | 2018 |
| Ray Ondiano | 1679158612 | Registered Nurse | Arverne, NY | 2021 |
| Annouchka Ondias-Kouame, PHARMD | 1659266120 | Pharmacist | Washington, DC | 2025 |
| David Ondich, M.D. | 1407928690 | Psychiatry Physician | Saint Paul, MN | 2006 |
| Kajal Ondich | 1659224186 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2026 |
| Michael Ondich, D.O. | 1871587394 | Family Medicine Physician | Kittanning, PA | 2005 |
| Joseph Ondicho, DNP / PMHNP | 1578417937 | Psychiatric/Mental Health Nurse Practitioner | Ramsey, MN | 2026 |
| Ryan Ondick, D.C. | 1912172578 | Chiropractor | Portland, OR | 2008 |
| Leah Ondiek, LPC-S | 1568707669 | Professional Counselor | Mansfield, TX | 2012 |
| Lucina Ondiek, RN | 1912411646 | Registered Nurse | Allentown, PA | 2017 |
| Wendy Ondiek, PHARMD | 1053941179 | Pharmacist | Glendale, AZ | 2020 |
| Benjamin Ondieki, FNP-C | 1023723202 | Family Nurse Practitioner | Wichita, KS | 2023 |
| Charles Ondieki, PHARM D | 1144826009 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Willis, TX | 2020 |
| Christine Ondieki | 1124653241 | Pharmacist | Spring, TX | 2020 |
| Damaris Ondieki, FNP-C | 1477048767 | Family Nurse Practitioner | Macon, GA | 2018 |
| Edward Ondieki, RPH | 1922382035 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Houston, TX | 2011 |
| Elvis Ondieki | 1982466520 | Psychiatric/Mental Health Nurse Practitioner | Albuquerque, NM | 2024 |
| Fredrick Ondieki | 1134829542 | Medical-Surgical Registered Nurse | Wichita, KS | 2023 |
| Irene Ondieki | 1922892827 | Administrator Registered Nurse | Newtown, CT | 2025 |
| Jeff Ondieki, APRN, MSN, CNP, FNP | 1063262384 | Family Nurse Practitioner | Houston, TX | 2024 |
| Rita Ondieki | 1447448287 | Registered Nurse | Blaine, MN | 2007 |
| Stella Ondieki, FNP | 1659810406 | Family Nurse Practitioner | Lancaster, CA | 2017 |
| Tecla Ondieki | 1487146312 | Registered Nurse | Buffalo, MN | 2018 |
| Wilfred Ondieki, REGISTERED NURSE | 1104618594 | Nursing Home Administrator | Fort Worth, TX | 2025 |
| Olivia Ondigi | 1720615719 | Student in an Organized Health Care Education/Training Program | Charlottesville, VA | 2020 |
| Leakey Ondigo | 1871093518 | Registered Nurse | Fort Worth, TX | 2018 |
| Darrell Ondik, LLMSW | 1578152609 | Social Worker | Ann Arbor, MI | 2021 |
| Michael Ondik, M.D. | 1457578791 | Otolaryngology Physician | Langhorne, PA | 2007 |
| Virginia Ondik, CRNA | 1598114696 | Certified Registered Nurse Anesthetist | Wheeling, WV | 2016 |
| Judith Ondimu | 1003316696 | Licensed Vocational Nurse | Fort Worth, TX | 2018 |
| Karen Ondimu, RN | 1912786872 | Registered Nurse | Tacoma, WA | 2023 |
| Kennedy Ondimu | 1790259695 | Behavior Analyst | Newton, MA | 2019 |
| Lucas Ondimu, PTA | 1508625237 | Physical Therapy Assistant | Grand Prairie, TX | 2024 |
| Aida Ondina | 1043655475 | Counselor | Las Vegas, NV | 2013 |
| Monica Ondina, PHARMD | 1316321805 | Pharmacist | Fajardo, PR | 2015 |
| Pedro Ondina-Diaz, MD | 1922567890 | Diagnostic Radiology Physician | Westchase, FL | 2019 |
| Colleen Ondis, PHARMACIST | 1831305176 | Pharmacist | Pensacola, FL | 2007 |
| George Ondis, PHD | 1619081130 | Psychologist | Bridgeville, PA | 2006 |
| Jessica Onditi | 1538910559 | Registered Nurse | Shrewsbury, MA | 2024 |
| Kennedy Onditi | 1881147395 | Independent Duty Corpsman | Groton, CT | 2016 |
| Mary Onditi | 1023954690 | Behavior Technician | Phoenix, AZ | 2026 |
| Kamatchi Ondiveerappan, MD | 1003893959 | Emergency Medicine Physician | Mount Carmel, IL | 2005 |
| Suzanne Ondjewaine Kadjo | 1811605025 | Home Health Aide | Germantown, MD | 2022 |
| Amy Ondler, LISW | 1265013361 | Social Worker | Spencer, IA | 2021 |
| Cory Ondler, D.O. | 1457641342 | Emergency Medicine Physician | Emmett, ID | 2011 |
| Jessica Ondler, MS, LPC | 1356786891 | Professional Counselor | Rochester, MN | 2013 |
| Lynette Ondler | 1659551190 | Licensed Practical Nurse | Golden, CO | 2007 |
| Andrew Ondo, M.D. | 1275536559 | Dermatology Physician | Las Cruces, NM | 2005 |
| Autumn Ondo, MSW | 1891460077 | Clinical Social Worker | Hazlet, NJ | 2021 |
| Christopher Ondo, PHARMD. | 1811413800 | Pharmacist | Monroe, GA | 2017 |
| Emily Ondo | 1275382509 | Athletic Trainer | Upper St Clair, PA | 2024 |
| Florence Ondo | 1851994578 | Licensed Vocational Nurse | Tyler, TX | 2020 |
| Janelle Ondo, NP | 1235873019 | Nurse Practitioner | Midlothian, VA | 2022 |
| Jennifer Ondo, NCC, LAC, ATR-P | 1740752112 | Mental Health Counselor | West Orange, NJ | 2018 |
| Joseph Ondo | 1700624780 | Case Manager/Care Coordinator | Athens, OH | 2024 |
| Katharine Ondo, CCC-SLP | 1164996187 | Speech-Language Pathologist | Cincinnati, OH | 2019 |
| Louella Ondo, CRNP | 1962485367 | Family Nurse Practitioner | Home, PA | 2005 |
| Michael Ondo, D.D.S. | 1083837553 | Endodontics | Bend, OR | 2007 |
| Paul Allen Ondo | 1124531587 | Physical Therapist | Indianapolis, IN | 2017 |
| Paula Ondo | 1780354506 | Personal Care Attendant | Independence, WV | 2021 |
| Robyn Ondo, LCSW | 1962692590 | Counselor | Lake Villa, IL | 2007 |
| Vanessa Ondo, ARNP | 1427869411 | Critical Care Pediatric Nurse Practitioner | Seattle, WA | 2025 |
| William Ondo, M.D. | 1851471437 | Neurology Physician | Houston, TX | 2006 |
| Iria Ondo Bengone, DDS | 1366054223 | Dentist | Laurel, MD | 2020 |
| Marguerite Marie Ondoa, PMHNP | 1922898782 | Adult Psychiatric/Mental Health Registered Nurse | Fort Worth, TX | 2025 |
| Charles Henri Ondobo, NP | 1861929465 | Family Nurse Practitioner | Cleveland, OH | 2017 |
| Georgette Ondobo, MSN | 1881973162 | Nurse Practitioner | Middletown, DE | 2011 |
| Philip Ondocin, M.D. | 1902888506 | Nephrology Physician | Syracuse, NY | 2005 |
| Allison Ondocsin, LPC | 1851758049 | Professional Counselor | Dallas, TX | 2016 |
| Brian Ondocsin, DMD | 1669729430 | Dentist | Columbia, SC | 2012 |
| Solomon Ondoma, M.B., B.CH, MD | 1346538527 | Neurological Surgery Physician | Mason City, IA | 2011 |
| Melanie Ondong, DNP, FNP-C | 1952858755 | Family Nurse Practitioner | Lacey, WA | 2016 |
| Aurore Ondongo | 1720530363 | Nurse's Aide | Silver Spring, MD | 2016 |
| Melissa Ondongo Akoa | 1922925684 | Registered Nurse | Brooklyn, NY | 2026 |
| Judith Ondoro | 1811457948 | Registered Nurse | New Brighton, MN | 2019 |
| Iris Ondoua | 1366269847 | Behavior Technician | Indianapolis, IN | 2024 |
| Laurence Ondoua | 1417754680 | Home Health Aide | Washington, DC | 2025 |
| Brooke Ondov, PHARMD | 1124489414 | Pharmacist | Clovis, NM | 2016 |
| Rhoda Ondov, LMFT | 1467043398 | Counseling Psychologist | Somerville, NJ | 2021 |
| Frederic Ondovchak, R.N., M.S.N., A.P.R. | 1932503802 | Family Nurse Practitioner | Dewey, AZ | 2014 |
| Arel Ondoy, D.M.D. | 1255457164 | General Practice Dentistry | Oak Forest, IL | 2007 |
| Eric Ondoy, D.M.D. | 1659422350 | General Practice Dentistry | Orland Park, IL | 2007 |
| Jessica Ondoy, MS, FNP-BC, RN, CEN | 1538561683 | Family Nurse Practitioner | Weslaco, TX | 2014 |
| Miles Ondoy, DO | 1184315269 | Student in an Organized Health Care Education/Training Program | Moreno Valley, CA | 2023 |
| Shuemara Kates Ondoy, MD | 1467089433 | Hospitalist Physician | San Antonio, TX | 2020 |
| Gerald Ondr, MD | 1285772046 | Diagnostic Radiology Physician | Springfield, MO | 2007 |
| Aaron Ondra | 1184975591 | Professional Counselor | Detroit, MI | 2012 |
| Gordon Ondra, MD | 1073012738 | Anesthesiology Physician | Lakeland, FL | 2018 |
| Stephen Ondra, MD | 1013942010 | Neurological Surgery Physician | Chicago, IL | 2006 |
| Alex Ondracek, DO | 1033797394 | Hospitalist Physician | Kansas City, MO | 2021 |
| Andrew Ondracek, MD | 1528057585 | Diagnostic Radiology Physician | Glendale, AZ | 2005 |
| Andrew Ondracek | 1689251258 | Student in an Organized Health Care Education/Training Program | Saint Petersburg, FL | 2021 |
| Annie Ondracek, MD | 1528695541 | Internal Medicine Physician | San Diego, CA | 2020 |
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).