Providers Francis Ostrea, MD to Arthur Ostrov, M.D.
300 individual NPIs in the federal registry, part 16,358 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. 99 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Francis Ostrea, MD | 1184910101 | General Practice Physician | Dover, DE | 2011 |
| Geraldine Ostrea, DO | 1548020043 | Student in an Organized Health Care Education/Training Program | San Jose, CA | 2024 |
| Jemimah Ostrea | 1467255208 | Student in an Organized Health Care Education/Training Program | Visalia, CA | 2025 |
| Joaquin Ostrea, PT | 1326317975 | Orthopedic Physical Therapist | Howard Beach, NY | 2011 |
| Marilou Ostrea, MD | 1427347590 | Pediatrics Physician | Turlock, CA | 2011 |
| Naya Ostrea, BA | 1992578421 | Behavior Technician | San Juan Capistrano, CA | 2023 |
| Rhodora Ostrea, MD | 1366415564 | Family Medicine Physician | Denton, TX | 2006 |
| Kristen Ostrega | 1336624337 | Speech-Language Pathologist | St Augustine, FL | 2018 |
| Tahani Ostrega | 1629407556 | Case Manager/Care Coordinator | Los Angeles, CA | 2013 |
| Shirley Ostrega Schwartzman, LCSW | 1386616233 | Clinical Social Worker | Elizabeth, NJ | 2006 |
| Richard Ostreich, M.D. | 1134293509 | Obstetrics & Gynecology Physician | Ronkonkoma, NY | 2006 |
| Brie Ostreicher | 1063969756 | Mental Health Counselor | Hyde Park, MA | 2016 |
| Daniela Ostreicher | 1699384354 | Behavior Technician | Chestnut Hill, MA | 2020 |
| David Ostreicher, DDS | 1952520348 | Dentist | Levittown, NY | 2007 |
| Ellen Ostreicher, ARNP | 1396914479 | Adult Health Nurse Practitioner | Rindge, NH | 2008 |
| Ester Ostreicher | 1568179430 | Specialist | Brooklyn, NY | 2022 |
| Eve Ostreicher | 1114222411 | Community Health Worker | Brooklyn, NY | 2011 |
| Jennifer Ostreicher | 1447515192 | Speech-Language Pathologist | Phoenix, AZ | 2012 |
| Marc Ostreicher, M.D. | 1831420967 | Internal Medicine Physician | Cedarhurst, NY | 2010 |
| Melanie Ostreicher, OTR/L | 1225830144 | Pediatric Occupational Therapist | Brooklyn, NY | 2025 |
| Mindy Ostreicher | 1871834150 | Specialist | Brooklyn, NY | 2013 |
| Pearl Ostreicher | 1851654669 | School Psychologist | Brooklyn, NY | 2012 |
| Richard Ostreicher, MD | 1568540359 | Dermatology Physician | Oakland, CA | 2006 |
| Sarah Ostrelich, BCBA | 1174130561 | Behavior Analyst | Upper Marlboro, MD | 2020 |
| Amy Ostrem, LPC | 1558705731 | Professional Counselor | Wausau, WI | 2013 |
| Brandee Ostrem, LMSW | 1396394235 | Social Worker | Sioux City, IA | 2019 |
| Bridget Ostrem, M.D., PH.D. | 1275994188 | Neurology Physician | Boston, MA | 2016 |
| Chanel Ostrem, DO | 1518581164 | Family Medicine Physician | Yakima, WA | 2020 |
| Chantel Ostrem, MS, OTR/L | 1376798579 | Occupational Therapist | Sioux Falls, SD | 2008 |
| Charleen Ostrem, ARNP | 1881020436 | Family Nurse Practitioner | West Des Moines, IA | 2013 |
| Cynthia Ostrem, MS, RCEP, CES | 1982972089 | Clinical Exercise Physiologist | Viroqua, WI | 2011 |
| Dennis Ostrem, MD | 1336227040 | Hospitalist Physician | Carmichael, CA | 2006 |
| Eric Ostrem, O.D., M.S. | 1043245566 | Optometrist | Columbus, OH | 2006 |
| Erica Ostrem, PTA | 1316304819 | Physical Therapy Assistant | Ames, IA | 2016 |
| Francine Ostrem, PH.D., MFT | 1508103201 | Marriage & Family Therapist | Berkeley, CA | 2013 |
| Haley Ostrem, COTA/L | 1154073849 | Occupational Therapy Assistant | Gilbert, AZ | 2022 |
| Hollyanne Ostrem, MPT | 1205369550 | Physical Therapist | Gastonia, NC | 2017 |
| Jessalyn Ostrem, MS, OTR/L | 1093216061 | Occupational Therapist | Rugby, ND | 2018 |
| Jill Ostrem, MD | 1013948751 | Neurology Physician | San Francisco, CA | 2006 |
| Jonathan Ostrem, M.D., PH.D. | 1225486988 | Internal Medicine Physician | Boston, MA | 2016 |
| Justin Ostrem, DDS | 1831267467 | General Practice Physician | Plymouth, MN | 2006 |
| Kathryn Ostrem, MED, RD, CDE | 1598088387 | Registered Dietitian | Tehachapi, CA | 2010 |
| Kristen Ostrem, MSN, CNM, CFNP | 1811081292 | Advanced Practice Midwife | Albuquerque, NM | 2006 |
| Kristine Ostrem | 1366311623 | Licensed Practical Nurse | West Islip, NY | 2025 |
| Lynne Ostrem | 1356275218 | Personal Care Attendant | Rugby, ND | 2026 |
| Mark Ostrem, MD | 1811985633 | Geriatric Medicine (Internal Medicine) Physician | Quincy, MA | 2005 |
| Melissa Ostrem | 1205319878 | Mental Health Counselor | West Des Moines, IA | 2018 |
| Philip Ostrem, RPH | 1710265657 | Pharmacist | Washington, IA | 2011 |
| Quincy Ostrem, PHARMD, MBA | 1720742364 | Pharmacist | Boise, ID | 2021 |
| Rick Ostrem | 1245164193 | Personal Care Attendant | Rugby, ND | 2026 |
| Sharlee Ostrem, AA | 1508144726 | Licensed Practical Nurse | Lakewood, WA | 2011 |
| Wenda Ostrem, RPH | 1154466613 | Pharmacist | Iowa City, IA | 2007 |
| Cheryl Ostrenga, OT | 1437353430 | Occupational Therapist | Burlington, WI | 2007 |
| James Ostrenga, M.D. | 1801983648 | Cardiovascular Disease Physician | Naperville, IL | 2006 |
| Jennifer Ostrenga, RN | 1861355190 | Ambulatory Care Registered Nurse | Madison, WI | 2025 |
| Iger Ostreni, DO | 1649929779 | Internal Medicine Physician | Bradenton, FL | 2022 |
| Sara Ostrenko | 1578144390 | Registered Nurse | Elmwood Park, NJ | 2021 |
| Allison Ostrer, INTERPRETER | 1942873492 | Interpreter | Seattle, WA | 2021 |
| Harry Ostrer, M.D. | 1639163272 | Molecular Genetic Pathology (Medical Genetics) Physician | Oklahoma City, OK | 2005 |
| Isabel Ostrer | 1912587726 | Internal Medicine Physician | San Francisco, CA | 2021 |
| Lily Ostrer, MD | 1821592155 | Infectious Disease Physician | San Diego, CA | 2018 |
| Sofia Ostrer, DMD,MSD | 1114943966 | Periodontics | Somerville, MA | 2006 |
| Yuliya Ostrerov, MD | 1437263332 | Pediatrics Physician | Waltham, MA | 2006 |
| Shelby Ostrewich, LLMSW | 1871482406 | Clinical Social Worker | Ann Arbor, MI | 2025 |
| Gabriela Ostria | 1609283217 | Speech-Language Pathologist | Houston, TX | 2014 |
| Katerina Ostriakova | 1871393819 | Family Nurse Practitioner | Santa Barbara, CA | 2025 |
| Shelley Ostric, MD | 1063388965 | Family Medicine Physician | Grand Haven, MI | 2025 |
| Srdjan Ostric, MD | 1235197088 | Plastic Surgery Physician | Muskegon, MI | 2006 |
| John Ostrich, MD | 1154495463 | Family Medicine Physician | Sacramento, CA | 2006 |
| Mary Ostrich | 1508758244 | Behavior Technician | Centennial, CO | 2025 |
| Timothy Ostrich, PSY.D. | 1871694232 | Clinical Psychologist | Indiana, PA | 2006 |
| David Ostrick, O.D. | 1831114073 | Optometrist | La Place, LA | 2006 |
| Jennifer Ostrick Cronrath, FNP-C | 1841672011 | Family Nurse Practitioner | Portland, OR | 2015 |
| Liza Ostrie, OTR/L | 1144513300 | Occupational Therapist | New York, NY | 2011 |
| Glenn Ostriker, M.D. | 1003995796 | Ophthalmology Physician | Stamford, CT | 2006 |
| Jeffery Ostriker, M.D. | 1669482303 | Family Medicine Physician | Torrance, CA | 2006 |
| Scott Ostriker, PHARM.D. | 1164410460 | Pharmacotherapy Pharmacist | Kirkland, WA | 2005 |
| Nicole Ostrikis, PA-C | 1932686144 | Physician Assistant | Boston, MA | 2018 |
| Edwin Ostrin, MD, PHD | 1073667887 | Pulmonary Disease Physician | Houston, TX | 2007 |
| Joanne Ostrin, RADT | 1811750441 | Addiction (Substance Use Disorder) Counselor | Roseville, CA | 2024 |
| Lisa Ostrin, O.D. | 1902933484 | Optometrist | Houston, TX | 2007 |
| Olivia Ostrin, M.ED L.P.C. | 1902987316 | Mental Health Counselor | Houston, TX | 2006 |
| Samuel Ostrin, DO | 1609677517 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2025 |
| Stacey Ostrin, MD | 1770795460 | Family Medicine Physician | Vancouver, WA | 2007 |
| Yevgeniy Ostrinsky, MD | 1790998771 | Gastroenterology Physician | Cleburne, TX | 2007 |
| Gail Ostrishko, LPC | 1891062261 | Professional Counselor | Surf City, NC | 2011 |
| Alexander Ostrizhnyuk, SOIDC | 1831062785 | Independent Duty Corpsman | Camp Pendleton, CA | 2025 |
| Alla Ostro | 1881862134 | Occupational Therapist | New Port Richey, FL | 2008 |
| Anna Ostro | 1023394459 | School Social Worker | Bronx, NY | 2011 |
| Benjamin Ostro, M.D. | 1831455591 | Emergency Medicine Physician | Columbus, OH | 2012 |
| Daniel Ostro, M.D. | 1164863684 | Student in an Organized Health Care Education/Training Program | Brooklyn, NY | 2013 |
| Dmitry Ostro | 1538583695 | Certified Registered Nurse Anesthetist | Gamaliel, AR | 2014 |
| Elliott Ostro, DMD | 1992859938 | Oral and Maxillofacial Surgery (Dentist) | New York, NY | 2007 |
| Mara Ostro, MS., SLP-CCC | 1255015608 | Speech-Language Pathologist | Providence, RI | 2023 |
| Martin Ostro, M.D. | 1467423848 | Allergy & Immunology Physician | Brookline, MA | 2006 |
| Natalie Ostro, M.D. | 1124415583 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Mountain Home, AR | 2015 |
| Nicole Ostro | 1548616204 | Student in an Organized Health Care Education/Training Program | Buffalo, NY | 2016 |
| Sean Ostro, D.D.S. | 1336303601 | Student in an Organized Health Care Education/Training Program | Rochester, NY | 2008 |
| Shelly Ostro | 1326766775 | Psychoanalyst | New York, NY | 2022 |
| Shirly Ostro Gilad, BCBA, RN, FNP, MS | 1972836393 | Behavior Analyst | Boca Raton, FL | 2009 |
| Helen Ostro-Brown, M.D. | 1215027578 | Family Medicine Physician | Royal Oak, MI | 2006 |
| Layne Ostrochovsky, LMT | 1215163969 | Massage Therapist | Portland, OR | 2009 |
| Rebekah Ostrode | 1013561372 | Physical Therapist | Youngstown, OH | 2019 |
| Leanne Ostrodka, M.D. | 1184850554 | Pediatrics Physician | Hinsdale, IL | 2009 |
| Amy Ostrofe, MD | 1942569645 | Orthopaedic Surgery Physician | Ginowan, CA | 2012 |
| Shaun Ostrofe, DO | 1386102952 | Dermatology Physician | San Diego, CA | 2019 |
| Alison Ostroff, MS CCC-SLP | 1245584648 | Speech-Language Pathologist | Downingtown, PA | 2012 |
| Allison Ostroff, M.D. | 1720262397 | Internal Medicine Physician | Greenwich, CT | 2007 |
| Amanda Ostroff, PSYD | 1386337459 | Counseling Psychologist | Williamsburg, VA | 2023 |
| Anne Ostroff, PH.D. | 1811043094 | Clinical Psychologist | New City, NY | 2007 |
| Audrey Ostroff, P.T. | 1174635809 | Physical Therapist | Chicago, IL | 2006 |
| Barry Ostroff, M.D. | 1619279379 | Preventive Medicine/Occupational Environmental Medicine Physician | Bridgeport, CT | 2010 |
| Bennett Ostroff, PSY.D. | 1770905796 | Counselor | Denver, CO | 2014 |
| Cathy Ostroff, DO | 1134143571 | Chiropractor | Florham Park, NJ | 2006 |
| Chelsea Ostroff, LCSW | 1518424993 | Clinical Social Worker | Las Vegas, NV | 2019 |
| Diana Ostroff, N.D., L.AC. | 1649313776 | Family Medicine Physician | Honolulu, HI | 2007 |
| Diana Ostroff | 1962911065 | Behavior Technician | Dallas, TX | 2017 |
| Eleanor Ostroff | 1407624117 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2023 |
| Erin Ostroff, PA | 1962579383 | Physician Assistant | Salisbury, NC | 2006 |
| Eugene Ostroff, M.D. | 1528183472 | Emergency Medicine Physician | Swampscott, MA | 2007 |
| James Ostroff, MD | 1477505881 | Gastroenterology Physician | San Francisco, CA | 2006 |
| Jamie Ostroff, PHD | 1538130299 | Clinical Psychologist | New York, NY | 2006 |
| Jared Ostroff, PHARM.D | 1326390170 | Pharmacist | Springfield, MA | 2012 |
| Jonathan Ostroff, DO | 1629187836 | Family Medicine Physician | Bensalem, PA | 2006 |
| Joseph Ostroff, PHARM.D. | 1316613441 | Pharmacist | Orchard Park, NY | 2021 |
| Katherine Ostroff, MSW | 1265913412 | Social Worker | Princeton, MA | 2018 |
| Katie Ostroff | 1215692371 | Peer Specialist | Baton Rouge, LA | 2021 |
| Kenneth Ostroff, PA-C | 1073860797 | Physician Assistant | West Chester, PA | 2012 |
| Kristine Ostroff | 1902643018 | Clinical Social Worker | Springfield, NJ | 2024 |
| Lawrence Ostroff, DPM | 1437217627 | Podiatrist | Glen Cove, NY | 2006 |
| Leeann Ostroff | 1467328989 | Case Manager/Care Coordinator | Toronto, OH | 2025 |
| Leonard Ostroff, DMD | 1912081449 | Periodontics | Opa Locka, FL | 2006 |
| Marci Ostroff, MD | 1295731461 | Obstetrics & Gynecology Physician | New Hyde Park, NY | 2005 |
| Marisa Ostroff | 1760758932 | Professional Counselor | Tucson, AZ | 2012 |
| Marissa Ostroff, PHARM,D | 1659621969 | Pharmacist | Springfield, MA | 2012 |
| Matthew Ostroff, AGACNP-BC | 1982131405 | Acute Care Nurse Practitioner | Paterson, NJ | 2017 |
| Maya Ostroff | 1104744432 | Counselor | Eugene, OR | 2026 |
| Randall Ostroff, MD | 1366523219 | Anesthesiology Physician | Berwyn, IL | 2006 |
| Robert Ostroff, MD | 1477567840 | Psychiatry Physician | Hamden, CT | 2006 |
| Robert Ostroff, M.D. | 1912109240 | Internal Medicine Physician | Petaluma, CA | 2007 |
| Ross Ostroff, O.D. | 1588704779 | Optometrist | Warminster, PA | 2007 |
| Sandra Ostroff, PSYD | 1457062754 | Psychologist | Conshohocken, PA | 2022 |
| Sarah Ostroff | 1164020707 | Professional Counselor | Pasadena, CA | 2020 |
| Shari Ostroff | 1841658051 | Mental Health Counselor | El Reno, OK | 2016 |
| Stephanie Ostroff | 1972148443 | Speech-Language Pathologist | Conshohocken, PA | 2019 |
| Steven Ostroff | 1326746603 | Professional Counselor | Philadelphia, PA | 2023 |
| Stuart Ostroff, RPH | 1194007179 | Pharmacist | Quincy, MA | 2011 |
| Sydney Ostroff, OTR/L | 1841066099 | Occupational Therapist | Brick, NJ | 2023 |
| Victoria Ostroff, PSY.D. | 1922247436 | Clinical Psychologist | King Of Prussia, PA | 2009 |
| Dean Ostrofsky, RN | 1922807452 | Critical Care Medicine Registered Nurse | New York, NY | 2025 |
| Michael Ostrofsky, D.D.S. | 1881739449 | General Practice Dentistry | Palisades Park, NJ | 2007 |
| Nicole Ostrofsky, PA | 1962717116 | Physician Assistant | Manhasset, NY | 2010 |
| Pamela Ostrofsky, M.S.,P.T. | 1649425117 | Pediatric Physical Therapist | New City, NY | 2008 |
| Sydney Ostrofsky | 1063189439 | Physician Assistant | New York, NY | 2021 |
| Chandra Ostrognai, MD | 1184699423 | Family Medicine Physician | Zionsville, IN | 2006 |
| Kara Ostrokolowicz | 1134698632 | Behavior Technician | San Diego, CA | 2018 |
| Debbie Ostroll-Fitzpatrick, LCSW | 1104071901 | Clinical Social Worker | Goshen, NY | 2008 |
| Aimee Ostrom, MPT | 1447694369 | Physical Therapist | Green Valley, AZ | 2013 |
| Alisyn Ostrom, PA-C | 1508693839 | Physician Assistant | Palos Hills, IL | 2024 |
| Amanda Ostrom, M.A., CCC-SLP | 1437762986 | Speech-Language Pathologist | Grand Rapids, MI | 2020 |
| Amanda Ostrom, CD(DONA) | 1770248783 | Doula | Johns Island, SC | 2021 |
| Andrea Ostrom, PA-C | 1982914578 | Physician Assistant | Denver, CO | 2010 |
| Angela Ostrom | 1427504786 | Mental Health Counselor | Apple Valley, MN | 2016 |
| Anita Ostrom, LMFT | 1912162710 | Marriage & Family Therapist | San Francisco, CA | 2008 |
| Anjanette Ostrom, AGACNP-BC | 1003213745 | Acute Care Nurse Practitioner | Fort Worth, TX | 2014 |
| Ann Ostrom, PT | 1194713453 | Hand Physical Therapist | Phoenix, AZ | 2005 |
| Anna Ostrom, MD | 1265651590 | Pediatrics Physician | Little Rock, AR | 2007 |
| Ava Ostrom | 1962295303 | Behavior Technician | Bloomington, MN | 2025 |
| Brita Ostrom, MFT | 1437187457 | Marriage & Family Therapist | Carmel, CA | 2006 |
| Brooke Ostrom | 1275345001 | Behavior Technician | Chula Vista, CA | 2025 |
| Bryan Ostrom, D.C. | 1528322377 | Chiropractor | Vancouver, WA | 2012 |
| Carly Ostrom, PH.D. | 1619356763 | Clinical Psychologist | Lake City, FL | 2015 |
| Chelsea Ostrom | 1801578604 | Certified Registered Nurse Anesthetist | Shrewsbury, NJ | 2023 |
| Claire Ostrom | 1750218095 | Speech-Language Pathologist | Chicago, IL | 2026 |
| Dana Ostrom | 1558136762 | Case Manager/Care Coordinator | Detroit, MI | 2023 |
| David Ostrom, LCSW | 1427422716 | Clinical Social Worker | Shelton, CT | 2015 |
| Deborah Ostrom, DPT | 1760511372 | Physical Therapist | San Tan Valley, AZ | 2007 |
| Dishan Ostrom | 1477380673 | Behavior Technician | Las Vegas, NV | 2024 |
| Floyd Ostrom, D.O. | 1679595755 | Pediatrics Physician | Fort Worth, TX | 2006 |
| Gregory Ostrom, M.D., PH.D. | 1376782870 | Internal Medicine Physician | Elgin, IL | 2009 |
| Gregory Ostrom, LLMSW | 1760679658 | Clinical Social Worker | Detroit, MI | 2007 |
| Hal Ostrom, O.D. | 1841292802 | Optometrist | Clinton, CT | 2005 |
| Haley Ostrom | 1730763640 | Case Manager/Care Coordinator | Napa, CA | 2021 |
| Ingrid Ostrom, LPC | 1124203450 | Professional Counselor | Greensboro, NC | 2008 |
| Isabelle Ostrom | 1992654115 | Student in an Organized Health Care Education/Training Program | Orange City, IA | 2026 |
| Jamie Ostrom, APRN, FNP-BC | 1700606431 | Family Nurse Practitioner | Strongsville, OH | 2024 |
| Jana Ostrom, R.PH. | 1386617538 | Pharmacist | Seattle, WA | 2006 |
| Janice Ostrom, M.S., L.P. | 1942380316 | Cognitive & Behavioral Psychologist | Minneapolis, MN | 2006 |
| Jeffery Ostrom | 1033612742 | Addiction (Substance Use Disorder) Counselor | Auburn, CA | 2018 |
| Jenna Ostrom, RD | 1801620307 | Registered Dietitian | Avondale, AZ | 2024 |
| Jennifer Ostrom, RN | 1417781345 | Medical-Surgical Registered Nurse | Cheyenne, WY | 2024 |
| Jennifer Ostrom, LADC, LPCC | 1649932302 | Professional Counselor | Minneapolis, MN | 2021 |
| Jessa Ostrom, DO | 1306092028 | Family Medicine Physician | Lacey, WA | 2008 |
| Jonnae Ostrom, MD | 1972915403 | Otolaryngology/Facial Plastic Surgery Physician | Tucson, AZ | 2014 |
| Joseph Ostrom | 1396121794 | Home Health Aide | Columbus, OH | 2015 |
| Joshua Ostrom, PT, DPT | 1639622442 | Physical Therapist | San Diego, CA | 2016 |
| Kathleen Ostrom | 1992906234 | Pediatrics Physician | Los Angeles, CA | 2007 |
| Kathryn Ostrom, MD | 1194820605 | Obstetrics & Gynecology Physician | Homer, AK | 2006 |
| Katie Ostrom | 1023558632 | Assistant Behavior Analyst | Traverse City, MI | 2017 |
| Kyle Ostrom, M.D. | 1376746743 | Internal Medicine Physician | Washington, MO | 2007 |
| Laura Ostrom, DO | 1528371382 | Family Medicine Physician | Portland, OR | 2010 |
| Leslie Ostrom, ARNP | 1659656072 | Psychiatric/Mental Health Nurse Practitioner | Spokane, WA | 2011 |
| Lillian Ostrom | 1699697714 | Registered Nurse | Fresno, CA | 2026 |
| Lisa Ostrom, PHARMD, BCPS | 1386573160 | Pharmacotherapy Pharmacist | Port St Lucie, FL | 2026 |
| Logan Ostrom | 1609426444 | Community Health Worker | St George, UT | 2019 |
| Madeline Ostrom | 1033051412 | Speech-Language Pathologist | Pittsburgh, PA | 2026 |
| Margaret Ostrom | 1811758618 | Psychiatric/Mental Health Nurse Practitioner | Colorado Springs, CO | 2024 |
| Mary Ostrom, M.D. | 1972668531 | Psychiatry Physician | Idaho Falls, ID | 2006 |
| Matthew Ostrom, M.D. | 1205033073 | Clinical Cardiac Electrophysiology Physician | Torrance, CA | 2007 |
| Melinda Ostrom, MPT | 1518909183 | Physical Therapist | Atlanta, GA | 2006 |
| Michael Ostrom, DDS | 1134328750 | General Practice Dentistry | Oak Harbor, WA | 2007 |
| Michael Ostrom, RPH | 1902805369 | Pharmacist | Haines, AK | 2005 |
| Nancy Ostrom, MFT | 1194087924 | Marriage & Family Therapist | Las Vegas, NV | 2012 |
| Nancy Ostrom, M.D. | 1437177060 | Allergy & Immunology Physician | San Diego, CA | 2006 |
| Natalie Ostrom, RN | 1932834314 | Registered Nurse | Ann Arbor, MI | 2022 |
| Pamela Ostrom | 1558792622 | Counselor | Bentonville, AR | 2013 |
| Paul Ostrom | 1457986226 | Professional Counselor | San Diego, CA | 2020 |
| Richard Ostrom, PHD | 1912965484 | Clinical Psychologist | Longview, WA | 2006 |
| Robert Ostrom, AP | 1639394133 | Nurse Practitioner | Redmond, WA | 2007 |
| Ronald Ostrom, D.O. | 1730169855 | Emergency Medicine Physician | Tulare, CA | 2006 |
| Samantha Ostrom | 1790672384 | Optometrist | Crown Point, IN | 2025 |
| Sara Ostrom | 1386855658 | Occupational Therapist | Lafayette, CO | 2007 |
| Sarah Ostrom, PA-C | 1538434162 | Medical Physician Assistant | Davis Monthan Afb, AZ | 2012 |
| Sarah Ostrom, LICSW | 1922245620 | Clinical Social Worker | Coventry, RI | 2009 |
| Shannon Ostrom, BA | 1952433351 | Case Manager/Care Coordinator | Minot, ND | 2007 |
| Shaunna Ostrom, LCSW | 1932509890 | Clinical Social Worker | Fort Collins, CO | 2014 |
| Stephanie Ostrom, DNP-FNP STUDENT | 1912853276 | Student in an Organized Health Care Education/Training Program | Malad City, ID | 2026 |
| Tara Ostrom, M.D. | 1124017009 | Internal Medicine Physician | Phoenix, AZ | 2005 |
| Taryn Ostrom, NP-C | 1083202923 | Family Nurse Practitioner | Shelby Township, MI | 2021 |
| Theodor Ostrom, DDS | 1962490144 | General Practice Dentistry | Colorado Springs, CO | 2005 |
| Theresa Ostrom, LMT | 1437426202 | Massage Therapist | Klamath Falls, OR | 2011 |
| Whitney Ostrom, MS, SST | 1386204790 | Social Worker | Port Huron, MI | 2019 |
| Kjersten Ostrom-Condojani, M.A.,CAC III | 1225090996 | Addiction (Substance Use Disorder) Counselor | Littleton, CO | 2006 |
| Carlene Ostromecki, LSW | 1982230157 | Clinical Social Worker | Bally, PA | 2020 |
| Christopher Ostromecki, M.D. | 1497746390 | Cardiovascular Disease Physician | Benton, IL | 2005 |
| Marta Ostromecki, D.D.S. | 1336668367 | Dentist | Mequon, WI | 2017 |
| James Ostromecky, DDS | 1063497907 | Dentist | Spencer, MA | 2005 |
| Tara Ostromencki, DNP, PMHNP | 1801550397 | Psychiatric/Mental Health Nurse Practitioner | La Crosse, WI | 2021 |
| Yelena Ostrometskaya, DDS | 1760600076 | Endodontics | Brooklyn, NY | 2007 |
| John Ostrominski | 1740770155 | Cardiovascular Disease Physician | Boston, MA | 2018 |
| Julia Ostromogilskaya | 1265056824 | Registered Nurse | San Diego, CA | 2020 |
| Carla Ostronic, P.A. | 1780774091 | Physician Assistant | Osage Beach, MO | 2006 |
| Megan Ostronic, OTR/L | 1093078669 | Occupational Therapist | Bridgeville, PA | 2012 |
| Michaela Ostronic | 1407459274 | Physical Therapy Assistant | Scottsdale, AZ | 2020 |
| Thomas Ostronic, M.D. | 1003893470 | Cardiovascular Disease Physician | Washington, DC | 2005 |
| Tom Ostronic, P.T. | 1720190432 | Physical Therapist | Monument, CO | 2006 |
| Susan Ostronisky | 1093592065 | Homemaker | Canal Fulton, OH | 2023 |
| Anna Ostronoff, O.T.R. | 1881807493 | Neurorehabilitation Occupational Therapist | Grapevine, TX | 2007 |
| Fabiana Ostronoff, MD | 1811154172 | Hematology & Oncology Physician | Seattle, WA | 2008 |
| Cory Ostroot, ND | 1336511450 | Naturopath | Gilbert, AZ | 2015 |
| Molly Ostroot, DO | 1588169346 | Student in an Organized Health Care Education/Training Program | Milwaukee, WI | 2018 |
| Julia Ostropolsky | 1871613059 | Clinical Social Worker | Saint Louis, MO | 2007 |
| Mary Ostroska, APRN | 1285959940 | Family Nurse Practitioner | Jacksonville, FL | 2010 |
| Kimberly Ostroske, LCSW | 1700023470 | Addiction (Substance Use Disorder) Counselor | Woodmere, NY | 2009 |
| Rachel Ostroske | 1659250959 | Peer Specialist | Oklahoma City, OK | 2025 |
| Amy Ostroski, RD, CLC | 1861174849 | Registered Dietitian | Fort Collins, CO | 2023 |
| Angela Ostroski, D.P.M. | 1265539324 | Foot & Ankle Surgery Podiatrist | Ypsilanti, MI | 2006 |
| Charlene Ostroski, LMT | 1306074075 | Massage Therapist | Kailua Kona, HI | 2009 |
| Christine Ostroski, PA-C | 1093758872 | Physician Assistant | Clewiston, FL | 2006 |
| Emily Ostroski | 1497424428 | Behavior Technician | Greenville, SC | 2021 |
| Kaitlyn Ostroski, PT, DPT | 1982152682 | Physical Therapist | Tampa, FL | 2016 |
| Loretta Ostroski | 1720478993 | Registered Nurse | Lewes, DE | 2015 |
| Michelle Ostroski, EDD, LSW | 1285322925 | Social Worker | Tunkhannock, PA | 2023 |
| Paul Ostroski, RN | 1598257198 | Community Health Registered Nurse | Bristol, CT | 2018 |
| Robert Ostroski, D.D.S.,M.S. | 1205043452 | Orthodontics and Dentofacial Orthopedics Dentistry | Farmington, CT | 2007 |
| Ronald Ostroski, DDS | 1891790200 | Dentist | Wooster, OH | 2005 |
| Shannon Ostroski | 1255898821 | Physical Therapist | Kensington, CT | 2019 |
| Tammy Ostroski, APNP | 1326230673 | Family Nurse Practitioner | Mesa, AZ | 2007 |
| Terin Ostroski, M.D. | 1154663680 | Internal Medicine Physician | Anchorage, AK | 2013 |
| Tiffany Ostroski, PA-C | 1003075466 | Medical Physician Assistant | Bloomsburg, PA | 2008 |
| Jodi Ostroskie, LLMSW | 1881075067 | Clinical Social Worker | Southfield, MI | 2015 |
| Aliza Ostrosky | 1174026397 | Mental Health Counselor | Solana Beach, CA | 2018 |
| Briana Ostrosky, BCBA-D, PH.D. | 1427771344 | Behavior Analyst | Somerset, NJ | 2022 |
| Chesney Ostrosky | 1184383093 | School Counselor | Pittsburgh, PA | 2021 |
| Christy Ostrosky | 1891917043 | Occupational Therapist | Pierce City, MO | 2007 |
| Elizabeth Ostrosky, RPH | 1225353535 | Pharmacist | Sciota, PA | 2010 |
| Emery Ostrosky | 1689907917 | Pharmacist | Albany, OR | 2009 |
| Jason Ostrosky, RPH | 1578058509 | Pharmacist | Shelton, CT | 2018 |
| Joseph Ostrosky | 1508447046 | Pharmacist | Bethlehem, PA | 2021 |
| Kara Ostrosky, D.O. | 1083053664 | Obstetrics & Gynecology Physician | Greensburg, PA | 2013 |
| Karen Ostrosky, PT | 1750426391 | Physical Therapist | Zelienople, PA | 2007 |
| Keith Ostrosky, DDS | 1093851651 | Dentist | South St Paul, MN | 2007 |
| Kristen Ostrosky, OTR/L | 1033414529 | Occupational Therapist | Norwalk, CT | 2011 |
| Lisa Ostrosky, MSW | 1558747519 | Social Worker | Mather, CA | 2015 |
| Luis Ostrosky, M.D. | 1952301632 | Infectious Disease Physician | Houston, TX | 2005 |
| Neha Ostrosky, RPH | 1033709514 | Pharmacist | Trumbull, CT | 2021 |
| Richard Ostrosky, LSW | 1730517343 | Social Worker | Phillipsburg, NJ | 2013 |
| Stephanie Ostrosky, MA, NCC | 1326834227 | Mental Health Counselor | Washington, PA | 2025 |
| Valerie Ostrosky, LPCC, LPC | 1821554478 | Mental Health Counselor | San Francisco, CA | 2019 |
| Mauricio Ostrosky Frid, MD PHD | 1437618600 | Nephrology Physician | Dallas, TX | 2019 |
| Pedro Ostrosky Slomianski | 1033738638 | Marriage & Family Therapist | Oceanside, CA | 2020 |
| Thane Ostroth, DDS | 1174562292 | Dentist | Royal Oak, MI | 2006 |
| Patricia Ostrouch | 1124300975 | Occupational Therapy Assistant | Manchester, NH | 2011 |
| Marina Ostroukhova, MD | 1043482706 | Allergy & Immunology Physician | Honolulu, HI | 2008 |
| Yevgeniya Ostroukhova | 1265104004 | Physical Therapy Assistant | Leeds, MA | 2021 |
| Alexandria Ostroumoff | 1619699121 | School Counselor | Rhinebeck, NY | 2022 |
| Sofiia Ostroushko | 1609694918 | Behavior Technician | Monrovia, CA | 2024 |
| Kelly Ostrout, M.ED, ED.S. | 1245699800 | School Psychologist | Canton, OH | 2016 |
| Adrienne Ostrov, OTR/L | 1710580667 | Occupational Therapist | Gainesville, FL | 2020 |
| Arthur Ostrov, M.D. | 1952305203 | Gastroenterology Physician | Burnt Hills, NY | 2005 |
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).