Providers Barbara Ostrov, MD to Micah Ostrowski, MD
300 individual NPIs in the federal registry, part 16,359 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. 96 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Barbara Ostrov, MD | 1447207444 | Pediatric Rheumatology Physician | Albany, NY | 2006 |
| Charles Ostrov, MD | 1942288659 | Ophthalmology Physician | Golden Valley, MN | 2006 |
| Deborah Ostrov, PH.D. | 1538263587 | Clinical Psychologist | Great Neck, NY | 2006 |
| Evelina Ostrov | 1073927760 | School Psychologist | Staten Island, NY | 2014 |
| Julia Ostrov, M.D. | 1053447581 | Internal Medicine Physician | Brookline, MA | 2007 |
| Kenneth Ostrov, DDS | 1982008546 | General Practice Dentistry | Delta, CO | 2014 |
| Michael Ostrov, MD | 1831156546 | Family Medicine Physician | Madison, WI | 2006 |
| Nikole Ostrov, MD | 1144491705 | Obstetrics & Gynecology Physician | New York, NY | 2008 |
| Philip Ostrov, MD | 1801538517 | Student in an Organized Health Care Education/Training Program | Louisville, KY | 2022 |
| Rachel Ostrov, LCSW | 1487021119 | Clinical Social Worker | Chicago, IL | 2015 |
| Steven Ostrov, MD | 1003860685 | Diagnostic Radiology Physician | Tallahassee, FL | 2006 |
| Toby Ostrov, PA | 1205284981 | Physician Assistant | Fairfield, ME | 2016 |
| Vivian Ostrov, LCSW | 1821299579 | Clinical Social Worker | Far Rockaway, NY | 2007 |
| Iana Ostrova | 1356183222 | Developmental Therapist | Brooklyn, NY | 2024 |
| Inna Ostrova, RN | 1821556010 | Registered Nurse | New York, NY | 2019 |
| Nonna Ostrova, PTA | 1770704389 | Physical Therapy Assistant | Brooklyn, NY | 2007 |
| Vera Ostrova | 1205639556 | Mental Health Counselor | Agoura Hills, CA | 2025 |
| Adrienne Ostrove | 1144868779 | Social Worker | Schenectady, NY | 2019 |
| Carol Ostrove | 1871034967 | Specialist | Plainview, NY | 2017 |
| Elyse Ostrove | 1891669644 | Counselor | Brentwood, NY | 2025 |
| Jessie Ostrove | 1386587319 | Doula | Tarzana, CA | 2026 |
| Katharine Ostrove, MS, LMFT | 1871934703 | Marriage & Family Therapist | Eugene, OR | 2013 |
| Laura Ostrove | 1144613951 | Marriage & Family Therapist | Irvine, CA | 2015 |
| Jacalyn Ostrove-Greenberg, LMFT | 1326064841 | Mental Health Counselor | Tarzana, CA | 2006 |
| Katie Ostrovecky, MS, ATC | 1932672425 | Athletic Trainer | El Segundo, CA | 2019 |
| Mariya Ostrovenko | 1215876537 | Behavior Technician | Vienna, VA | 2026 |
| Clifford Ostrover | 1154573541 | Mental Health Counselor | Wailuku, HI | 2008 |
| Leslie Ostrover, NP | 1356383400 | Nurse Practitioner | Jamaica, NY | 2006 |
| Olga Ostrovetsky, MD | 1609517804 | Student in an Organized Health Care Education/Training Program | Brooklyn, NY | 2022 |
| Elizabeth Ostroviak, LMFT | 1508158023 | Marriage & Family Therapist | Chanhassen, MN | 2011 |
| Rivka Ostrovitsky | 1386956985 | Speech-Language Pathologist | Brooklyn, NY | 2010 |
| Alla Ostrovskaya, MD PHD | 1215950563 | Psychiatry Physician | New York, NY | 2006 |
| Anna Ostrovskaya, M. D. | 1073556841 | Psychiatry Physician | New Haven, CT | 2006 |
| Ella Ostrovskaya, DPM | 1457798597 | Foot & Ankle Surgery Podiatrist | Chicago, IL | 2013 |
| Inna Ostrovskaya | 1558420109 | Anesthesiology Physician | Bronx, NY | 2006 |
| Irina Ostrovskaya, M.S., CCC-SLP | 1114387578 | Speech-Language Pathologist | North Andover, MA | 2016 |
| Tatyana Ostrovskaya, PHARMD | 1629373337 | Pharmacist | Brooklyn, NY | 2011 |
| Michael Ostrovski, LMSW | 1679669915 | Clinical Social Worker | Brooklyn, NY | 2006 |
| Denis Ostrovskiy, M.D. | 1437199668 | Neurology Physician | Lake Success, NY | 2006 |
| Dmitry Ostrovskiy, RPA-C | 1730462326 | Medical Physician Assistant | Brooklyn, NY | 2011 |
| Grigory Ostrovskiy, MD | 1629356225 | Neurocritical Care Physician | Hackensack, NJ | 2011 |
| Sergey Ostrovskiy | 1174022982 | Mental Health Counselor | Cleveland, OH | 2018 |
| Adam Ostrovsky, MD | 1831982016 | Surgery Physician | Falls Church, VA | 2025 |
| Alan Ostrovsky, DDS | 1215549654 | Oral and Maxillofacial Surgery (Dentist) | Fort Leonard Wood, MO | 2020 |
| Alexander Ostrovsky, MD | 1548310238 | Hematology & Oncology Physician | Langhorne, PA | 2007 |
| Alexander Ostrovsky, M.D. | 1952377962 | Emergency Medicine Physician | Brooklyn, NY | 2006 |
| Andrey Ostrovsky, M.D. | 1932423993 | Pediatrics Physician | Washington, DC | 2010 |
| Ann Ostrovsky, M.D. | 1598919276 | Ophthalmology Physician | Greenville, NC | 2008 |
| Anna Ostrovsky, D.M.D. | 1366593030 | General Practice Dentistry | Wellington, FL | 2007 |
| Anna Ostrovsky, MFT | 1851801724 | Marriage & Family Therapist | Irvine, CA | 2017 |
| Benjamin Ostrovsky, MD | 1366549180 | Emergency Medicine Physician | Rochester, NY | 2006 |
| Daniel Ostrovsky, M.D. | 1114080991 | Pediatrics Physician | Durham, NC | 2006 |
| Daniella Ostrovsky, M.D. | 1124475090 | Internal Medicine Physician | Boynton Beach, FL | 2016 |
| Daniella Ostrovsky | 1417633504 | Student in an Organized Health Care Education/Training Program | New York, NY | 2023 |
| Deborah Ostrovsky, BSN, RN | 1326349077 | Registered Nurse | Anchorage, AK | 2010 |
| Dmitry Ostrovsky, MD | 1477973212 | Psychiatry Physician | New York, NY | 2014 |
| Elena Ostrovsky, MS.RD | 1407121452 | Registered Dietitian | Whitehouse Station, NJ | 2012 |
| Ellen Ostrovsky | 1992071500 | Mental Health Counselor | Fair Lawn, NJ | 2012 |
| Galina Ostrovsky, MD | 1700589702 | Student in an Organized Health Care Education/Training Program | Birmingham, AL | 2023 |
| Igor Ostrovsky, M.D | 1487710273 | Pain Medicine (Anesthesiology) Physician | Brooklyn, NY | 2006 |
| Ilana Ostrovsky, RPH | 1306449624 | Pharmacist | Garwood, NJ | 2020 |
| Ilya Ostrovsky, MD | 1275809444 | Emergency Medicine Physician | Newark, NJ | 2012 |
| Ilya Ostrovsky, PHARM.D. | 1285078733 | Pharmacist | Brooklyn, NY | 2013 |
| Inessa Ostrovsky | 1740204338 | General Practice Dentistry | Kokomo, IN | 2006 |
| Irina Ostrovsky, RPH | 1316262207 | Pharmacist | Brooklyn, NY | 2010 |
| Julia Ostrovsky, DDS | 1447229257 | Dentist | Roslindale, MA | 2006 |
| Katya Ostrovsky, CNP | 1194881789 | Nurse Practitioner | Worcester, MA | 2006 |
| Kendra Ostrovsky | 1679208151 | Professional Counselor | Anaheim, CA | 2022 |
| Lauren Ostrovsky, M.A., SLP | 1992286405 | Speech-Language Pathologist | Teaneck, NJ | 2018 |
| Lilian Ostrovsky, LCSW | 1154446227 | Clinical Social Worker | New York, NY | 2007 |
| Luda Ostrovsky | 1982329314 | Case Manager/Care Coordinator | Brooklyn, NY | 2022 |
| Michael Ostrovsky, MD | 1487605630 | Anesthesiology Physician | Daly City, CA | 2006 |
| Michael Ostrovsky, R.PH. | 1831421981 | Pharmacist | Brooklyn, NY | 2010 |
| Michelle Ostrovsky | 1467019331 | Dentist | North Attleboro, MA | 2019 |
| Natania Ostrovsky, PHD. | 1033357249 | Clinical Psychologist | White Plains, NY | 2009 |
| Olga Ostrovsky, M.D. | 1881785210 | Anesthesiology Physician | Jackson, MS | 2006 |
| Paul Ostrovsky, M.D. | 1396741617 | Diagnostic Radiology Physician | Gallup, NM | 2005 |
| Rochelle Ostrovsky, RN | 1811132558 | Registered Nurse | Brooklyn, NY | 2008 |
| Roman Ostrovsky, M.D | 1922137868 | Psychiatry Physician | Elkridge, MD | 2007 |
| Tamara Ostrovsky, RRT LAC | 1871685172 | Acupuncturist | San Francisco, CA | 2006 |
| Yakov Ostrovsky | 1114965118 | Physical Therapist | Brooklyn, NY | 2006 |
| Yelena Ostrovsky, DDS | 1447284609 | General Practice Dentistry | San Francisco, CA | 2006 |
| Adam Ostrow, M.D. | 1205933777 | Pediatrics Physician | French Camp, CA | 2006 |
| Alex Ostrow | 1942904651 | Mental Health Counselor | Norfolk, MA | 2023 |
| Alexander Ostrow, MD | 1972559870 | Emergency Medicine Physician | Bethlehem, PA | 2006 |
| Allison Ostrow, M.D. | 1598998387 | Pediatrics Physician | Valhalla, NY | 2009 |
| Alvin Ostrow, ATC | 1801923107 | Athletic Trainer | Forest Park, GA | 2007 |
| Amber Ostrow, BCBA | 1811522493 | Behavior Analyst | Las Vegas, NV | 2020 |
| Anna Ostrow | 1154203610 | Mental Health Counselor | Garden City, NY | 2025 |
| Ariel Ostrow, LMT | 1366732612 | Massage Therapist | Monroe, NY | 2011 |
| Arnold Ostrow, M.D. | 1932147824 | Specialist | Los Alamitos, CA | 2006 |
| Barry Ostrow, MD | 1497868384 | Psychiatry Physician | Raleigh, NC | 2006 |
| Betsy Ostrow, MD | 1528038148 | Pediatrics Physician | Exton, PA | 2006 |
| Betty Ostrow, DDS | 1417994609 | Dentist | Charlotte, NC | 2006 |
| Brandon Ostrow, PHARMD | 1639879919 | Pharmacist | Frisco, CO | 2023 |
| Bridget Ostrow, MD | 1225140734 | Vascular Surgery Physician | Memphis, TN | 2006 |
| Camilla Ostrow | 1467918920 | Clinical Social Worker | Boston, MA | 2019 |
| Cary Ostrow, LMFT | 1437423936 | Marriage & Family Therapist | Bridgeport, CT | 2012 |
| Clifford Ostrow, DC | 1619191871 | Chiropractor | Dallas, GA | 2007 |
| Connie Ostrow, LCSW | 1225070725 | Social Worker | Bedford Hills, NY | 2006 |
| Daniel Ostrow, DC | 1053294900 | Chiropractor | Gastonia, NC | 2025 |
| Daniel Ostrow, MSW | 1609807791 | Clinical Social Worker | San Francisco, CA | 2006 |
| David Ostrow, R.PH. | 1215372008 | Pharmacist | Philadelphia, PA | 2013 |
| David Ostrow, P.T. | 1447364252 | Orthopedic Physical Therapist | Exton, PA | 2006 |
| David Ostrow, MD | 1508902420 | Neurological Surgery Physician | Dallas, TX | 2007 |
| Deborah Ostrow, MFT | 1063564300 | Marriage & Family Therapist | Berkeley, CA | 2007 |
| Emily Ostrow, LCSW | 1962819953 | Clinical Social Worker | Springvale, ME | 2014 |
| Emily Ostrow, MS, RDN, LD | 1982328613 | Registered Dietitian | Minneapolis, MN | 2022 |
| Flora Ostrow, LMHC, LMFT | 1952579278 | Mental Health Counselor | Seattle, WA | 2008 |
| Gary Ostrow, DO | 1164644589 | Neuromusculoskeletal Medicine & OMM Physician | New York, NY | 2007 |
| Gregory Ostrow, M.D. | 1669559522 | Ophthalmology Physician | San Diego, CA | 2006 |
| Haley Ostrow | 1235587387 | Mental Health Counselor | Langhorne, PA | 2016 |
| Janene Ostrow, P.T. | 1639344815 | Physical Therapist | San Francisco, CA | 2008 |
| Jennifer Ostrow, MSW | 1497134894 | Social Worker | Pine Bush, NY | 2015 |
| Jo Ellen Ostrow, L.A.D.C. | 1447261102 | Addiction (Substance Use Disorder) Counselor | Las Vegas, NV | 2006 |
| Judith Ostrow, MFT | 1801927439 | Marriage & Family Therapist | San Jose, CA | 2007 |
| Katherine Ostrow | 1073445185 | Student in an Organized Health Care Education/Training Program | Burlington, VT | 2026 |
| Katherine Ostrow, M.ED, MSW | 1912869959 | Clinical Social Worker | Portland, OR | 2025 |
| Katya Ostrow, M.D. | 1871943977 | Obstetrics & Gynecology Physician | New York, NY | 2016 |
| Kenneth Ostrow, MD | 1043397995 | Vascular & Interventional Radiology Physician | Santa Clara, CA | 2006 |
| Laura Ostrow, MFT | 1679875181 | Marriage & Family Therapist | San Leandro, CA | 2010 |
| Laura Ostrow, SWC | 1942985478 | Mental Health Counselor | Wheat Ridge, CO | 2023 |
| Laurel Ostrow | 1639302276 | Adult Health Nurse Practitioner | Saint Paul, MN | 2009 |
| Leah Ostrow, O.D. | 1912091836 | Optometrist | Owings Mills, MD | 2006 |
| Leslie Ostrow, M.A., PH.D. | 1003023656 | Mental Health Counselor | Jamaica Plain, MA | 2007 |
| Liya Ostrow, DMD | 1811122062 | Pediatric Dentistry | Freehold, NJ | 2009 |
| Liza Ostrow, MS, LPC | 1376914309 | Professional Counselor | Cherry Hill, NJ | 2015 |
| Lois Ostrow, L.C.S.W. | 1437166535 | Clinical Social Worker | Chapel Hill, NC | 2006 |
| Louis Ostrow, M.D. | 1386714665 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Memphis, TN | 2006 |
| Lyle Ostrow, M.D., PH.D. | 1386780914 | Neurology Physician | Philadelphia, PA | 2007 |
| Michael Ostrow, RDN | 1447702105 | Registered Dietitian | Englewood, CO | 2016 |
| Michelle Ostrow, M.S., CCC-SLP | 1487393211 | Speech-Language Pathologist | Yardley, PA | 2022 |
| Naomi Ostrow | 1386477982 | Speech-Language Pathologist | Woodmere, NY | 2024 |
| Olivia Ostrow, M.D. | 1164455929 | Internal Medicine Physician | White Plains, NY | 2006 |
| Peter Ostrow, MD | 1841264389 | Neuropathology Physician | Buffalo, NY | 2006 |
| Peter Ostrow, MD | 1841300845 | Pulmonary Disease Physician | Boston, MA | 2006 |
| Rebecca Ostrow, LMSW | 1104714484 | Social Worker | Rego Park, NY | 2025 |
| Rhona Ostrow, M.S. | 1871771204 | Audiologist-Hearing Aid Fitter | Cupertino, CA | 2008 |
| River Ostrow, RN | 1164366993 | School Registered Nurse | Saint Paul, MN | 2026 |
| Robert Ostrow, MD | 1336145044 | Ophthalmology Physician | Golden Valley, MN | 2005 |
| Ryan Ostrow, PT | 1063829570 | Physical Therapist | Upland, CA | 2014 |
| Sara Ostrow, MSPT | 1265711907 | Physical Therapist | Nottingham, MD | 2011 |
| Sheila Ostrow, C.R.N.F.A. | 1962533299 | Registered Nurse First Assistant | Plantation, FL | 2007 |
| Sheryl Ostrow, LCSW | 1194971838 | Clinical Social Worker | Bangor, ME | 2008 |
| Simona Ostrow, LMHC | 1801658539 | Mental Health Counselor | Merrick, NY | 2024 |
| Stacy Ostrow, M.D. | 1528003472 | Dermatology Physician | San Diego, CA | 2006 |
| Stanley Ostrow, MD | 1457355018 | Specialist | E Setauket, NY | 2005 |
| Stephen Ostrow, LMHC, LPC | 1659980472 | Mental Health Counselor | Olympia, WA | 2020 |
| Steven Ostrow, MD | 1316948177 | Diagnostic Radiology Physician | East Meadow, NY | 2005 |
| Talia Ostrow | 1043004633 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2025 |
| Vlady Ostrow, D.O. | 1245407337 | Pediatric Endocrinology Physician | Shrewsbury, NJ | 2008 |
| Wendy Ostrow, RN, CNP | 1851526248 | Women's Health Nurse Practitioner | San Jose, CA | 2009 |
| Alan Ostrowe, MD FACA | 1982783932 | Pain Medicine (Anesthesiology) Physician | Baton Rouge, LA | 2006 |
| Jane Ostrowe, SLP/CCC | 1952587958 | Speech-Language Pathologist | Deerfield Beach, FL | 2008 |
| Jessica Ostrower, DPT | 1952828824 | Physical Therapist | Roanoke, VA | 2017 |
| Lyndsay Ostrower, MS | 1902102064 | Speech-Language Pathologist | Huntington, NY | 2011 |
| Samuel Ostrower, MD | 1609036359 | Otolaryngology Physician | Hollywood, FL | 2008 |
| Valerie Ostrower, M.D. | 1659328359 | Pediatrics Physician | Boston, MA | 2006 |
| Renata Ostrowicki, MD | 1861408320 | Pediatric Critical Care Medicine Physician | Camden, NJ | 2006 |
| Monika Ostrowidzki, MHC | 1114464609 | Mental Health Counselor | Schenectady, NY | 2017 |
| Arthur Ostrowitz, MD | 1598775637 | Diagnostic Radiology Physician | Manchester, CT | 2006 |
| Matthew Ostrowitz, MD | 1376663997 | Surgery Physician | Miramar, FL | 2007 |
| Gila Ostrowizky | 1255728812 | Specialist | Brooklyn, NY | 2015 |
| Aneta Ostrowska, MD | 1205942000 | Internal Medicine Physician | Brooklyn, NY | 2006 |
| Barbara Ostrowska, DPT | 1164525234 | Physical Therapist | Chicago, IL | 2006 |
| Magdalena Ostrowska, D.D.S. | 1407922255 | General Practice Dentistry | Union, NJ | 2006 |
| Jessica Ostrowske, RN | 1104499003 | Certified Registered Nurse Anesthetist | Cincinnati, OH | 2021 |
| Aaron Ostrowski, CRNA | 1659346369 | Certified Registered Nurse Anesthetist | Washington, PA | 2006 |
| Adam Ostrowski, BS/OT | 1053399287 | Occupational Therapist | Walla Walla, WA | 2006 |
| Alexandra Ostrowski, AUD | 1649057001 | Audiologist | Knoxville, TN | 2023 |
| Allie Ostrowski | 1043966807 | Case Manager/Care Coordinator | Chicopee, MA | 2022 |
| Allyssa Ostrowski, DMD | 1285365031 | Dentist | South Lake Tahoe, CA | 2022 |
| Alyssa Ostrowski, CCC-SLP | 1427790229 | Speech-Language Pathologist | Crystal Lake, IL | 2022 |
| Amanda Ostrowski, M.S. CCC-SLP | 1588852958 | Speech-Language Pathologist | Debary, FL | 2007 |
| Amanda Ostrowski | 1649087305 | Registered Nurse | Brainerd, MN | 2024 |
| Amy Ostrowski | 1073231320 | Clinical Social Worker | Fort Collins, CO | 2022 |
| Amy Ostrowski, RN | 1497621189 | Registered Nurse | Hanover, MA | 2025 |
| Amy Ostrowski, M.ED.,CCC-SLP | 1841356425 | Speech-Language Pathologist | New Bern, NC | 2006 |
| Andrew Ostrowski, M.D. | 1831505361 | Urology Physician | Marietta, GA | 2014 |
| Angela Ostrowski, CPNP-PC | 1841932548 | Pediatric Nurse Practitioner | Gulfport, MS | 2022 |
| Angelica Ostrowski | 1154814044 | Pediatric Critical Care Medicine Physician | Hoffman Estates, IL | 2018 |
| Angelika Ostrowski, M.D. | 1902088545 | Pediatrics Physician | Bozeman, MT | 2007 |
| Anita Ostrowski, PA | 1518364405 | Physician Assistant | Carmichael, CA | 2014 |
| Anita Ostrowski | 1992217376 | Behavior Technician | Hunt Valley, MD | 2017 |
| Ann Ostrowski, MS,RD,LDN,CNSC | 1356750939 | Registered Dietitian | Wilkes Barre, PA | 2014 |
| Arthur Ostrowski, M.D. | 1740257062 | Internal Medicine Physician | Barrington, IL | 2006 |
| Barb Ostrowski, PHARM.D. | 1558562876 | Geriatric Pharmacist | Traverse City, MI | 2007 |
| Barbara Ostrowski, RN | 1609179134 | Registered Nurse | Baraboo, WI | 2010 |
| Brandon Ostrowski | 1952927337 | Other Technician | Jackson, MI | 2020 |
| Caitlyn Ostrowski, DC | 1194176271 | Chiropractor | Saint James, MO | 2016 |
| Carley Ostrowski | 1710847405 | Behavior Technician | Pikesville, MD | 2025 |
| Carol Ostrowski, PTA | 1346446440 | Physical Therapy Assistant | Dyer, IN | 2007 |
| Cathleen Ostrowski, MS, RD, LDN, FAND | 1164645107 | Registered Dietitian | Durham, NC | 2007 |
| Cheryl Ostrowski, MD | 1467682153 | Family Medicine Physician | Burke, VA | 2009 |
| Cheryl Ostrowski | 1467772566 | Licensed Practical Nurse | Randolph, NY | 2010 |
| Christian Ostrowski | 1407796022 | Student in an Organized Health Care Education/Training Program | Baltimore, MD | 2026 |
| Cindy Ostrowski, APRN, BC | 1992736193 | Psychiatric/Mental Health Nurse Practitioner | Bethesda, MD | 2006 |
| Coadylynn Ostrowski, APNP | 1982085155 | Gerontology Nurse Practitioner | Nashville, TN | 2015 |
| Connie Ostrowski | 1932262714 | Nurse Practitioner | Chapel Hill, NC | 2006 |
| Dale Ostrowski, PA-C | 1083274344 | Physician Assistant | Flowood, MS | 2019 |
| Dana Ostrowski | 1083316111 | Addiction (Substance Use Disorder) Counselor | Santa Fe Springs, CA | 2023 |
| Daniel Ostrowski | 1427470715 | Pharmacist | Chesapeake, VA | 2014 |
| Daniel Ostrowski, NP | 1740648922 | Family Nurse Practitioner | Staten Island, NY | 2016 |
| Daniela Ostrowski, PTA | 1235796343 | Physical Therapy Assistant | Apopka, FL | 2019 |
| Danielle Ostrowski, ARNP | 1770074536 | Family Nurse Practitioner | Pensacola, FL | 2018 |
| David Ostrowski | 1407559404 | Student in an Organized Health Care Education/Training Program | Philadelphia, PA | 2023 |
| Dawn Ostrowski, LPC-CR | 1063815512 | Mental Health Counselor | Mentor, OH | 2014 |
| Debbie Ostrowski, MA, MS, MBA | 1770851149 | Social Worker | St Petersburg, FL | 2011 |
| Denise Ostrowski | 1184808768 | Registered Nurse | Chicago, IL | 2007 |
| Dennis Ostrowski, D.C. | 1790935609 | Chiropractor | Sebring, FL | 2008 |
| Dennis Ostrowski, D.M.D. | 1932294998 | General Practice Dentistry | Beachwood, OH | 2006 |
| Dorota Ostrowski | 1184284572 | Physical Therapist | Bay Shore, NY | 2019 |
| Edward Ostrowski, M.D. | 1184899510 | Internal Medicine Physician | Lawrenceville, NJ | 2008 |
| Edward Ostrowski, MD | 1467415901 | Diagnostic Radiology Physician | Dalton, GA | 2006 |
| Elizabeth Ostrowski, MS, ATC, CSCS | 1790049518 | Athletic Trainer | Fergus Falls, MN | 2012 |
| Elizabeth Ostrowski, M.S., CCC-SLP | 1912443292 | Speech-Language Pathologist | Aurora, CO | 2017 |
| Emily Ostrowski, M.D. | 1043212483 | Family Medicine Physician | Lithia, FL | 2005 |
| Emily Ostrowski, PA | 1487585550 | Physician Assistant | Butler, PA | 2026 |
| Erik Ostrowski, MS, ACSM-RCEP, CCRP | 1699272559 | Clinical Exercise Physiologist | Muskogee, OK | 2018 |
| Eva Ostrowski, M.D. | 1225005820 | Internal Medicine Physician | Barrington, IL | 2006 |
| Evan Ostrowski, ATC | 1942046578 | Athletic Trainer | Amherst, MA | 2024 |
| Eve Ostrowski, LCSW | 1730619701 | Clinical Social Worker | Guilford, CT | 2017 |
| Faith Ostrowski | 1205358751 | Counselor | Berwyn, IL | 2017 |
| Felicia Ostrowski | 1881369148 | Mental Health Counselor | Vancouver, WA | 2021 |
| Gail Ostrowski | 1750939260 | Psychiatric/Mental Health Registered Nurse | Pottstown, PA | 2019 |
| Gina Ostrowski, PT | 1720292105 | Physical Therapist | Altoona, WI | 2007 |
| Gregory Ostrowski, DO | 1417938143 | Diagnostic Radiology Physician | Palos Heights, IL | 2005 |
| Hannah Ostrowski | 1740090216 | Behavior Technician | Sandusky, MI | 2025 |
| Hannah Ostrowski | 1922933951 | Behavior Technician | Redding, CA | 2026 |
| Heather Ostrowski, MSW, ASW | 1407287022 | Social Worker | Salinas, CA | 2013 |
| Holly Ostrowski, RN | 1457832503 | Home Health Registered Nurse | Duluth, MN | 2018 |
| Isabella Ostrowski | 1871412098 | Speech-Language Pathologist | Lincoln, NE | 2026 |
| Izabella Ostrowski, MD | 1295594752 | Student in an Organized Health Care Education/Training Program | Manhasset, NY | 2024 |
| Jacqueline Ostrowski, CRNA | 1710558374 | Certified Registered Nurse Anesthetist | Pittsburgh, PA | 2021 |
| Jasmine Ostrowski, PHARMD | 1780290346 | Pharmacist | Ballwin, MO | 2020 |
| Jena Ostrowski, LCSW | 1538517834 | Clinical Social Worker | Pottstown, PA | 2016 |
| Jenna Ostrowski, LCPC-C | 1922473990 | Mental Health Counselor | Falmouth, ME | 2015 |
| Jennifer Ostrowski | 1215438940 | Physical Therapist | Grosse Pointe Farms, MI | 2018 |
| Jennifer Ostrowski, MT-BC | 1245787936 | Music Therapist | Gilbert, AZ | 2016 |
| Jennifer Ostrowski, MSW, LSW | 1285033902 | Clinical Social Worker | Pepper Pike, OH | 2014 |
| Jennifer Ostrowski, MD | 1568627107 | Pediatrics Physician | Winston Salem, NC | 2008 |
| Jennifer Ostrowski, PH.D., LAT, ATC | 1578584157 | Athletic Trainer | Bethlehem, PA | 2006 |
| Jennifer Ostrowski, LPC | 1841362910 | Professional Counselor | Eau Claire, WI | 2006 |
| Jennifer Ostrowski, MS OTRL | 1841366390 | Occupational Therapist | Plains, PA | 2006 |
| Jennifer Ostrowski, DPM | 1942380050 | Podiatrist | Austin, TX | 2006 |
| Jessica Ostrowski | 1619793148 | Licensed Practical Nurse | Farmington Hills, MI | 2024 |
| Jessica Ostrowski, CNM | 1699731166 | Advanced Practice Midwife | Buffalo, NY | 2006 |
| Jessica Ostrowski | 1841611431 | Sonography Radiologic Technologist | Beulaville, NC | 2013 |
| Jessica Ostrowski | 1942862891 | Case Manager/Care Coordinator | Eau Claire, WI | 2019 |
| Jill Ostrowski | 1447756002 | Adult Companion | Sacramento, CA | 2018 |
| Joann Ostrowski, PT | 1316086374 | Physical Therapist | Mc Veytown, PA | 2007 |
| John Ostrowski, MA, LPC/S, NCC | 1003061425 | Professional Counselor | Mooresville, NC | 2008 |
| John Ostrowski, MD | 1417893694 | Student in an Organized Health Care Education/Training Program | New Haven, CT | 2026 |
| John Ostrowski, MS, ATC | 1528088424 | Athletic Trainer | Worcester, MA | 2006 |
| John Ostrowski, MD | 1790770956 | Anesthesiology Physician | Wilmington, DE | 2005 |
| John Ostrowski, D.D.S | 1881817070 | General Practice Dentistry | Grand Rapids, MI | 2007 |
| Jonathan Ostrowski, M.D. | 1457357212 | Spinal Cord Injury Medicine Physician | Tucson, AZ | 2005 |
| Judith Ostrowski, AU.D | 1396910691 | Audiologist | Danville, VA | 2008 |
| Juliana Ostrowski | 1134734742 | Behavior Technician | Lenexa, KS | 2020 |
| Justin Ostrowski | 1255782686 | Other Specialist/Technologist | Corvallis, OR | 2016 |
| Kaitlyn Ostrowski, AU.D. | 1588303978 | Audiologist | Winona, MN | 2022 |
| Kaitlyn Ostrowski, NNP-BC | 1609424696 | Neonatal Nurse Practitioner | Akron, OH | 2019 |
| Karen Ostrowski, NP | 1083984728 | Acute Care Nurse Practitioner | Huntington Woods, MI | 2012 |
| Karen Ostrowski, N.P. | 1558447649 | Adult Health Nurse Practitioner | Palm Beach Gardens, FL | 2006 |
| Katelyn Ostrowski | 1356072755 | Counselor | Spokane, WA | 2022 |
| Katherine Ostrowski | 1477702306 | Licensed Practical Nurse | Holland, NY | 2008 |
| Kathleen Ostrowski, LPTA | 1861931487 | Physical Therapy Assistant | Bridgewater, NJ | 2017 |
| Kelly Ostrowski, CNM | 1336682509 | Advanced Practice Midwife | Springfield, MA | 2016 |
| Kelly Ostrowski, PT | 1558643460 | Physical Therapist | Buffalo, NY | 2011 |
| Kevin Ostrowski, M.D. | 1033352794 | Urology Physician | Kirkland, WA | 2009 |
| Kiley Ostrowski, RN-BSN | 1508699885 | Registered Nurse | Kalamazoo, MI | 2024 |
| Kimberly Ostrowski, OTR/L | 1346543048 | Occupational Therapist | Sterling Heights, MI | 2010 |
| Kimberly Ostrowski, LCSW-R | 1457560104 | Clinical Social Worker | Buffalo, NY | 2007 |
| Kimberly Ostrowski, D.O. | 1932399136 | Otolaryngology/Facial Plastic Surgery Physician | Clemson, SC | 2007 |
| Krystyna Ostrowski | 1619455607 | Family Nurse Practitioner | Bowler, WI | 2018 |
| Krzysztof Ostrowski, MD | 1225092505 | Anesthesiology Physician | Clackamas, OR | 2006 |
| Kyle Ostrowski | 1639607179 | Mental Health Counselor | Pottstown, PA | 2017 |
| Lance Ostrowski, DDS | 1205096450 | General Practice Dentistry | Park Ridge, IL | 2008 |
| Lauren Ostrowski, MHC-LP | 1548070345 | Mental Health Counselor | Syracuse, NY | 2025 |
| Lauren Ostrowski | 1730438011 | Professional Counselor | Pottstown, PA | 2012 |
| Lawrence Ostrowski, M.D. | 1851435481 | Psychiatry Physician | Cincinnati, OH | 2007 |
| Leeann Ostrowski, PA | 1437240801 | Physician Assistant | Wilkes Barre, PA | 2006 |
| Leonard Ostrowski, DDS | 1225276504 | Dentist | Tustin, CA | 2009 |
| Leonard Ostrowski, M.D. | 1881691947 | Family Medicine Physician | Portage, IN | 2005 |
| Lisa Ostrowski, MD | 1205879913 | Anatomic Pathology Physician | La Porte, IN | 2006 |
| Lisa Ostrowski, PHYSICIAN ASSISTANT | 1881853786 | Physician Assistant | Arlington, TX | 2008 |
| Lynn Ostrowski, LCSW | 1255734604 | Clinical Social Worker | Chicago, IL | 2014 |
| Madeline Ostrowski | 1518842426 | Athletic Trainer | Apex, NC | 2025 |
| Madysen Ostrowski, LCPC | 1487069076 | Mental Health Counselor | McHenry, IL | 2014 |
| Margaret Ostrowski, PAC | 1134464704 | Physician Assistant | Park Ridge, IL | 2012 |
| Margaret Ostrowski, MS,PCC-S,REGPLAYTH-S | 1700941457 | Mental Health Counselor | Mansfield, OH | 2006 |
| Mark Ostrowski, PSY.D. | 1700022324 | Clinical Psychologist | Stamford, CT | 2009 |
| Mary Ostrowski | 1013788405 | Peer Specialist | Chico, CA | 2024 |
| Mary Ostrowski, M.D. | 1174528418 | Anatomic Pathology & Clinical Pathology Physician | Conroe, TX | 2005 |
| Mary Ostrowski, RD | 1376998419 | Registered Dietitian | Little Silver, NJ | 2016 |
| Mary Ostrowski, N.P. | 1497914709 | Nurse Practitioner | Conroe, TX | 2008 |
| Mary Ostrowski, RN | 1982959680 | Emergency Registered Nurse | Pittsburgh, PA | 2012 |
| Mary Joyce Ostrowski, MSW, LISW | 1285171082 | Clinical Social Worker | Loveland, OH | 2017 |
| Megan Ostrowski, PA-C | 1043688898 | Surgical Physician Assistant | Colorado Springs, CO | 2015 |
| Micah Ostrowski, MD | 1275238198 | Internal Medicine Physician | Salt Lake City, UT | 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).