Providers Leanna Olson-Silva to Tanya Olszewski, M.D.
300 individual NPIs in the federal registry, part 16,222 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. 107 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Leanna Olson-Silva | 1447397302 | Case Manager/Care Coordinator | Lake Isabella, CA | 2007 |
| Carl Olson-Skog | 1770275802 | Behavior Technician | Brooklyn Center, MN | 2023 |
| Jennifer Olson-Smith, PT | 1902881501 | Physical Therapist | Mc Murray, PA | 2005 |
| Susan Olson-Smith, RN | 1174177208 | School Registered Nurse | Tucson, AZ | 2019 |
| Annalee Olson-Sola, OTR/L | 1568333904 | Occupational Therapist | Anaconda, MT | 2025 |
| Nathalie Olson-Studler | 1003336322 | Counselor | San Francisco, CA | 2017 |
| Nicolas Olson-Studler, DPT, OCS | 1043796261 | Orthopedic Physical Therapist | Wheat Ridge, CO | 2018 |
| Marlys Olson-Stuht, MS, RD, LD | 1538384516 | Registered Dietitian | Mansfield, OH | 2007 |
| Amy Olson-Treptow | 1639702608 | Rehabilitation Practitioner | Rochester, MN | 2020 |
| Geralee Olson-Triplett, LIMHP | 1104152289 | Mental Health Counselor | Lincoln, NE | 2009 |
| Kimberly Olson-Vargas | 1609751221 | Marriage & Family Therapist | Bonita, CA | 2025 |
| Chyann Olson-Weiler | 1669907556 | Physical Therapy Assistant | Wausau, WI | 2017 |
| Sara Olson-Wiencek, PMHNP-BC | 1790400786 | Psychiatric/Mental Health Nurse Practitioner | Gardena, CA | 2022 |
| Cheryl Olson-Wilbur | 1548541378 | Case Manager/Care Coordinator | Mesquite, NV | 2011 |
| Jan Olson-Zeringue, CRNP | 1154365633 | Nurse Practitioner | Huntsville, AL | 2006 |
| Stephanie Olsonawski, LMP | 1821316563 | Massage Therapist | Laurel, MT | 2010 |
| Anna Olsonoski, LCSW | 1831780345 | Clinical Social Worker | Missoula, MT | 2021 |
| Laura Olsonoski, OTD | 1700268554 | Occupational Therapist | Missoula, MT | 2015 |
| Albert Olsovsky | 1801113980 | Pharmacist | Waco, TX | 2010 |
| Gregory Olsovsky, M.D. | 1215998091 | Clinical Cardiac Electrophysiology Physician | Temple, TX | 2006 |
| Heather Olsovsky, CST | 1952183717 | Surgical Technologist | Missouri City, TX | 2023 |
| Mary Olsovsky, M.D. | 1891737300 | Clinical Cardiac Electrophysiology Physician | Colorado Springs, CO | 2006 |
| Paul Olsovsky, O.D. | 1700112125 | Optometrist | Olympia, WA | 2009 |
| Rose Olsovsky, LAC | 1265259675 | Acupuncturist | McMinnville, OR | 2024 |
| Eugene Olsowka, M.D., PH.D. | 1407943871 | Anatomic Pathology & Clinical Pathology Physician | Grand Blanc, MI | 2006 |
| Katelyn Olsoy | 1750068581 | Counselor | Everett, WA | 2023 |
| Rolf Olsoy, MD | 1316985500 | Anesthesiology Physician | Kirkland, WA | 2006 |
| Melanie Olsrud, FNP | 1841298320 | Family Nurse Practitioner | Grants Pass, OR | 2005 |
| Adam Olsson, MD | 1073701173 | Pain Medicine Physician | Johnson City, TN | 2007 |
| Adam Olsson, PA | 1992378822 | Physician Assistant | Plymouth, MN | 2021 |
| Alexis Olsson, DDS | 1598753212 | Oral & Maxillofacial Surgery (D.M.D.) | Chicago, IL | 2005 |
| Amy Olsson, CNM | 1487386942 | Advanced Practice Midwife | Damascus, MD | 2022 |
| Andrew Olsson, DDS | 1952419913 | Dentist | Hood River, OR | 2006 |
| Benjamin Olsson, DO | 1467642025 | Pediatric Critical Care Medicine Physician | Fort Worth, TX | 2007 |
| Cara Olsson, M.S., BCBA, LABA | 1508472978 | Behavior Analyst | Norwell, MA | 2020 |
| Christina Olsson, RDH EPDH | 1184955973 | Dental Hygienist | Roseburg, OR | 2010 |
| Christina Olsson, MA, NCC | 1194224238 | Mental Health Counselor | New Bedford, MA | 2018 |
| Christopher Olsson, LMSW | 1093431942 | Clinical Social Worker | Carlsbad, NM | 2022 |
| Coleen Olsson, LCSW | 1952520892 | Clinical Social Worker | Cranberry Township, PA | 2007 |
| Cynthia Olsson, CRNP | 1841292729 | Nurse Practitioner | Birmingham, AL | 2005 |
| Daniel Olsson, DO | 1538126164 | Emergency Medicine Physician | Syracuse, NY | 2006 |
| Danielle Olsson, COTA | 1649047192 | Occupational Therapy Assistant | Tucson, AZ | 2023 |
| Diane Olsson, LCSW-C | 1295849123 | Clinical Social Worker | Lutherville, MD | 2006 |
| Elizabeth Olsson | 1225826811 | Student in an Organized Health Care Education/Training Program | Chapel Hill, NC | 2025 |
| Eric-Paul Olsson, CNP | 1295383305 | Psychiatric/Mental Health Nurse Practitioner | Newton, MA | 2019 |
| Erik Olsson | 1558688697 | Orthopaedic Surgery Physician | Hendersonville, NC | 2010 |
| Erika Olsson | 1366598856 | Speech-Language Pathologist | Albuquerque, NM | 2007 |
| Gloria Olsson | 1316516073 | Nurse Practitioner | Richland, WA | 2021 |
| Hanna Olsson, OTR/L | 1588198410 | Pediatric Occupational Therapist | Gainesville, FL | 2017 |
| Harold Olsson, MD | 1720066269 | Diagnostic Radiology Physician | Kirkland, WA | 2006 |
| Heather Olsson, MA, LCPC | 1316227440 | Professional Counselor | Naperville, IL | 2011 |
| Imaobong Olsson, AMFT | 1740751080 | Mental Health Counselor | El Cajon, CA | 2018 |
| Ingrid Olsson, PA-C | 1477062693 | Surgical Physician Assistant | Pomona, CA | 2017 |
| Isabelle Olsson, MA | 1689393498 | Community Health Worker | Lynnfield, MA | 2022 |
| Jason Olsson | 1730374091 | Occupational Therapist | Arlington, VA | 2007 |
| Jay Olsson, DO PROF ASSOCIATIONN | 1144264904 | Physical Medicine & Rehabilitation Physician | Melbourne, FL | 2006 |
| Jennifer Olsson, BS | 1689216061 | Case Manager/Care Coordinator | Nashua, NH | 2019 |
| Jeremy Olsson, MS, FNP-C | 1093199804 | Family Nurse Practitioner | Manchester, NH | 2015 |
| Jerome Olsson | 1073483632 | Day Training/Habilitation Specialist | Davis, CA | 2025 |
| John Olsson, MD | 1194710632 | Pediatrics Physician | Charlottesville, VA | 2005 |
| John Olsson, DDS | 1518077577 | General Practice Dentistry | Lakebay, WA | 2006 |
| Jordyn Olsson, OTR/L | 1376379420 | Occupational Therapist | Machias, ME | 2024 |
| Jorgen Olsson, M.D. | 1487608451 | Obstetrics & Gynecology Physician | Elkins, WV | 2006 |
| Joseph Olsson | 1477442507 | Behavior Technician | Canoga Park, CA | 2025 |
| Julie Olsson, MD | 1013042019 | Pulmonary Disease Physician | Stanford, CA | 2007 |
| Julie Olsson, LMFT-A | 1194563205 | Marriage & Family Therapist | Norwalk, CT | 2024 |
| Kali Olsson | 1366106825 | Student in an Organized Health Care Education/Training Program | Auburn, WA | 2021 |
| Kassidy Olsson | 1871293332 | Behavior Technician | Phoenix, AZ | 2023 |
| Katherine Olsson, PT | 1609266907 | Physical Therapist | Littleton, CO | 2015 |
| Kathleen Olsson, OTRL | 1316143449 | Occupational Therapist | Coventry, RI | 2007 |
| Kerri Olsson | 1699327627 | Personal Care Attendant | Reno, NV | 2019 |
| Krister Olsson | 1316878358 | Physical Therapist | Oceanside, CA | 2026 |
| Kristin Olsson, DPT, PT | 1881150332 | Physical Therapist | Foxboro, MA | 2019 |
| Kurt Olsson, LCSW | 1669696415 | Clinical Social Worker | San Antonio, TX | 2007 |
| Lana Olsson, R.D., C.S.G | 1396044772 | Registered Dietitian | Fort Collins, CO | 2011 |
| Leah Olsson, CRNA | 1508195454 | Certified Registered Nurse Anesthetist | Chicago, IL | 2009 |
| Leif Olsson, M.D. | 1265489306 | Urology Physician | Wakefield, RI | 2006 |
| Lisa Olsson, PH.D. | 1760471296 | Clinical Neuropsychologist | Seattle, WA | 2005 |
| Lynn Olsson | 1811777956 | Behavior Technician | Grand Rapids, MI | 2023 |
| Mackenzie Olsson | 1720788904 | Behavior Technician | Bloomington, IN | 2023 |
| Makayla Olsson | 1477223782 | Behavior Technician | Attleboro, MA | 2021 |
| Margaret Olsson | 1932590767 | Physical Therapy Assistant | North Attleboro, MA | 2015 |
| Mary August Olsson | 1023708567 | Physician Assistant | Cherry Hill, NJ | 2023 |
| Melissa Olsson | 1902635303 | Pharmacist | Helena, MT | 2024 |
| Meredith Olsson, LMFT | 1588128839 | Marriage & Family Therapist | Little Rock, AR | 2019 |
| Mikel Olsson, M.S. | 1013456284 | Addiction (Substance Use Disorder) Counselor | Lakewood, WA | 2017 |
| Mikki Olsson, LPC | 1144994146 | Mental Health Counselor | Mansfield, LA | 2021 |
| Monika Olsson, NP | 1275688053 | Nurse Practitioner | Boston, MA | 2007 |
| Natalie Olsson, LMFT | 1912554965 | Marriage & Family Therapist | San Diego, CA | 2019 |
| Nels Olsson, BA, CADC-R, PSS | 1629927553 | Addiction (Substance Use Disorder) Counselor | Salem, OR | 2026 |
| Nicole Olsson | 1346949609 | Certified Registered Nurse Anesthetist | Tampa, FL | 2023 |
| Pamela Olsson, MD | 1093740037 | Psychiatry Physician | Nashua, NH | 2006 |
| Peter Olsson, MD | 1699834853 | Psychiatry Physician | Peterborough, NH | 2006 |
| Phillip Olsson, MD | 1881724508 | Hospice and Palliative Medicine (Internal Medicine) Physician | Topeka, KS | 2007 |
| Rachel Olsson, APRN, CNM | 1255871281 | Advanced Practice Midwife | San Antonio, TX | 2017 |
| Rachel Olsson, LMP | 1679777965 | Massage Therapist | Olympia, WA | 2007 |
| Ramona Olsson, RPT | 1982729018 | Physical Therapist | Steep Falls, ME | 2007 |
| Rebecca Olsson, PA-C, MSPAS | 1578134292 | Physician Assistant | Minneapolis, MN | 2021 |
| Robert Olsson, AU.D. | 1164493656 | Audiologist-Hearing Aid Fitter | San Diego, CA | 2006 |
| Roberta Olsson, M.S., CCC-SLP | 1588769137 | Speech-Language Pathologist | Merritt Island, FL | 2006 |
| Roger Olsson, M.D. | 1629150743 | Family Medicine Physician | Mukilteo, WA | 2006 |
| Roxana Olsson, LPC | 1740648559 | Professional Counselor | Montgomery, AL | 2016 |
| Samantha Olsson, MD | 1659202570 | Family Medicine Physician | Tucson, AZ | 2026 |
| Sasha Olsson, LCSW | 1962692764 | Clinical Social Worker | Klamath Falls, OR | 2007 |
| Savanna Olsson, PMHNP | 1245985464 | Psychiatric/Mental Health Nurse Practitioner | Victorville, CA | 2022 |
| Scott Olsson, M.D. | 1972682136 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Cypress, TX | 2006 |
| Shelby Olsson, MPA, MSN, FNP-BC | 1417564576 | Family Nurse Practitioner | Colorado Springs, CO | 2020 |
| Sofia Olsson, MD | 1467340679 | Student in an Organized Health Care Education/Training Program | Sacramento, CA | 2025 |
| Steven Olsson | 1043297039 | Gastroenterology Physician | St Louis Park, MN | 2005 |
| Tara Olsson, DPT | 1629323787 | Physical Therapist | Norfolk, VA | 2012 |
| Taylor Olsson | 1881242857 | Behavior Technician | Tampa, FL | 2019 |
| Tina Olsson, D.M.D., M.S.D | 1053351791 | Endodontics | Fircrest, WA | 2006 |
| Ulrik Olsson, PT MTC | 1508921735 | Physical Therapist | Grand Junction, CO | 2006 |
| Youngsook Olsson, NP | 1083773634 | Adult Health Nurse Practitioner | Indianapolis, IN | 2006 |
| Lena Olsson Noonan, PT | 1093797771 | Physical Therapist | Boston, MA | 2005 |
| Karl Olsson-Deem, DC | 1801673835 | Chiropractor | San Carlos, CA | 2023 |
| Aleksandra Olsson-Detwiler, M.D. | 1740280510 | Internal Medicine Physician | Tyler, TX | 2005 |
| Cindy Olstad | 1700244696 | Case Manager/Care Coordinator | Ellendale, ND | 2016 |
| Claire Olstad, M.D. | 1386646735 | Pediatrics Physician | Pottstown, PA | 2005 |
| Danielle Olstad, RN | 1912848730 | Registered Nurse | Tomah, WI | 2026 |
| Deina Olstad, MA, CMHC | 1629944574 | Mental Health Counselor | Bristol, VT | 2025 |
| Demi Olstad, LPC | 1831767136 | Mental Health Counselor | Scottsdale, AZ | 2021 |
| Erik Olstad, PAC | 1679756241 | Physician Assistant | Huntingdon Valley, PA | 2007 |
| Gareth Olstad, PA-C | 1457935330 | Physician Assistant | Spokane, WA | 2021 |
| Hunter Olstad | 1356144802 | Student in an Organized Health Care Education/Training Program | Milwaukee, WI | 2025 |
| Isaac Olstad, PHARMD | 1457756041 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | West Allis, WI | 2014 |
| Jessica Olstad | 1386094407 | Clinical Social Worker | Seattle, WA | 2016 |
| Jessica Olstad | 1699194100 | Case Manager/Care Coordinator | Rapid City, SD | 2014 |
| John Olstad, PMHNP-BC | 1154105500 | Psychiatric/Mental Health Nurse Practitioner | West Allis, WI | 2023 |
| Judy Olstad, SLP | 1578633905 | Speech-Language Pathologist | Rapid City, SD | 2006 |
| Kirstin Olstad | 1356697858 | Physical Therapist | Port Orange, FL | 2012 |
| Kristina Olstad, PA | 1609872043 | Physician Assistant | Beach, ND | 2005 |
| Lars Olstad | 1942951355 | Physical Therapist | Edgerton, WI | 2022 |
| Melissa Olstad, PTA | 1194974675 | Physical Therapy Assistant | Glenwood, MN | 2008 |
| Mary Olstad Hanson, LCSW | 1750325627 | Clinical Social Worker | La Crosse, WI | 2006 |
| Kari Olstadt, COTA | 1568603280 | Occupational Therapy Assistant | Mauston, WI | 2009 |
| Shelley Olsted, PT | 1700831948 | Physical Therapist | Clifton Park, NY | 2006 |
| Aaron Olstein, O.D. | 1124281225 | Optometrist | Bear, DE | 2008 |
| Dayna Olstein, D.M.D. | 1659524478 | Pediatric Dentistry | Monroe, NY | 2008 |
| Erica Olstein, A.P. | 1265736011 | Acupuncturist | Ocala, FL | 2011 |
| Joel Olstein, MD | 1548252877 | Urology Physician | Lewiston, ME | 2005 |
| Joshua Olstein, MD | 1346446580 | Gastroenterology Physician | New City, NY | 2007 |
| Julia Olstein | 1407477102 | Dentist | New York, NY | 2020 |
| Michael Olstein, M.D., | 1063438596 | Ophthalmology Physician | Medford, MA | 2006 |
| Richard Olstein, M.D. | 1154588242 | Interventional Cardiology Physician | Burien, WA | 2008 |
| Sarah Olstein | 1679456545 | Advanced Practice Midwife | Trenton, NJ | 2025 |
| Sheri Olstein, FNP | 1962552877 | Family Nurse Practitioner | Lewiston, ME | 2007 |
| Simon Olstein, MD | 1972896520 | Addiction Medicine (Preventive Medicine) Physician | Phoenix, AZ | 2011 |
| William Olstein | 1982791455 | Family Medicine Physician | Huntingdon, PA | 2006 |
| Charlotte Olsten, NP-C | 1588225304 | Nurse Practitioner | Dayton, OH | 2019 |
| Sarah Olsten | 1295597631 | Clinical Social Worker | Silver Spring, MD | 2024 |
| Alan Olster, LISW | 1255429916 | Mental Health Counselor | Albuquerque, NM | 2006 |
| Larry Olster | 1821002999 | Pharmacist | Wilkes Barre, PA | 2006 |
| Meredith Olster, LCSW | 1619240496 | Social Worker | East Northport, NY | 2012 |
| Mitchell Olster, LCSW | 1265519284 | Clinical Social Worker | Massapequa, NY | 2006 |
| Rachelle Olster, LCSW | 1467435362 | Clinical Social Worker | East Northport, NY | 2005 |
| Ineke Olsthoorn, PHD | 1497373955 | Clinical Neuropsychologist | Shenandoah, TX | 2020 |
| Yah Olsthoorn | 1194007831 | Driver | Norcross, GA | 2011 |
| Kayla Olstinske, PHARMD | 1174355184 | Pharmacist | Des Moines, IA | 2024 |
| Amanda Olstinski, MD | 1316400880 | Internal Medicine Physician | Grafton, WI | 2019 |
| Jennifer Olston, LCSW | 1568446441 | Clinical Social Worker | Indianapolis, IN | 2005 |
| Aubrey Olsufka | 1013839646 | Adult Companion | Grand Island, NE | 2026 |
| Michelle Olsufka | 1548886781 | Behavior Analyst | Oak Harbor, WA | 2020 |
| Rachael Olsufka | 1811477888 | Pharmacist | Vancouver, WA | 2018 |
| William Olsufka, PHARM.D | 1619318383 | Pharmacist | Miami, FL | 2013 |
| Maria Olsvold | 1578121380 | Health Educator | Santa Clara, CA | 2019 |
| Stacy Olswang, O.D. | 1851440010 | Optometrist | Chicago, IL | 2007 |
| Justin Olswanger, DO | 1033265657 | Adult Medicine Physician | Walla Walla, WA | 2007 |
| Andrew Olswing, DO | 1952695231 | Orthopaedic Surgery Physician | Ames, IA | 2011 |
| Lesley Olswing, O.D. | 1902069305 | Optometrist | Ames, IA | 2008 |
| Tiffany Olswold, APRN, CNP, MSN | 1811373665 | Nurse Practitioner | Rochester, MN | 2015 |
| Ashley Olszak, M. ED., BCBA, LBA | 1730971342 | Behavior Analyst | Chevy Chase, MD | 2025 |
| Carolina Olszak | 1801482245 | Clinical Social Worker | Overland Park, KS | 2020 |
| Dianne Olszak, PT | 1710910435 | Orthopedic Physical Therapist | Trussville, AL | 2006 |
| Erin Olszak | 1629582010 | Speech-Language Pathologist | King Of Prussia, PA | 2017 |
| Karyn Olszak | 1720574148 | Behavior Analyst | Lindenhurst, IL | 2018 |
| Megan Olszak, APRN, FNP-BC, FNP-C | 1326933847 | Nurse Practitioner | Chicago, IL | 2025 |
| Olivia Olszak, CNM, WHNP | 1225643554 | Advanced Practice Midwife | Portland, OR | 2020 |
| Rebbecca Olszak, MD | 1235354689 | Pediatrics Physician | Groton, MA | 2007 |
| Maiella Olszanowski, RN | 1932398674 | Registered Nurse | Salinas, CA | 2007 |
| Anthony Olszanski, M.D. | 1447483433 | Medical Oncology Physician | Philadelphia, PA | 2009 |
| Barbara Olszanski, LMHC | 1639537996 | Mental Health Counselor | Lake Mary, FL | 2016 |
| Leandro Olszanski | 1457994246 | Mental Health Counselor | Rome, GA | 2019 |
| Josha Olszen | 1952849549 | Behavior Technician | Colorado Springs, CO | 2017 |
| Danielle Olszeski, PA | 1366713745 | Physician Assistant | Houston, TX | 2012 |
| Diana Olszewska | 1750242624 | Licensed Practical Nurse | North Liberty, IA | 2025 |
| Ewelina Olszewska, M.ED | 1548669310 | Rehabilitation Practitioner | Sparks, NV | 2014 |
| Iwona Olszewska | 1386999159 | Licensed Practical Nurse | Chicago, IL | 2012 |
| Karolina Olszewska, PT | 1689230963 | Physical Therapist | Ridgewood, NY | 2019 |
| Paulina Olszewska, D.O., MSC | 1720407992 | Family Medicine Physician | Bay Pines, FL | 2014 |
| Abbie Olszewski, MA, CCC-SLP | 1134136054 | Speech-Language Pathologist | Reno, NV | 2006 |
| Abigail Olszewski, PHARMD | 1639702350 | Pharmacist | Milwaukee, WI | 2020 |
| Adam Olszewski, MD | 1164818753 | Neurological Surgery Physician | Springfield, MO | 2015 |
| Adam Olszewski, M.D. | 1467436915 | Hematology & Oncology Physician | Providence, RI | 2005 |
| Adam Olszewski | 1902337587 | Student in an Organized Health Care Education/Training Program | Detroit, MI | 2017 |
| Albert Olszewski, M.D. | 1295846186 | Orthopaedic Surgery Physician | Kalispell, MT | 2006 |
| Aleksandra Olszewski | 1861854903 | Pediatric Critical Care Medicine Physician | Seattle, WA | 2016 |
| Alexis Olszewski | 1144800343 | Technician/Technologist | Dearborn, MI | 2021 |
| Alicia Olszewski, PHARMD | 1578168415 | Pharmacist | Warwick, RI | 2020 |
| Amber Olszewski, CRNP | 1639858905 | Nurse Practitioner | Erie, PA | 2023 |
| Angela Olszewski, R.D., C.D. | 1245517424 | Registered Dietitian | Everett, WA | 2011 |
| Ashley Olszewski, CRNP | 1396462859 | Obstetrics & Gynecology Nurse Practitioner | Frederick, MD | 2022 |
| Ashley Olszewski, D.O. | 1649658253 | Neonatal-Perinatal Medicine Physician | Lexington, KY | 2015 |
| Audrey Olszewski | 1699241547 | Mental Health Counselor | Towson, MD | 2018 |
| Brianne Olszewski, PA-C | 1609500479 | Medical Physician Assistant | Pittsburgh, PA | 2022 |
| Brittany Olszewski | 1447600804 | Registered Nurse | Gasport, NY | 2016 |
| Caitlyn Olszewski | 1568918217 | Developmental Therapist | San Diego, CA | 2016 |
| Celeste Olszewski | 1770056715 | Social Worker | Johnstown, PA | 2019 |
| Chad Olszewski, P.C. | 1275780801 | Mental Health Counselor | Toledo, OH | 2008 |
| Claudia Olszewski, MD | 1306575030 | Student in an Organized Health Care Education/Training Program | Springfield, MA | 2022 |
| Colleen Olszewski, FNP-C | 1528620812 | Family Nurse Practitioner | Fayetteville, NY | 2019 |
| Colleen Olszewski, M.D. | 1588660237 | Pediatrics Physician | Perrysburg, OH | 2005 |
| Dana Olszewski, MD | 1124293097 | Orthopaedic Surgery Physician | Atlanta, GA | 2008 |
| David Olszewski, CRNA | 1396126918 | Certified Registered Nurse Anesthetist | Erie, PA | 2015 |
| David Olszewski, CRNA | 1861597346 | Certified Registered Nurse Anesthetist | Riverside, RI | 2006 |
| Deborah Olszewski, CNP | 1669473146 | Nurse Practitioner | Detroit, MI | 2005 |
| Deborah Olszewski | 1710330451 | Licensed Practical Nurse | Ann Arbor, MI | 2016 |
| Debra Olszewski, M.S. | 1376746289 | Mental Health Counselor | Gloucester, MA | 2007 |
| Douglas Olszewski, CRNA | 1326000571 | Certified Registered Nurse Anesthetist | Pittsburgh, PA | 2006 |
| Elizabeth Olszewski, NP-C | 1700615507 | Family Nurse Practitioner | Albion, MI | 2024 |
| Emily Olszewski, BA | 1093326522 | Marriage & Family Therapist | San Jose, CA | 2020 |
| Emily Olszewski | 1730819426 | Developmental Therapist | Westfield, MA | 2022 |
| Emily Olszewski | 1780305623 | Occupational Therapist | Homestead, PA | 2022 |
| Erin Olszewski | 1770283673 | Professional Counselor | Willowbrook, IL | 2023 |
| Erin Olszewski | 1811358245 | Developmental Therapist | Milford, MA | 2016 |
| Gary Olszewski, RPH | 1215429634 | Pharmacist | New Berlin, WI | 2018 |
| Gergana Olszewski, PA-C | 1609486083 | Physician Assistant | Statesville, NC | 2020 |
| Grace Olszewski | 1508738006 | Home Health Aide | Twinsburg, OH | 2025 |
| Gregory Olszewski, MD | 1952741050 | Family Medicine Physician | Minneapolis, MN | 2013 |
| Hannah Olszewski, NCC, LPCC | 1952876161 | Mental Health Counselor | Frisco, CO | 2018 |
| Heidi Olszewski, LISW-S | 1780977611 | Clinical Social Worker | Toledo, OH | 2011 |
| Jacek Olszewski, PT | 1518431832 | Physical Therapist | Ontonagon, MI | 2019 |
| Jaclyn Olszewski, PT | 1588511562 | Physical Therapist | Wilkes Barre, PA | 2026 |
| Jakub Olszewski, SLP | 1538862883 | Speech-Language Pathologist | Wakefield, MI | 2023 |
| James Olszewski, D.C. | 1114106234 | Chiropractor | Huntsville, AL | 2007 |
| James Olszewski, RPH | 1558654657 | Pharmacist | Narragansett, RI | 2011 |
| Janna Olszewski, OT | 1083997464 | Occupational Therapist | Plymouth Meeting, PA | 2011 |
| Jason Olszewski | 1548458128 | Physician Assistant | Baltimore, MD | 2007 |
| Jason Olszewski, RN | 1679163778 | Registered Nurse | Patchogue, NY | 2021 |
| Jenifer Olszewski, C.N.P. | 1306062302 | Family Nurse Practitioner | Clinton Township, MI | 2007 |
| Jennifer Olszewski, CRNP | 1750723250 | Adult Health Nurse Practitioner | Blue Bell, PA | 2013 |
| Jennifer Olszewski | 1982541512 | Speech-Language Pathologist | Cottage Grove, MN | 2026 |
| Jessica Olszewski, M.ED, NCC, LPC | 1174370522 | Mental Health Counselor | Littlestown, PA | 2024 |
| Jo Alene Olszewski, COTA | 1598274474 | Occupational Therapy Assistant | Greensboro, NC | 2017 |
| Jon Olszewski, PA-C | 1629602115 | Urology Physician | Boston, MA | 2020 |
| Joseph Olszewski, MS LAT CSCS | 1639202971 | Athletic Trainer | Kenosha, WI | 2007 |
| Julia Olszewski, COUNSELOR, QMHP | 1215780358 | Mental Health Counselor | Waterloo, IL | 2024 |
| Julie Olszewski, CRNA | 1205895547 | Certified Registered Nurse Anesthetist | Troy, MI | 2006 |
| Karen Olszewski | 1457535882 | Speech-Language Pathologist | New Cumberland, WV | 2007 |
| Karin Olszewski, BSN | 1841730322 | Registered Nurse | Corvallis, OR | 2017 |
| Kaylee Olszewski, PA-C | 1376293605 | Physician Assistant | Hilton Head Island, SC | 2022 |
| Kenneth Olszewski | 1164027009 | Pharmacist | Bristol, RI | 2020 |
| Kevin Olszewski | 1093335168 | Mental Health Counselor | Wexford, PA | 2020 |
| Kimberly Olszewski | 1316393119 | Student in an Organized Health Care Education/Training Program | Macomb, MI | 2016 |
| Kimberly Olszewski, CRNP | 1487783452 | Adult Health Nurse Practitioner | Lewisburg, PA | 2007 |
| Krista Olszewski, M.S. CCC-SLP | 1649591793 | Speech-Language Pathologist | Wyoming, MI | 2010 |
| Kristen Olszewski, APN-CNP | 1922533397 | Nurse Practitioner | Oswego, IL | 2017 |
| Krystine Olszewski, O.D. | 1093120784 | Optometrist | West Haven, CT | 2014 |
| Kyle Olszewski, PHARMD | 1659784908 | Pharmacist | Boulder, CO | 2014 |
| Lance Olszewski, PHARM D | 1124326897 | Ambulatory Care Pharmacist | Willoughby, OH | 2011 |
| Lauren Olszewski, DO | 1124589809 | Neurocritical Care Physician | Charleston, SC | 2019 |
| Lauren Olszewski, APRN | 1316672470 | Family Nurse Practitioner | Burbank, IL | 2022 |
| Leigh Olszewski, M.S. | 1588135784 | Mental Health Counselor | Olympia, WA | 2018 |
| Linda Olszewski | 1114374790 | Clinical Psychologist | New York, NY | 2016 |
| Lisa Olszewski, D.C. | 1083707343 | Chiropractor | Chelsea, MI | 2006 |
| Lisa Olszewski, PHARM D | 1316300494 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Sacramento, CA | 2016 |
| Lori Olszewski, MS | 1760697973 | Audiologist | Hales Corners, WI | 2007 |
| Lynn Olszewski, D.C. | 1568417095 | Chiropractor | Massillon, OH | 2006 |
| Madison Olszewski | 1083599591 | Behavior Analyst | Glenview, IL | 2025 |
| Madison Olszewski | 1871399014 | Lactation Consultant (Non-RN) | Huntsville, AL | 2025 |
| Malachi Olszewski, DC | 1730942988 | Chiropractor | Huntsville, AL | 2024 |
| Mariusz Olszewski, M.D. | 1538147830 | Diagnostic Radiology Physician | Ardmore, PA | 2006 |
| Mary Olszewski, D.P.M. | 1245274406 | Foot Surgery Podiatrist | Palatine, IL | 2006 |
| Mary Lou Olszewski, CRNP | 1962904896 | Family Nurse Practitioner | Erie, PA | 2018 |
| Megan Olszewski, LPC | 1700433968 | Professional Counselor | Austin, TX | 2019 |
| Michael Olszewski, PHARM.D. | 1215483987 | Pharmacotherapy Pharmacist | Hickory, NC | 2016 |
| Monica Olszewski | 1528741352 | Physician Assistant | Park Ridge, IL | 2023 |
| Nancy Olszewski, LCSW | 1972517670 | Clinical Social Worker | Erie, PA | 2006 |
| Nathan Olszewski, MD | 1376905109 | Orthopaedic Trauma Physician | Boston, MA | 2016 |
| Nicholas Olszewski | 1356975650 | Pharmacist | Waukesha, WI | 2020 |
| Nicholas Olszewski | 1427785070 | Student in an Organized Health Care Education/Training Program | North Huntingdon, PA | 2022 |
| Paige Olszewski, BA | 1669291159 | Addiction (Substance Use Disorder) Counselor | Warrenville, IL | 2024 |
| Paul Olszewski, CRNA | 1801928957 | Anesthesiology Physician | Clearfield, PA | 2007 |
| Pawel Olszewski, MD | 1679582043 | Internal Medicine Physician | Beloit, WI | 2006 |
| Peter Olszewski, D.C. | 1730204512 | Chiropractor | Virginia Beach, VA | 2007 |
| Raymond Olszewski, LMSW | 1922068766 | Clinical Social Worker | Columbia, SC | 2006 |
| Rebecca Olszewski, PHARMD | 1417214461 | Pharmacist | Simpsonville, SC | 2012 |
| Robert Olszewski, MD | 1447489505 | Anesthesiology Physician | Newark, DE | 2009 |
| Robin Olszewski, RN | 1689561037 | Registered Nurse | New York, NY | 2025 |
| Ronald Olszewski, D.D.S. | 1578781522 | General Practice Dentistry | Grand Rapids, MI | 2007 |
| Rose Olszewski, DPT, PT | 1366652414 | Physical Therapist | Auburndale, MA | 2007 |
| Samantha Olszewski, PA | 1588138242 | Cardiovascular Disease Physician | New York, NY | 2019 |
| Scott Olszewski, LICSW | 1942489737 | Clinical Social Worker | Whitman, MA | 2007 |
| Shawn Olszewski, LMT | 1033548862 | Massage Therapist | Buffalo, NY | 2013 |
| Shelley Olszewski, RN | 1477218790 | Registered Nurse | Medina, OH | 2021 |
| Stephanie Olszewski, OT | 1134714264 | Occupational Therapist | Adrian, MI | 2021 |
| Steven Olszewski, M.D. | 1063409241 | Radiation Oncology Physician | Miami, FL | 2005 |
| Susan Olszewski, FNP-BC APNP | 1568693828 | Nurse Practitioner | Fond Du Lac, WI | 2009 |
| Tanya Olszewski, MS. ED. | 1346501152 | Specialist | Brooklyn, NY | 2012 |
| Tanya Olszewski, M.D. | 1962813758 | Surgery Physician | Pittsburgh, PA | 2014 |
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).