Providers Janine Olejnik to Brooke Olenowski, PA-C
300 individual NPIs in the federal registry, part 16,172 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. 110 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Janine Olejnik | 1558608869 | Specialist | Massapequa, NY | 2013 |
| Jeffrey Olejnik, MD | 1598727620 | Obstetrics & Gynecology Physician | Jacksonville, IL | 2006 |
| Joann Olejnik, LMFT | 1881005304 | Marriage & Family Therapist | Santa Barbara, CA | 2014 |
| Katie Olejnik, MS | 1992489892 | Speech-Language Pathologist | Franklin, WI | 2023 |
| Laura Olejnik, RD | 1689846461 | Registered Dietitian | Downers Grove, IL | 2008 |
| Lisa Olejnik, RPH | 1235601220 | Pharmacist | Danville, PA | 2019 |
| Marley Olejnik, BCBA | 1790139657 | Behavior Analyst | Woodruff, SC | 2016 |
| Megan Olejnik, LCSW | 1679280119 | Clinical Social Worker | Rockford, IL | 2022 |
| Renata Olejnik, DDS | 1609085315 | Dentist | Troy, MI | 2007 |
| Theodore Olejnik, LICSW | 1669500401 | Clinical Social Worker | Easthampton, MA | 2007 |
| Tomasz Olejnik | 1780180695 | Emergency Medicine Physician | Powell, WY | 2018 |
| Robert Olejnik-Brzusek, DDS | 1417785593 | Dentist | Burton, MI | 2024 |
| Scarlett Olejnik-Brzusek, MD | 1205416591 | Pediatrics Physician | Salt Lake City, UT | 2021 |
| Monika Olejnik-Wilczynska, MD | 1538857511 | Rheumatology Physician | Salt Lake City, UT | 2023 |
| Silvia Olejnikova, M.D. | 1215141163 | Anesthesiology Physician | Lakeway, TX | 2007 |
| Anne Olek, RN,MS,CFNP | 1538360300 | Family Nurse Practitioner | Rochester, NY | 2007 |
| Christopher Olek, RPH BCOP | 1417992355 | Pharmacist | Rochester, NY | 2006 |
| Courtney Olek | 1508598350 | Nurse Practitioner | Saint Paul, MN | 2022 |
| David Olek, M.D. | 1821431370 | Radiation Oncology Physician | Oklahoma City, OK | 2013 |
| Elizabeth Olek, D.O. | 1902034564 | Infectious Disease Physician | New Haven, CT | 2009 |
| Ellen Olek, FNP-BC | 1700309234 | Family Nurse Practitioner | Neenah, WI | 2017 |
| Jeffrey Olek, RPH | 1295114601 | Pharmacist | Kenmore, NY | 2015 |
| Jill Olek, M.D. | 1154632685 | Family Medicine Physician | Americus, GA | 2010 |
| Julia Olek | 1619806262 | Occupational Therapist | Carlisle, PA | 2026 |
| Michael Olek, DO | 1396705810 | Neurology Physician | Henderson, NV | 2006 |
| Shelby Olek, APNP | 1194454843 | Nurse Practitioner | Eau Claire, WI | 2022 |
| Tressa Olek, M.S., CCC-SLP | 1154943033 | Speech-Language Pathologist | Philadelphia, PA | 2020 |
| Anthony Oleka | 1407409790 | Occupational Therapy Assistant | Irvington, NJ | 2019 |
| Chimsom Oleka, M.D. | 1346537602 | Obstetrics & Gynecology Physician | Falls Church, VA | 2011 |
| Gold Oleka | 1033936562 | Counselor | Union, NJ | 2024 |
| Nyechi Oleka | 1356572861 | Rehabilitation Counselor | Louisville, KY | 2009 |
| Peter Oleka, PMHNP | 1841124286 | Psychiatric/Mental Health Nurse Practitioner | Union, NJ | 2026 |
| Uchenna Oleka | 1649675646 | Licensed Practical Nurse | Washington, DC | 2014 |
| Godwin Olekaibe | 1346534245 | Behavior Analyst | Las Vegas, NV | 2011 |
| Favour Olekanma | 1205415353 | Family Nurse Practitioner | San Bernardino, CA | 2021 |
| Gloria Olekanma | 1053028068 | Gerontology Nurse Practitioner | Riverside, CA | 2022 |
| Uchenna Olekanma, M.D. | 1356309421 | Internal Medicine Physician | Chicago, IL | 2006 |
| Gurjinder Olekh, MD | 1205512225 | Student in an Organized Health Care Education/Training Program | Gainesville, GA | 2023 |
| Darya Olekhnovich, FNP | 1497367817 | Family Nurse Practitioner | Somerville, NJ | 2020 |
| Breanne Oleksa, OTR | 1700956745 | Occupational Therapist | Morgantown, WV | 2006 |
| James Oleksa, MD | 1699711515 | Anesthesiology Physician | Greenville, NC | 2006 |
| Jerome Oleksa, D.D.S. | 1114050226 | General Practice Dentistry | Seneca Falls, NY | 2007 |
| Lindsey Oleksa, PMHNP-BC | 1447012943 | Psychiatric/Mental Health Nurse Practitioner | Seattle, WA | 2024 |
| Megan Oleksa, PTA | 1629633946 | Physical Therapy Assistant | Middletown, KY | 2019 |
| Robert Oleksa, LPTA | 1073884623 | Physical Therapy Assistant | North Canton, OH | 2012 |
| Sarah Oleksa, FNP | 1962012898 | Internal Medicine Physician | Canandaigua, NY | 2020 |
| Charlotte Oleksak | 1225344898 | Mental Health Counselor | Westfield, MA | 2010 |
| Katherine Oleksak, FNP | 1780058453 | Family Nurse Practitioner | Fort Myers, FL | 2015 |
| Katie Oleksak, M.AC. | 1790079507 | Acupuncturist | Newton, MA | 2011 |
| Kimberly Oleksak, MSCC, LPC | 1144616277 | Mental Health Counselor | Kenosha, WI | 2015 |
| Kyle Oleksak, APRN | 1194612267 | Adult Health Nurse Practitioner | Cleveland, OH | 2025 |
| Lisa Oleksak | 1851668883 | Physical Therapist | Arlington Heights, IL | 2011 |
| Lydia Oleksak | 1265179642 | Licensed Practical Nurse | Youngstown, OH | 2022 |
| Mackenzie Oleksak | 1184329773 | Student in an Organized Health Care Education/Training Program | Phoenix, AZ | 2023 |
| Marlene Oleksak, LGPC | 1215542709 | Professional Counselor | Cumberland, MD | 2020 |
| Matthew Oleksak | 1699424812 | Student in an Organized Health Care Education/Training Program | Greenwich, CT | 2022 |
| Michele Oleksak, M.D. | 1639361975 | Family Medicine Physician | Elderton, PA | 2007 |
| Nicole Oleksak, M.ED. | 1295090256 | Marriage & Family Therapist | Eugene, OR | 2012 |
| Sarah Oleksak, PT | 1881847515 | Physical Therapist | Berlin, MD | 2008 |
| William Oleksak, M.D. | 1023131307 | Internal Medicine Physician | Ford City, PA | 2007 |
| Amy Oleksiak, MA, CCC-SLP | 1124601992 | Speech-Language Pathologist | Geneva, IL | 2021 |
| Carol Oleksiak, LMSW, ACSW | 1942400908 | Clinical Social Worker | Southgate, MI | 2007 |
| Cassie Oleksiak, CPHT | 1740878065 | Pharmacy Technician | Martins Ferry, OH | 2021 |
| Dina Oleksiak, CRNP | 1881752434 | Nurse Practitioner | Philadelphia, PA | 2006 |
| Elise Oleksiak, OTR | 1205535051 | Occupational Therapist | Ewa Beach, HI | 2023 |
| Jill Oleksiak, M.A., CCC/SLP | 1598724627 | Speech-Language Pathologist | Medina, OH | 2006 |
| Katherine Oleksiak, LLMSW | 1508255969 | Clinical Social Worker | Inkster, MI | 2015 |
| Maggie Oleksiak, RDN, MS | 1053160333 | Registered Dietitian | Cleveland, OH | 2024 |
| Michael Oleksiak, M.D. | 1114367778 | Emergency Medicine Physician | Elgin, IL | 2013 |
| Michelle Oleksiak | 1609516715 | Behavior Technician | Farmington Hills, MI | 2022 |
| Mary Oleksiak Maher, SPECIAL EDUCATION MS | 1053158402 | Specialist | New Rochelle, NY | 2024 |
| Elaine Oleksick | 1417991266 | Nurse Practitioner | Cottage Grove, OR | 2006 |
| Chandra Oleksiewicz, M.D. | 1811107832 | Psychiatry Physician | Portland, OR | 2007 |
| Dianne Oleksiuk, C.R.N.P. | 1285688978 | Nurse Practitioner | Baltimore, MD | 2006 |
| Louise-Marie Oleksiuk, PHARMD | 1144036211 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Pittsburgh, PA | 2024 |
| Nadiya Oleksiv, O.D. | 1821448168 | Optometrist | Portsmouth, NH | 2016 |
| Oleg Oleksiyenko, RPH | 1770315046 | Pharmacist | Elk Grove, CA | 2024 |
| Terri Olekson | 1255077897 | Case Manager/Care Coordinator | Riverside, CA | 2022 |
| Volodymyr Oleksovskyi | 1952293565 | Behavior Technician | Hugo, MN | 2025 |
| Leslie Oleksowicz, M.D. | 1326006271 | Medical Oncology Physician | Cincinnati, OH | 2006 |
| Alexander Oleksy | 1487371944 | Pharmacist | University Heights, OH | 2022 |
| Amy Oleksy | 1740602606 | Clinical Social Worker | Bay City, MI | 2014 |
| Anthony Oleksy | 1073366175 | Anesthesiology Physician | Madison, WI | 2024 |
| Brian Oleksy, DDS, MD | 1003937871 | Oral and Maxillofacial Surgery (Dentist) | San Diego, CA | 2007 |
| Dominik Oleksy, P.T. | 1376598201 | Physical Therapist | Oak Park, MI | 2006 |
| Edward Oleksy, PH.D. | 1568807972 | Psychologist | Chowchilla, CA | 2013 |
| Gregory Oleksy, MD | 1134155393 | Family Medicine Physician | Kannapolis, NC | 2006 |
| Justin Oleksy, MS | 1598638157 | Mental Health Counselor | Pottstown, PA | 2025 |
| Madeline Oleksy, LAT | 1669603395 | Athletic Trainer | Marshfield, WI | 2009 |
| Magdalena Oleksy, ANP-BC | 1205139755 | Adult Health Nurse Practitioner | Sterling Hts, MI | 2010 |
| Matthew Oleksy, DPT | 1326251422 | Physical Therapist | Olathe, KS | 2007 |
| Roseann Oleksy | 1336444835 | Occupational Therapy Assistant | Depew, NY | 2011 |
| Michael Oleksyk, MD | 1437145000 | Internal Medicine Physician | Fort Myers, FL | 2005 |
| Suzette Oleksyk, CRNA | 1164405379 | Certified Registered Nurse Anesthetist | Pensacola, FL | 2005 |
| Virginia Oleksyk, LICSW | 1295866010 | Clinical Social Worker | Walpole, MA | 2007 |
| Andrew Oleksyn, D.O. | 1992732754 | Emergency Medicine Physician | Frankfort, IN | 2006 |
| Daria Oleksyn | 1225988470 | Behavior Technician | Edmond, OK | 2026 |
| Theresa Oleksyn, RD | 1508021650 | Registered Dietitian | Rochester, NY | 2008 |
| Peggy Oleksypeck, BEHAVIOR TECHNICIAN | 1568209286 | Behavior Technician | Gaylord, MI | 2024 |
| Anna Oleksyszyn | 1700419827 | Behavior Technician | Fullerton, CA | 2020 |
| Iryna Oleksyuk, PTA | 1699438580 | Physical Therapy Assistant | Piscataway, NJ | 2021 |
| Olena Oleksyuk | 1821839374 | Massage Therapist | Tomball, TX | 2024 |
| Valentyna Oleksyuk, NP | 1780163790 | Acute Care Nurse Practitioner | Le Roy, NY | 2018 |
| Veronika Oleksyuk, PA-C | 1215793898 | Hematology & Oncology Physician | Hershey, PA | 2024 |
| Cynthia Olekszyk, RD | 1073151973 | Registered Dietitian | Rochester Hills, MI | 2019 |
| Jacob Olekszyk | 1063395721 | Student in an Organized Health Care Education/Training Program | Terre Haute, IN | 2025 |
| Megan Olekszyk, PA-C | 1548804073 | Physician Assistant | Milford, DE | 2019 |
| Azuka Olele, DPM | 1992166532 | Podiatrist | Baltimore, MD | 2016 |
| Ifeanyi Olele, D.O | 1194132407 | Psychiatry Physician | Fairfax, VA | 2014 |
| Juliet Olele, OTR/L | 1700359973 | Occupational Therapist | Monroe, GA | 2019 |
| Ogorchukwu Olele | 1356874994 | Pediatric Dentistry | Presque Isle, ME | 2017 |
| Isioma Oleleh, OTR/L | 1619521648 | Occupational Therapist | Houston, TX | 2019 |
| Ginikachi Olelewe, DO | 1336074103 | Student in an Organized Health Care Education/Training Program | Tallahassee, FL | 2026 |
| Ogbonna Olelewe, NP-C | 1043751886 | Psychiatric/Mental Health Nurse Practitioner | Hawthorne, CA | 2017 |
| Precious Olelewe | 1386582013 | Registered Nurse | Bellflower, CA | 2026 |
| Sarah Olelewe, M.D. | 1689754665 | Geriatric Medicine (Internal Medicine) Physician | Hawthorne, CA | 2006 |
| Sunday Olelewe | 1124822093 | Licensed Vocational Nurse | Bellflower, CA | 2025 |
| David Olem | 1841356128 | Marriage & Family Therapist | San Francisco, CA | 2006 |
| Margaret Olem, MSSW, LICSW | 1578811477 | Clinical Social Worker | Quincy, MA | 2012 |
| Michele Olem, LADCI | 1356508022 | Addiction (Substance Use Disorder) Counselor | Hyannis, MA | 2008 |
| Christopher Oleman, CRM | 1043817166 | Peer Specialist | Siletz, OR | 2020 |
| Elizabeth Oleman | 1922645233 | Behavior Technician | Farmington Hills, MI | 2019 |
| Justyne Oleman | 1114803665 | Community Health Worker | Siletz, OR | 2025 |
| Sally Olembo | 1891579785 | Family Nurse Practitioner | Tampa, FL | 2023 |
| Stanley Olemgbe | 1164613089 | Adult Companion | Tigard, OR | 2007 |
| Julie Olemo | 1255817011 | Licensed Vocational Nurse | Dallas, TX | 2018 |
| Frances Olemoh | 1134693815 | Licensed Vocational Nurse | Houston, TX | 2019 |
| Katherine Olemun, CADC-R | 1952065112 | Counselor | Albany, OR | 2021 |
| Winnie Olemusa | 1346940996 | Family Nurse Practitioner | Jonesboro, GA | 2023 |
| Christine Olen, MPT | 1184142333 | Neurology Physical Therapist | Boise, ID | 2017 |
| Danielle Olen | 1548039860 | Behavior Technician | San Diego, CA | 2023 |
| Donna Olen, COTA/L | 1366684540 | Occupational Therapy Assistant | Fort Myers, FL | 2009 |
| Gary Olen, D.D.S., M.S | 1043303993 | Pediatric Dentistry | El Cajon, CA | 2006 |
| Jeffrey Olen | 1578019857 | Addiction (Substance Use Disorder) Counselor | Lorain, OH | 2016 |
| Jeremy Olen, D.M.D. | 1396175741 | General Practice Dentistry | Reading, PA | 2013 |
| Jessica Olen | 1669820205 | Emergency Medicine Physician | Mora, MN | 2016 |
| Linda Olen, RPH | 1689956336 | Pharmacist | Park Ridge, IL | 2011 |
| Mary Olen | 1437928199 | Professional Counselor | Midland, MI | 2023 |
| Melissa Olen, ARNP | 1629417001 | Family Nurse Practitioner | Miami, FL | 2013 |
| Nicholas Olen, D.O. | 1396482048 | Physical Medicine & Rehabilitation Physician | Royal Oak, MI | 2022 |
| Nicole Olen, RDN, CHC | 1003238387 | Registered Dietitian | Saint John, IN | 2014 |
| Rachel Olen | 1699146878 | Physical Therapist | Chicago, IL | 2015 |
| Rebecca Olen, PA-C | 1881419752 | Physician Assistant | Las Vegas, NV | 2024 |
| Richard Olen, MD | 1952319410 | Surgery Physician | Chicago, IL | 2006 |
| Thomas Olen, D.O. | 1669497723 | Anesthesiology Physician | Midland, MI | 2006 |
| Paula Olen-Mikrut, M.D. | 1023321627 | Pediatrics Physician | Phoenix, AZ | 2010 |
| Sarah Olen-Thomas | 1164310561 | Optometrist | Chicago, IL | 2025 |
| Aleesha Olena | 1245797141 | Physical Therapy Assistant | North Platte, NE | 2019 |
| Carissa Olena | 1912825183 | Rehabilitation Registered Nurse | Palmyra, NY | 2026 |
| Carrie Olena, HIS | 1487211660 | Hearing Instrument Specialist | Lititz, PA | 2019 |
| Cassidy Olena | 1336969245 | Case Manager/Care Coordinator | Clifton Springs, NY | 2024 |
| Christina Olena | 1225830953 | Adult Companion | Grand Island, NE | 2025 |
| Jacob Olenak, DO | 1780512699 | Student in an Organized Health Care Education/Training Program | Moreno Valley, CA | 2026 |
| Julie Olenak, PHARM.D. | 1508863598 | Pharmacist | Dallas, PA | 2005 |
| Fred Olenberger, P.A. | 1326374059 | Physician Assistant | Stillwater, OK | 2009 |
| Jordan Olenberger, OTR/L | 1568822096 | Occupational Therapist | Petaluma, CA | 2016 |
| Daniel Olenchak, DO | 1982784336 | Adult Reconstructive Orthopaedic Surgery Physician | Wyandotte, MI | 2006 |
| Morgan Olenchak, RN | 1538967526 | Registered Nurse | Durham, NC | 2025 |
| Steven Olenchak, PA | 1811072309 | Physician Assistant | Henderson, NV | 2006 |
| Elliot Olenchek, DPM | 1588293856 | Foot & Ankle Surgery Podiatrist | San Antonio, TX | 2020 |
| Emma Olenchek | 1700623337 | Occupational Therapist | Cudahy, WI | 2024 |
| Michael Olenchek, P.T. | 1972897544 | Physical Therapist | Oak Creek, WI | 2011 |
| Nicole Olenchek, PT | 1457549966 | Physical Therapist | Menomonee Falls, WI | 2007 |
| Benjamin Olenchock, M.D, PH.D. | 1821297755 | Cardiovascular Disease Physician | Boston, MA | 2007 |
| Stephen Olenchock, D.O. | 1003866781 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Fountain Hill, PA | 2006 |
| Anna Olenchuk | 1134805104 | Certified Registered Nurse Anesthetist | Greenville, SC | 2023 |
| Jennifer Olenchuk, RN BSN MMCP | 1497634117 | Medical-Surgical Registered Nurse | Jackson, CA | 2025 |
| Pamela Olenchuk, P.T. | 1558339416 | Physical Therapist | Columbia, SC | 2006 |
| Thomas Olencki, D.O. | 1710994280 | Medical Oncology Physician | Columbus, OH | 2006 |
| John Olenczak, MD | 1386637858 | Pain Medicine (Anesthesiology) Physician | Hagerstown, MD | 2005 |
| Jonathon Olenczak, MD | 1225395833 | Plastic Surgery within the Head & Neck (Otolaryngology) Physician | Houston, TX | 2012 |
| Chantal Olenczuk, OTR/L | 1508425885 | Occupational Therapist | Pasadena, CA | 2019 |
| Alexander Olender | 1730558446 | Certified Registered Nurse Anesthetist | Los Angeles, CA | 2015 |
| Christopher Olender, PHARMD | 1750744702 | Pharmacist | Centerbrook, CT | 2016 |
| Claudia Olender | 1316464704 | Physical Therapist | Roosevelt, NY | 2017 |
| Emily Olender | 1417543943 | Behavior Technician | Grand Rapids, MI | 2020 |
| Gail Olender, CRNA | 1629019963 | Certified Registered Nurse Anesthetist | Reno, NV | 2006 |
| Irving Olender, M.D. | 1356453054 | Gynecology Physician | Los Gatos, CA | 2006 |
| Jessica Olender, MA, CCC-SLP | 1669874244 | Speech-Language Pathologist | Amherst, NY | 2014 |
| Karen Olender, KAREN | 1467681379 | Marriage & Family Therapist | Santa Monica, CA | 2009 |
| Kathleen Olender, BS,DDS,MS,FICOI | 1750417887 | Endodontics | Las Vegas, NV | 2007 |
| Kattia Olender, MD | 1265479786 | Internal Medicine Physician | New York, NY | 2006 |
| Leslee Olender, P.T. | 1881651842 | Physical Therapist | Natick, MA | 2006 |
| Maria Olender, D.O. | 1437593936 | Hospice and Palliative Medicine (Family Medicine) Physician | Harrisburg, PA | 2013 |
| Mary Olender, M.D. | 1922199504 | Obstetrics & Gynecology Physician | West Hills, CA | 2006 |
| Pamela Olender | 1881493377 | Marriage & Family Therapist | Pasadena, CA | 2025 |
| Rosemary Olender, CCC MS SLP | 1417237199 | Speech-Language Pathologist | Syracuse, NY | 2011 |
| Shelby Olender, MD | 1831776012 | Psychiatry Physician | Lebanon, NH | 2021 |
| Susan Olender, M.D. | 1013025253 | Internal Medicine Physician | New York, NY | 2006 |
| Tracy Olender, LCPC | 1861591406 | Mental Health Counselor | Arlington Heights, IL | 2006 |
| Vanessa Olender, MSN, FNP-C | 1396459509 | Nurse Practitioner | Manahawkin, NJ | 2023 |
| Arthur Olenderek, PHARMACIST | 1548620917 | Pharmacist | Bensenville, IL | 2016 |
| Marta Olenderek, M.D. | 1730533837 | Psychiatry Physician | Orlando, FL | 2016 |
| Jennifer Olendi, APRN | 1225316383 | Psychiatric/Mental Health Nurse Practitioner | Lincoln, NE | 2011 |
| Eric Olendorf, DDS | 1518375054 | Oral and Maxillofacial Surgery (Dentist) | Mount Pleasant, SC | 2014 |
| Sarah Olendorf, PHARMD | 1255944872 | Pharmacist | Pikeville, TN | 2020 |
| Tara Olendorff, LCSW | 1386460194 | Social Worker | Chesterfield, MO | 2024 |
| Malwina Olendrowicz, NP | 1013693670 | Gastroenterology Physician | Yonkers, NY | 2023 |
| Barbara Olendzki, RD, MPH, LDN | 1548338015 | Registered Dietitian | Worcester, MA | 2006 |
| Nicholas Olendzki, PSY.D. | 1225587645 | Student in an Organized Health Care Education/Training Program | Worcester, MA | 2016 |
| Lee Olene, LICSW | 1326976101 | Clinical Social Worker | Bloomington, MN | 2026 |
| Kurynn Oleneack | 1356153928 | Behavior Technician | East Lansing, MI | 2025 |
| Christopher Olenec, MD | 1891968046 | Gastroenterology Physician | Annapolis, MD | 2008 |
| Hannah Olenec | 1538984059 | Speech-Language Pathologist | Lake Forest, IL | 2024 |
| Jaime Olenec, M.D. | 1093988552 | Allergy & Immunology Physician | Annapolis, MD | 2008 |
| Chris Olenech, DPM | 1225032196 | Foot & Ankle Surgery Podiatrist | Lincoln Park, MI | 2005 |
| Ann Oleneck | 1609401124 | Primary Care Nurse Practitioner | Apple Valley, CA | 2020 |
| Christopher Olenek, DO | 1932186558 | Family Medicine Physician | Vero Beach, FL | 2005 |
| Michelle Olenek, MSOT, OTR/L, BCP | 1508310004 | Occupational Therapist | Naperville, IL | 2016 |
| Sean Olenek | 1477232213 | Chiropractor | Winter Park, FL | 2023 |
| Shelby Olenek | 1093685885 | Behavior Technician | Darien, IL | 2025 |
| Timothy Olenek, D.O. | 1720073000 | Specialist | Tinley Park, IL | 2005 |
| Peter Olenen, M.D. | 1831322577 | Occupational Medicine Physician | Westtown, NY | 2009 |
| Michelle Olener, SLP | 1407095367 | Speech-Language Pathologist | White Plains, NY | 2009 |
| Nicolette Oleng, MD | 1104142520 | Internal Medicine Physician | Boston, MA | 2010 |
| Welo Olenga, CRNA | 1003028051 | Certified Registered Nurse Anesthetist | Charlotte, NC | 2007 |
| Ashlee Olenginski | 1194585919 | Student in an Organized Health Care Education/Training Program | Wynnewood, PA | 2024 |
| Barbara Olenginski, RN | 1023883253 | Home Health Registered Nurse | Seattle, WA | 2023 |
| Gregory Olenginski, MD | 1700409455 | Cardiovascular Disease Physician | Danville, PA | 2020 |
| Jan Olenginski, D.O. | 1225069156 | Surgery Physician | Philadelphia, PA | 2006 |
| Jon Olenginski, DO | 1033164215 | Internal Medicine Physician | Nanticoke, PA | 2006 |
| Jordan Olenginski, MD | 1447053665 | Student in an Organized Health Care Education/Training Program | Abington, PA | 2025 |
| Joseph Olenginski | 1134799349 | Certified Registered Nurse Anesthetist | Portland, OR | 2021 |
| Lawrence Olenginski, CRNA | 1255375358 | Certified Registered Nurse Anesthetist | Westminster, MD | 2006 |
| Michael Olenginski, DO | 1164271078 | Internal Medicine Physician | Easton, PA | 2024 |
| Michael Olenginski, D.O. | 1881624856 | Otolaryngology Physician | Kingston, PA | 2006 |
| Paul Olenginski, RPH | 1376817130 | Pharmacist | West Linn, OR | 2012 |
| Thomas Olenginski, M.D. | 1720041676 | Rheumatology Physician | Danville, PA | 2006 |
| Kenton Oleni | 1235921040 | Health Educator | Houston, TX | 2025 |
| Christine Oleniacz, MA, LPCC | 1265557284 | Professional Counselor | Mentor, OH | 2007 |
| Joseph Oleniacz, MD | 1376539114 | Pediatrics Physician | Chapel Hill, NC | 2005 |
| Kathleen Oleniacz, CRNA | 1417922113 | Certified Registered Nurse Anesthetist | Chapel Hill, NC | 2006 |
| Megan Oleniacz | 1447347232 | Physical Therapist | Vestal, NY | 2006 |
| Sharron Oleniacz, CRNA | 1720174600 | Certified Registered Nurse Anesthetist | Lebanon, MO | 2006 |
| Susan Oleniacz, PT | 1356510887 | Physical Therapist | Durham, NC | 2008 |
| Thomas Oleniacz, M.S.W. | 1588602205 | Clinical Social Worker | Los Angeles, CA | 2006 |
| Yolanda Oleniacz | 1205014685 | Marriage & Family Therapist | Pasadena, CA | 2008 |
| Krystyna Oleniacz-Miller | 1750853180 | Family Nurse Practitioner | Oak Lawn, IL | 2018 |
| Emily Olenic, CRNA | 1598730293 | Certified Registered Nurse Anesthetist | Pittsburgh, PA | 2006 |
| Gregory Olenic, M.D. | 1053399113 | Pain Medicine (Anesthesiology) Physician | Weirton, WV | 2006 |
| Kim Olenic, MSW, LCSW | 1144655440 | Clinical Social Worker | San Mateo, CA | 2013 |
| Kristen Olenic, PA-C | 1114957735 | Physician Assistant | Johnstown, CO | 2006 |
| Olivia Olenic | 1184104275 | Social Worker | Portland, OR | 2018 |
| Samantha Olenic, PA-C | 1396502449 | Physician Assistant | Beaver, PA | 2024 |
| Alexander Olenick, MSW | 1417587924 | Clinical Social Worker | Brooklyn, NY | 2020 |
| Brenda Olenick | 1487574448 | Homemaker | Canal Fulton, OH | 2026 |
| Cristyn Olenick, MOT OTR/L | 1467851642 | Occupational Therapist | Arden, NC | 2014 |
| Donna Olenick, L.AC. | 1205158342 | Acupuncturist | Nevada City, CA | 2010 |
| Gary Olenick, CRNA | 1184681512 | Certified Registered Nurse Anesthetist | Jupiter, FL | 2006 |
| Gina Olenick | 1114322401 | Acupuncturist | Crofton, MD | 2014 |
| Gregory Olenick, D.D.S. | 1275685224 | General Practice Dentistry | Wheaton, IL | 2007 |
| Hannah Olenick, PT, DPT | 1063068120 | Pediatric Physical Therapist | Houston, TX | 2019 |
| Jeffrey Olenick, MD | 1588754204 | Family Medicine Physician | Hillsboro, OR | 2006 |
| Jennifer Olenick, CPNP-AC | 1073085270 | Acute Care Nurse Practitioner | Houston, TX | 2018 |
| Jennifer Olenick, LPC | 1285036574 | Professional Counselor | Lytle, TX | 2014 |
| Jonathan Olenick, M.D. | 1831490200 | Ophthalmology Physician | San Bernardino, CA | 2010 |
| Kaleigh Olenick | 1679406748 | Registered Nurse | Port Jervis, NY | 2026 |
| Katherine Olenick | 1679048615 | Medical Physician Assistant | Allentown, PA | 2018 |
| Kelley Olenick, AU.D. | 1437222668 | Audiologist-Hearing Aid Fitter | Pocatello, ID | 2006 |
| Kerry Olenick, PA-C | 1326449869 | Medical Physician Assistant | San Antonio, TX | 2014 |
| Louis Olenick, ATP | 1508154402 | Other Technician | Austin, TX | 2011 |
| Madilynn Olenick | 1700709334 | Anesthesiologist Assistant | Fort Lauderdale, FL | 2026 |
| Mariel Olenick, LCSW | 1518793173 | Clinical Social Worker | Tarzana, CA | 2024 |
| Miriam Olenick | 1659852796 | Clinical Social Worker | Brooklyn, NY | 2018 |
| Morry Olenick, MD | 1265596308 | Plastic Surgery Physician | Thornton, CO | 2006 |
| Patricia Olenick, RNC, CNM, PHD | 1548433980 | Advanced Practice Midwife | Corpus Christi, TX | 2008 |
| Ryan Olenick, P.A. | 1407131956 | Physician Assistant | Allentown, PA | 2011 |
| Sarah Olenick, M.D., PH.D. | 1528019528 | Cytopathology Physician | Burlington, NC | 2006 |
| Scott Olenick, PH.D. | 1376948315 | Psychologist | Columbus, OH | 2014 |
| Stanley Olenick, MD | 1942342001 | Obstetrics & Gynecology Physician | Long Beach, CA | 2007 |
| Theodore Olenick, DO | 1396447025 | Pediatrics Physician | Mountain Home Afb, ID | 2023 |
| Cynthia Olenick-Duby, LMSW, ACSW | 1124454061 | Social Worker | Saginaw, MI | 2013 |
| Erin Oleniczak, M.S., OTR/L | 1811189335 | Occupational Therapist | Chicago, IL | 2007 |
| Maureen Oleniczak, M.S. | 1396147427 | Speech-Language Pathologist | Chicago, IL | 2014 |
| Scott Oleniczak | 1740496132 | Occupational Therapist | Green Bay, WI | 2007 |
| Alaina Olenik, PHARMD, BCACP, CPP | 1558553917 | Pharmacist | Monroe, NC | 2007 |
| Alexandra Olenik, MS, OTR/L | 1972082873 | Occupational Therapist | West Chester, PA | 2018 |
| Allison Olenik, OTD, OTR/L | 1639729809 | Occupational Therapist | Lorain, OH | 2019 |
| Donna Olenik, ARDMS | 1619110236 | Sonography Radiologic Technologist | Tuba City, AZ | 2009 |
| Jackie Olenik, COTA/L | 1952029225 | Occupational Therapy Assistant | Cody, WY | 2022 |
| Jennifer Olenik, MD | 1144649351 | Hospitalist Physician | Philadelphia, PA | 2014 |
| John Olenik, DC | 1083744528 | Chiropractor | Sagamore Hills, OH | 2007 |
| Joshua Olenik | 1194297960 | Social Worker | Seattle, WA | 2018 |
| Marcella Olenik, MSPT | 1427303312 | Physical Therapist | Huntingdon Valley, PA | 2012 |
| Michael Olenik, PHARMD | 1346522471 | Pharmacist | Saint John, IN | 2011 |
| Nicole Olenik, PHARMD | 1578946901 | Pharmacist | New Albany, IN | 2015 |
| Rebekah Olenik | 1205483567 | Pharmacist | Valparaiso, IN | 2019 |
| Sarah Olenik, LSW, MSW, LICDC | 1548705825 | Addiction (Substance Use Disorder) Counselor | Lodi, OH | 2016 |
| Shanna Olenik, DPT | 1891014379 | Orthopedic Physical Therapist | Beachwood, OH | 2010 |
| Stephanie Olenik, RN | 1902626021 | School Registered Nurse | Long Island City, NY | 2024 |
| Tiffani Olenik, LCSW | 1033616800 | Clinical Social Worker | Norwalk, CT | 2018 |
| Tracey Olenik | 1194196915 | Occupational Therapy Assistant | Conneautville, PA | 2015 |
| Lyubov Olenina, M.D. | 1699043687 | Endocrinology, Diabetes & Metabolism Physician | The Woodlands, TX | 2011 |
| Melissa Oleniuch | 1942561105 | Community Health Worker | Utica, NY | 2012 |
| Dawn Olenjack, DC | 1316946155 | Chiropractor | Saint Louis, MO | 2005 |
| Evgeny Olenko, M.D. | 1093891079 | Adult Medicine Physician | Forest Hills, NY | 2006 |
| Olga Olenko, D.D.S. | 1265517353 | General Practice Dentistry | Forest Hills, NY | 2006 |
| Katherine Olennikov | 1801554571 | Physical Therapist | Vancouver, WA | 2021 |
| Leanna Olennikov, OD | 1275885501 | Optometrist | Rutland, VT | 2012 |
| Brooke Olenowski, PA-C | 1861467565 | Physician Assistant | Hershey, PA | 2006 |
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).