Providers Mitchell Witkowski, DO to Olga Witrago
300 individual NPIs in the federal registry, part 23,807 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. 94 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Mitchell Witkowski, DO | 1235870536 | Student in an Organized Health Care Education/Training Program | Indianapolis, IN | 2022 |
| Monica Witkowski, RBT | 1760928667 | Behavior Technician | Cadillac, MI | 2017 |
| Paige Witkowski, DO | 1306595608 | Family Medicine Physician | State College, PA | 2022 |
| Patricia Witkowski, APN, FNP, PMHNP | 1174846695 | Psychiatric/Mental Health Nurse Practitioner | Manasquan, NJ | 2010 |
| Paulina Witkowski | 1508367459 | Physical Therapy Assistant | Phoenix, AZ | 2018 |
| Pearlanne Witkowski, MS CCC/SLP | 1659567279 | Speech-Language Pathologist | San Benito, TX | 2007 |
| Piotr Witkowski | 1104058023 | Transplant Surgery Physician | Chicago, IL | 2009 |
| Rachael Witkowski, LMHC | 1861909566 | Mental Health Counselor | Bellport, NY | 2018 |
| Rachel Witkowski | 1710141791 | Student in an Organized Health Care Education/Training Program | McKeesport, PA | 2008 |
| Rebecca Witkowski, LPC | 1114615283 | Professional Counselor | Littleton, CO | 2023 |
| Robbin Witkowski, CRNP, FNP-C | 1740731827 | Family Nurse Practitioner | Forest Hill, MD | 2016 |
| Robert Witkowski, M.D. | 1366575664 | Surgery Physician | Barrington, IL | 2007 |
| Robert Witkowski, LAC-C | 1578148854 | Addiction (Substance Use Disorder) Counselor | Helena, MT | 2021 |
| Roxene Witkowski, MS | 1255747721 | Behavior Analyst | Bethlehem, PA | 2014 |
| Ryan Witkowski | 1730688524 | Case Manager/Care Coordinator | Parma, OH | 2018 |
| Samantha Witkowski, RN | 1275498404 | Administrator Registered Nurse | Phoenix, AZ | 2025 |
| Sara Witkowski | 1922783562 | Mental Health Counselor | Wayne, PA | 2023 |
| Sarah Witkowski, CRNA | 1356324776 | Certified Registered Nurse Anesthetist | Austin, TX | 2005 |
| Shannon Witkowski, NP-C | 1477891208 | Family Nurse Practitioner | Woodbridge, NJ | 2013 |
| Steven Witkowski, D.D.S. | 1962542175 | General Practice Dentistry | Hershey, PA | 2007 |
| Susan Witkowski, RN | 1003351982 | Registered Nurse | Severn, MD | 2016 |
| Sylvia Witkowski | 1518689157 | Licensed Practical Nurse | Farmington Hills, MI | 2022 |
| Tadeusz Witkowski, MD | 1073744793 | Internal Medicine Physician | Astoria, NY | 2009 |
| Taryn Witkowski, LCSW | 1407276694 | Clinical Social Worker | Chula Vista, CA | 2014 |
| Taylor Witkowski, MS CCC-SLP | 1093474694 | Speech-Language Pathologist | Stevens, PA | 2021 |
| Teri Witkowski, P.T. | 1851344071 | Physical Therapist | Syracuse, NY | 2006 |
| Theresa Witkowski | 1649505322 | Mental Health Counselor | Portland, OR | 2009 |
| Thomas Witkowski, M.D. | 1124047022 | Anesthesiology Physician | Philadelphia, PA | 2006 |
| Tristen Witkowski, MS OTR/L | 1225902695 | Occupational Therapist | Plaistow, NH | 2025 |
| Walter Witkowski, PT | 1659597508 | Physical Therapist | Cadillac, MI | 2007 |
| Warren Witkowski, D.C. | 1437149101 | Chiropractor | New London, WI | 2005 |
| William Witkowski, DMD | 1790907772 | Dentist | Durham, CT | 2007 |
| Veronica Witkowski-Jones, MSW | 1972907020 | Social Worker | Longview, WA | 2014 |
| Tina Witkowski-Kirkpatrick, D.C. | 1629160288 | Chiropractor | Cleburne, TX | 2006 |
| Ellen Witkowsky, RN, CNS | 1851469316 | Clinical Nurse Specialist | Minneapolis, MN | 2006 |
| Lauren Witkowsky, RN | 1770452385 | Registered Nurse | Woodbine, NJ | 2025 |
| Lesia Witkowsky, PMHNP | 1992669915 | Psychiatric/Mental Health Registered Nurse | Anchorage, AK | 2025 |
| Olya Witkowsky, PHARMD | 1679091391 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Columbus, OH | 2017 |
| Roman Witkowsky, MD | 1679666051 | Anesthesiology Physician | Park Ridge, IL | 2006 |
| Amy Witkus, FNP | 1710355565 | Nurse Practitioner | Belleville, IL | 2015 |
| Eunice Witkus, PMHNP | 1639582448 | Psychiatric/Mental Health Nurse Practitioner | Rhinebeck, NY | 2014 |
| Kory Witkus | 1245604958 | Counselor | Ashland, KY | 2015 |
| Madelynn Witkus, OTR/L | 1760103956 | Occupational Therapist | Reading, PA | 2022 |
| Marika Witkus | 1508796350 | Physician Assistant | Jacksonville, FL | 2026 |
| Molly Witkus | 1205492840 | School Psychologist | Holyoke, MA | 2019 |
| Ashley Witlacil, SAC | 1821368754 | Addiction (Substance Use Disorder) Counselor | Menasha, WI | 2012 |
| Angelique Witlam, PT, DPT, ATP | 1144589813 | Physical Therapist | Monticello, IN | 2012 |
| Renee Witlen, MD | 1265757009 | Psychiatry Physician | Portland, ME | 2010 |
| Tara Witliff | 1962053553 | Attendant Care Provider | Raleigh, NC | 2019 |
| Andrea Witlin, DO | 1740900521 | Maternal & Fetal Medicine Physician | Wexford, PA | 2022 |
| Donelle Witlin | 1710368162 | Social Worker | Camarillo, CA | 2015 |
| McKenna Witlin, ATC | 1245083674 | Athletic Trainer | Fort Sam Houston, TX | 2024 |
| Richard Witlin, MD | 1063459212 | Ophthalmology Physician | East Brunswick, NJ | 2006 |
| Robin Witlin, MPT | 1164847174 | Physical Therapist | Herndon, VA | 2014 |
| Steven Witlin, M.D. | 1841340452 | Internal Medicine Physician | Culver City, CA | 2007 |
| Amanda Witlock | 1801456074 | Registered Nurse | Fargo, ND | 2019 |
| Amy Witman, M.D. | 1679670327 | Internal Medicine Physician | San Diego, CA | 2006 |
| Angie Witman, MA, LCP, LCMFT | 1295814358 | Professional Counselor | Goodland, KS | 2006 |
| Anne Witman | 1366929150 | Behavior Analyst | King Of Prussia, PA | 2018 |
| Barry Witman, MD | 1255349965 | Family Medicine Physician | Forest City, NC | 2006 |
| Benjamin Witman, MD | 1700646098 | Student in an Organized Health Care Education/Training Program | Charlottesville, VA | 2024 |
| Bradford Witman, PA-C | 1316198393 | Physician Assistant | Golden, CO | 2008 |
| Carolyn Witman, M.D. | 1174937262 | Anesthesiology Physician | Gainesville, FL | 2014 |
| Christina Witman | 1710731732 | Mental Health Counselor | Pittsburgh, PA | 2024 |
| Cynthia Witman, M.DIV., NBCC, QCDC1 | 1124265251 | Addiction (Substance Use Disorder) Counselor | Walla Walla, WA | 2009 |
| Danielle Witman, RPA-C | 1942318977 | Physician Assistant | New York, NY | 2006 |
| David Witman, PT | 1447343165 | Physical Therapist | Oakwood, GA | 2006 |
| Dulcie Witman, LADC | 1609837327 | Addiction (Substance Use Disorder) Counselor | Portland, ME | 2006 |
| Elizabeth Witman, M.S. SLP | 1215452370 | Speech-Language Pathologist | Macungie, PA | 2017 |
| Elizabeth Witman, M.D. | 1831117688 | Pediatrics Physician | Raleigh, NC | 2006 |
| Ford Witman | 1679105332 | Behavior Technician | Lakewood, CA | 2020 |
| Gretchen Witman, MSW | 1861586117 | Clinical Social Worker | Schuylkill Haven, PA | 2006 |
| James Witman, NMD | 1194806646 | Naturopath | Scottsdale, AZ | 2006 |
| Jane Witman, MD | 1629099239 | Emergency Medicine Physician | Green Bay, WI | 2006 |
| Jeffrey Witman, DPM | 1023071040 | Foot Surgery Podiatrist | Lancaster, PA | 2006 |
| Jennifer Witman | 1407455918 | Behavior Technician | Minersville, PA | 2020 |
| Jodi Witman, NP | 1710286141 | Nurse Practitioner | Buffalo, NY | 2011 |
| Jody Witman, MA MHP LMHC | 1578013710 | Mental Health Counselor | Longview, WA | 2016 |
| John Witman | 1033111448 | Family Medicine Physician | Harrisonburg, VA | 2005 |
| Julie Witman, LPC | 1285202929 | Professional Counselor | Reading, PA | 2021 |
| Laura Witman | 1407363831 | Clinical Social Worker | Boston, MA | 2018 |
| Lauren Witman, OTR/L | 1972059285 | Occupational Therapist | Placentia, CA | 2016 |
| Marjorie Witman, MN, ARNP | 1386728608 | Family Nurse Practitioner | Seattle, WA | 2006 |
| Matthew Witman, CRNA | 1760920581 | Certified Registered Nurse Anesthetist | Aurora, CO | 2017 |
| Megan Witman, BHS, MSPT | 1366709800 | Physical Therapist | Pottsville, PA | 2012 |
| Melanie Witman | 1881119410 | Mental Health Counselor | Boston, MA | 2017 |
| Michael Witman, MD | 1225054026 | Neonatal-Perinatal Medicine Physician | Poughkeepsie, NY | 2006 |
| Nancy Witman, FNP, MSN | 1689785172 | Primary Care Nurse Practitioner | Boise, ID | 2006 |
| Nicole Witman, M.S., FNP-BC | 1073848024 | Family Nurse Practitioner | Sayre, PA | 2009 |
| Nicole Witman, DO | 1447412408 | Psychiatry Physician | Camp Hill, PA | 2008 |
| Pamela Witman, M.ED., LCSW | 1770891517 | Clinical Social Worker | Orwigsburg, PA | 2010 |
| Patricia Witman, M.D. | 1457331084 | Pediatric Dermatology Physician | Columbus, OH | 2006 |
| Peter Witman, LMT | 1467032870 | Massage Therapist | Shoemakersville, PA | 2021 |
| Sandra Witman, APRN, NP | 1902971443 | Adult Psychiatric/Mental Health Registered Nurse | Moncks Corner, SC | 2006 |
| Sharon Witman, CRNA | 1548269129 | Certified Registered Nurse Anesthetist | Albany, NY | 2005 |
| Shelly Witman, SLP | 1821129347 | Speech-Language Pathologist | Mandeville, LA | 2007 |
| Tanya Witman, LAC, LMT | 1063241131 | Mental Health Counselor | Tucson, AZ | 2024 |
| Timothy Witman, PT | 1538480884 | Physical Therapist | Lancaster, PA | 2010 |
| Abigail Witmer, OD | 1760171524 | Optometrist | Columbus, OH | 2023 |
| Alex Witmer, PA | 1912550443 | Physician Assistant | West Chester, OH | 2019 |
| Alicia Witmer, D.C. | 1881687523 | Chiropractor | West Lawn, PA | 2005 |
| Allison Witmer | 1295305928 | Certified Registered Nurse Anesthetist | Vestavia, AL | 2021 |
| Alyson Witmer, LPC, LAMFT | 1598390643 | Mental Health Counselor | Ketchum, ID | 2020 |
| Amanda Witmer, LGSW | 1558848101 | Social Worker | Martinsburg, WV | 2018 |
| Amanda Witmer, PA-C | 1992533426 | Physician Assistant | Rockville, MD | 2024 |
| Amy Witmer, MOTR/L | 1083211270 | Occupational Therapist | Houlton, ME | 2020 |
| Amy Witmer, FNP | 1477109387 | Family Nurse Practitioner | Reinholds, PA | 2019 |
| Andrew Witmer, OTR | 1275027005 | Occupational Therapist | Madison, WI | 2018 |
| Annemarie Witmer, CRNP | 1164427902 | Nurse Practitioner | Huntsville, AL | 2005 |
| Bonnie Witmer, CSW | 1023193893 | Clinical Social Worker | Philadelphia, PA | 2006 |
| Brian Witmer | 1851723365 | Pharmacist | Whiteriver, AZ | 2013 |
| Brittney Witmer, PHARMD | 1699150722 | Pharmacist | Denver, CO | 2015 |
| Bruce Witmer, M.D. | 1548286255 | Specialist | Fresno, CA | 2006 |
| Bruce Witmer, M.D. | 1639150022 | Physical Medicine & Rehabilitation Physician | Reno, NV | 2005 |
| Cailey Witmer | 1750842365 | Occupational Therapist | Indianapolis, IN | 2019 |
| Caitlin Witmer | 1881531507 | Behavior Technician | Germantown, MD | 2026 |
| Carl Witmer, PHARMD | 1891390589 | Pharmacist | Mechanicsburg, PA | 2020 |
| Carol Witmer, LISW, MSW | 1376182436 | Clinical Social Worker | Iowa City, IA | 2020 |
| Caroline Witmer, PHARMD | 1295417665 | Pharmacist | Greenwood, SC | 2023 |
| Caroline Witmer, NP | 1457123440 | Adult Health Nurse Practitioner | Exton, PA | 2023 |
| Catherine Witmer, L.P.C. | 1215261763 | Professional Counselor | Aurora, CO | 2009 |
| Char Witmer, M.D. | 1093744641 | Pediatric Hematology & Oncology Physician | Philadelphia, PA | 2006 |
| Cheryl Witmer, MS, LLP, CBIS | 1558789206 | Psychologist | Ann Arbor, MI | 2014 |
| Christina Witmer, MS CCC-SLP | 1093697237 | Speech-Language Pathologist | Center Valley, PA | 2025 |
| Christina Witmer, LAPC | 1124869391 | Professional Counselor | Camp Hill, PA | 2024 |
| Christina Witmer, LCMHCA | 1588218416 | Mental Health Counselor | Greenville, NC | 2019 |
| Christopher Witmer, DC | 1508917634 | Chiropractor | Jersey Shore, PA | 2007 |
| Christopher Witmer, MPA | 1629130943 | Social Worker | Grand Rapids, MI | 2006 |
| Claire Witmer, M.D. | 1023437431 | Pediatric Gastroenterology Physician | Tripler Army Medical Center, HI | 2014 |
| Constance Witmer | 1902147747 | Occupational Therapist | Cary, NC | 2013 |
| Cory Witmer | 1538564786 | Mental Health Counselor | Logansport, IN | 2014 |
| Crystal Witmer, PSY.D. | 1639612799 | Psychologist | Allentown, PA | 2016 |
| Dana Witmer, MD | 1316652522 | Pediatrics Physician | Centreville, VA | 2023 |
| Daniel Witmer | 1356163091 | Driver | Akron, OH | 2024 |
| Daniel Witmer, M.D. | 1396005419 | Orthopaedic Surgery Physician | Farmington, CT | 2012 |
| Danielle Witmer, LPC | 1487446555 | Professional Counselor | Pittsburgh, PA | 2025 |
| Darla Witmer, ARNP | 1467470971 | Primary Care Nurse Practitioner | Williston, VT | 2006 |
| David Witmer, CRNA | 1558869875 | Certified Registered Nurse Anesthetist | Houston, TX | 2018 |
| David Witmer, M.D. | 1578590758 | Orthopaedic Surgery Physician | Charlottesville, VA | 2006 |
| Dennis Witmer, MD | 1477533677 | Specialist | Newark, DE | 2006 |
| Derrick Witmer, D.C. | 1013866219 | Chiropractor | Lafayette, TN | 2026 |
| Diane Witmer, LCSW | 1033771225 | Clinical Social Worker | East Islip, NY | 2019 |
| Donna Witmer | 1699375709 | Pharmacist | Roanoke, VA | 2020 |
| Donna Witmer, L.M.T. | 1992146492 | Massage Therapist | Hadley, MA | 2013 |
| E Witmer, MD | 1174699235 | Pediatrics Physician | Alliance, OH | 2006 |
| Elizabeth Witmer | 1831384890 | Psychologist | Brookline, MA | 2007 |
| Elvin Witmer, MD | 1356384382 | Family Medicine Physician | Depew, NY | 2006 |
| Eric Witmer, D.C. | 1992799712 | Chiropractor | West Lawn, PA | 2005 |
| Erin Witmer | 1215681416 | Speech-Language Pathologist | Charlotte, NC | 2022 |
| Erin Witmer, LCSW | 1629550462 | Clinical Social Worker | Pottsville, PA | 2018 |
| Esther Witmer | 1831320134 | Case Manager/Care Coordinator | Gilroy, CA | 2009 |
| Esther Witmer, LISW | 1841359734 | Mental Health Counselor | Bellefontaine, OH | 2006 |
| George Witmer, M.D. | 1659397610 | Internal Medicine Physician | Voorhees, NJ | 2006 |
| Gianna Witmer | 1831011717 | Student in an Organized Health Care Education/Training Program | West Lawn, PA | 2026 |
| Glenda Witmer | 1033588645 | Home Health Registered Nurse | Lancaster, PA | 2015 |
| Grant Witmer | 1104700137 | Student in an Organized Health Care Education/Training Program | Indianapolis, IN | 2025 |
| Heather Witmer | 1184014771 | Pharmacy Technician | Hagerstown, MD | 2015 |
| Hope Witmer, PHD | 1700924644 | Clinical Social Worker | Mt Gretna, PA | 2007 |
| Hunter Witmer, MD | 1205329760 | Surgery Physician | Chicago, IL | 2018 |
| Jaclyn Witmer, PSY.D. | 1528587078 | Clinical Psychologist | New York, NY | 2017 |
| Jacob Witmer, PA-C | 1548096076 | Physician Assistant | Mechanicsburg, PA | 2024 |
| Jacob Witmer | 1619473972 | Emergency Medicine Physician | Oklahoma City, OK | 2018 |
| Jade Witmer, ATC | 1558999250 | Athletic Trainer | Rock Hill, SC | 2020 |
| James Witmer, LCSW | 1982466447 | Clinical Social Worker | Los Angeles, CA | 2024 |
| Jamey Witmer, FNP | 1487992780 | Family Nurse Practitioner | Atwood, IL | 2013 |
| Jamie Witmer, LPC | 1750459848 | Professional Counselor | Tulsa, OK | 2006 |
| Jason Witmer, MD | 1033615893 | Psychiatry Physician | Houston, TX | 2018 |
| Jennifer Witmer, CNM | 1174111231 | Advanced Practice Midwife | Conyers, GA | 2021 |
| Jennifer Witmer, NP-C | 1760810741 | Adult Health Nurse Practitioner | Novi, MI | 2013 |
| Jessica Witmer | 1134855539 | Mental Health Counselor | Fort Wayne, IN | 2022 |
| Jessica Witmer, AT | 1902141708 | Athletic Trainer | Cincinnati, OH | 2012 |
| Jessica Witmer, FNP | 1962780429 | Primary Care Nurse Practitioner | Orrville, OH | 2011 |
| Jodi Witmer, PMHNP | 1528828100 | Psychiatric/Mental Health Nurse Practitioner | Reno, NV | 2024 |
| John Witmer, LCSW-C | 1548341753 | Clinical Social Worker | Frederick, MD | 2006 |
| Julie Witmer | 1508795105 | Speech-Language Pathologist | Baraboo, WI | 2026 |
| Kaitlin Witmer, LPC | 1295135739 | Mental Health Counselor | Fredericksburg, VA | 2014 |
| Kaitlyn Witmer | 1437847332 | Occupational Therapist | West Chester, PA | 2023 |
| Kara Witmer, NP | 1689208597 | Family Nurse Practitioner | Fremont, MI | 2020 |
| Kara Witmer, CRNA | 1912340308 | Certified Registered Nurse Anesthetist | Harrisburg, PA | 2013 |
| Katherine Witmer, OTR/L | 1235563560 | Occupational Therapist | Lancaster, PA | 2013 |
| Kathleen Witmer | 1063304723 | Social Worker | Buffalo, NY | 2025 |
| Kathleen Witmer, ARNP | 1457415499 | Nurse Practitioner | Seattle, WA | 2006 |
| Katie Witmer | 1811881428 | Home Health Aide | Parkersburg, WV | 2025 |
| Kenneth Witmer, M.D. | 1518385327 | Urology Physician | Washington, DC | 2014 |
| Kimberly Witmer, RD/LDN | 1427908979 | Registered Dietitian | Austin, TX | 2026 |
| Lacy Witmer | 1316752108 | Behavior Technician | Elkhart, IN | 2025 |
| Lauren Witmer, DO | 1295981116 | Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician | Lancaster, PA | 2008 |
| Lauren Witmer, LMT | 1508295932 | Massage Therapist | Patchogue, NY | 2013 |
| Lauren Witmer, PT | 1508471715 | Pediatric Physical Therapist | Cypress, CA | 2020 |
| Lawrence Witmer, DO | 1639130768 | Family Medicine Physician | Solon, OH | 2006 |
| Leann Witmer, LPC-S | 1184073587 | Mental Health Counselor | Webster, TX | 2016 |
| Leann Witmer, PTA | 1407181357 | Physical Therapy Assistant | Landisville, PA | 2009 |
| Leticia Witmer, CNA | 1871714436 | Personal Care Attendant | Hot Springs, AR | 2007 |
| Linda Witmer | 1720220189 | Licensed Practical Nurse | Plymouth Meeting, PA | 2009 |
| Lisa Witmer, LCSW | 1225216104 | Clinical Social Worker | Pittsburgh, PA | 2008 |
| Lisa Witmer, MD | 1891498069 | Internal Medicine Physician | Hershey, PA | 2023 |
| Liza Witmer, LMSW | 1134967722 | Social Worker | New York, NY | 2024 |
| Londyn Witmer, DC | 1750104535 | Chiropractor | Lakeville, MN | 2024 |
| Lori Witmer, APRN/BC, FNP | 1659307247 | Family Nurse Practitioner | Memphis, TN | 2006 |
| Lucas Witmer, DPT | 1689117046 | Physical Therapist | Estero, FL | 2016 |
| Lyndsey Witmer, MA, LPC | 1922441922 | Professional Counselor | Center Valley, PA | 2013 |
| Macey Witmer | 1275040149 | Behavior Technician | Lawrence, KS | 2018 |
| Magen Witmer | 1689564809 | Acute Care Nurse Practitioner | Bensalem, PA | 2025 |
| Mary Witmer, BSN | 1093544645 | School Registered Nurse | Kingman, AZ | 2024 |
| Mary Witmer | 1992912448 | Occupational Therapist | Shoreline, WA | 2007 |
| Matthew Witmer, MD | 1235321167 | Retina Specialist (Ophthalmology) Physician | Rochester, NY | 2007 |
| Michael Witmer, MAT, LAT, ATC, CPT | 1073088639 | Athletic Trainer | Tucker, GA | 2018 |
| Michael Witmer, LCSW | 1861804734 | Clinical Social Worker | Hershey, PA | 2014 |
| Monica Witmer, CASE MANAGER | 1417613811 | Case Manager/Care Coordinator | Minot, ND | 2021 |
| Nathaniel Witmer, D.P.M. | 1497172712 | Podiatrist | Valencia, CA | 2014 |
| Olivia Witmer, M.S. CCC/SLP | 1881024032 | Speech-Language Pathologist | Lancaster, PA | 2013 |
| Ondreya Witmer | 1619001542 | Case Manager/Care Coordinator | Fort Wayne, IN | 2007 |
| Patricia Witmer | 1558804880 | Nurse Practitioner | Tulsa, OK | 2016 |
| Phillip Witmer, PHARMD | 1043656382 | Pharmacist | Roanoke, VA | 2013 |
| Rachel Witmer, D.P. T. | 1457539413 | Physical Therapist | Cedar Rapids, IA | 2008 |
| Rachel Witmer, PA-C | 1760873020 | Physician Assistant | Norman, OK | 2015 |
| Ralph Witmer, PHARM.D. | 1386913804 | Pharmacist | Mesa, AZ | 2011 |
| Rebecca Witmer, LCSW | 1437491099 | Social Worker | Philadelphia, PA | 2013 |
| Richard Witmer, DDS | 1841330883 | General Practice Dentistry | Vista, CA | 2007 |
| Ronald Witmer, LMT | 1336444942 | Massage Therapist | Celebration, FL | 2011 |
| Sally Witmer, LCSW | 1093550865 | Clinical Social Worker | Bonita, CA | 2024 |
| Samuel Witmer | 1033054481 | Case Manager/Care Coordinator | Fremont, OH | 2026 |
| Sandra Witmer | 1235507161 | Psychiatric/Mental Health Clinical Nurse Specialist | Rochester, NY | 2015 |
| Seth Witmer | 1821570706 | Physical Therapist | Lancaster, PA | 2018 |
| Sheena Witmer, APRN-PMHNP-BC | 1942830393 | Psychiatric/Mental Health Nurse Practitioner | Dublin, OH | 2020 |
| Shelby Witmer | 1174362164 | Certified Registered Nurse Anesthetist | New York, NY | 2024 |
| Sonya Witmer | 1124903067 | Student in an Organized Health Care Education/Training Program | Chaska, MN | 2025 |
| Steven Witmer, LPCC | 1720461668 | Professional Counselor | Chanhassen, MN | 2015 |
| Tammy Witmer, CNM | 1942532148 | Advanced Practice Midwife | Reading, PA | 2010 |
| Teresa Witmer, LCSW | 1336159243 | Clinical Social Worker | Roanoke, VA | 2006 |
| Thomas Witmer, M.D. | 1720014285 | Internal Medicine Physician | Rochester, NY | 2006 |
| Todd Witmer, DMIN | 1447248893 | Counselor | York, PA | 2005 |
| Trisha Witmer, M.A. LMFT | 1144383894 | Mental Health Counselor | St Louis Park, MN | 2006 |
| Tunya Witmer, CRNP | 1104685171 | Family Nurse Practitioner | Waynesboro, PA | 2024 |
| Tyler Witmer, PA-C | 1831460922 | Physician Assistant | Cedar Falls, IA | 2012 |
| Vicki Witmer, N.P. | 1497734149 | Family Nurse Practitioner | Wellington, CO | 2006 |
| Wendy Witmer, MSW | 1447360912 | Clinical Social Worker | Wilmington, DE | 2006 |
| William Witmer, MD | 1033130653 | Interventional Cardiology Physician | Green Bay, WI | 2006 |
| William Witmer | 1992326847 | Adult Companion | Portland, OR | 2020 |
| Robin Witmer-Kline, LPC | 1235136664 | Professional Counselor | Chambersburg, PA | 2005 |
| Amelia Witmer-Rich | 1114819208 | Student in an Organized Health Care Education/Training Program | Indianapolis, IN | 2025 |
| Casey Witmeyer, D.O. | 1518609445 | Surgery Physician | Harrisburg, PA | 2022 |
| Katherine Witmeyer, O.D. | 1063499176 | Optometrist | Rancho Santa Fe, CA | 2005 |
| Rachel Witmon, DC | 1548090962 | Chiropractor | Louisville, KY | 2024 |
| Tiffani Witmon | 1366836082 | Physician Assistant | Berlin, NH | 2015 |
| Chloe Witmondt | 1194405118 | Behavior Technician | San Diego, CA | 2023 |
| Jennifer Witmondt, APCC | 1578389516 | Professional Counselor | Escondido, CA | 2024 |
| Alisha Witmore, PTA | 1538335534 | Physical Therapy Assistant | North Myrtle Beach, SC | 2008 |
| Jacquelynn Witnauer, APRN | 1285096321 | Family Nurse Practitioner | Lake Mary, FL | 2016 |
| Mary Witnauer, RD, LD | 1851119457 | Registered Dietitian | Columbus, OH | 2024 |
| Nancy Witnauer-Smith, L.C.S.W. | 1659483626 | Clinical Social Worker | Long Beach, CA | 2006 |
| Gabrielle Witner, ATC | 1326438458 | Athletic Trainer | Pearl City, HI | 2015 |
| Kaelyn Witner, RD | 1083281166 | Registered Dietitian | Bridgeton, MO | 2021 |
| Michelle Witner | 1467954818 | Case Manager/Care Coordinator | Kent, OH | 2018 |
| Rachel Witner | 1063841450 | Physical Therapist | Hazle Township, PA | 2013 |
| Samantha Witner, CRNP | 1457836447 | Nurse Practitioner | Lock Haven, PA | 2018 |
| Brittany Witness | 1528873718 | Marriage & Family Therapist | Seattle, WA | 2025 |
| Barbara Witney, M.A. | 1528278256 | Marriage & Family Therapist | Los Gatos, CA | 2007 |
| Ronald Witney, SSW | 1184899155 | Case Manager/Care Coordinator | Provo, UT | 2008 |
| Susan Witney | 1245837830 | Massage Therapist | Reno, NV | 2020 |
| Stanley Witnov, PH.D. | 1164578498 | Psychologist | Santa Barbara, CA | 2007 |
| Jill Witofsky | 1457998577 | Addiction (Substance Use Disorder) Counselor | Morehead City, NC | 2019 |
| Thomas Witomski, MD | 1467447458 | Diagnostic Radiology Physician | Neptune, NJ | 2005 |
| Danielle Witon, SAC | 1639525421 | Addiction (Substance Use Disorder) Counselor | Appleton, WI | 2016 |
| Chloe Witonsky | 1912736471 | Counselor | Bellevue, WA | 2024 |
| Irving Witonsky, DMD | 1366697146 | Dentist | Houtzdale, PA | 2008 |
| Jason Witonsky, DMD | 1396840575 | General Practice Dentistry | Louisville, KY | 2006 |
| Jonathan Witonsky, M.D. | 1679005813 | Pediatric Allergy/Immunology Physician | San Francisco, CA | 2017 |
| Louis Witonsky, MD | 1497709620 | Internal Medicine Physician | Boca Raton, FL | 2006 |
| Mitchell Witonsky | 1790102820 | Pharmacist | New Hartford, NY | 2014 |
| Ron Witonsky | 1457752982 | Social Worker | Brooklyn, NY | 2014 |
| Kathleen Witoski, RN | 1093861486 | Counselor | Quincy, MA | 2007 |
| Daniel Witosky, SWT | 1063137602 | Clinical Social Worker | Cleveland, OH | 2022 |
| John Witosky, M.S. | 1881904431 | Addiction (Substance Use Disorder) Counselor | Tahlequah, OK | 2010 |
| Gary Witover, PA-C | 1982898532 | Physician Assistant | Truckee, CA | 2007 |
| Viktoria Witowic, DPT | 1093162026 | Physical Therapist | Seminole, FL | 2016 |
| Elizabeth Witowich | 1598553075 | Mental Health Counselor | Allen, TX | 2025 |
| Gretchen Witowich, MS, RD, LDN | 1275776403 | Registered Dietitian | Beloit, WI | 2009 |
| Kristoffer Witowich | 1215893359 | Behavior Analyst | La Mirada, CA | 2026 |
| Shelby Witowicz | 1649034034 | Behavior Technician | Elgin, IL | 2024 |
| Barbara Witowska, MS PAC | 1013034230 | Medical Physician Assistant | Rancho Santa Margarita, CA | 2007 |
| Julia Witowska, MD | 1639744014 | Internal Medicine Physician | Cleveland, OH | 2021 |
| Erin Witowski, LICSW | 1700353786 | Clinical Social Worker | Philadelphia, PA | 2018 |
| Frank Witowski | 1306258629 | Case Manager/Care Coordinator | Jonesboro, AR | 2014 |
| Giovanna Witowski, RPH, CDM | 1023130044 | Pharmacist | Shrewsbury, MA | 2007 |
| Kaley Witowski, LCSW | 1154993038 | Clinical Social Worker | Chicago, IL | 2021 |
| Katarzyna Witowski, FNP | 1184103194 | Family Nurse Practitioner | Homer Glen, IL | 2018 |
| Megan Witowski, CNM, PMHNP | 1093351413 | Psychiatric/Mental Health Nurse Practitioner | Urbana, IL | 2019 |
| Nicole Witowski, APRN, CPNP | 1558878363 | Pediatric Nurse Practitioner | Minneapolis, MN | 2018 |
| Rachel Witowski, PA-C | 1306383930 | Physician Assistant | Portland, OR | 2017 |
| Rebecca Witowski, MS | 1962060129 | Professional Counselor | Beaverton, OR | 2019 |
| Sarah Witowski, PA | 1750766416 | Medical Physician Assistant | Aurora, CO | 2015 |
| Walter Witowski, DPM | 1538171210 | Podiatrist | Little Ferry, NJ | 2006 |
| Judith Witowski-Argentine, MA, CCC-SLP | 1689287120 | Speech-Language Pathologist | Durham, NC | 2020 |
| Cayla Witrado, PA-C | 1790300721 | Physician Assistant | Fresno, CA | 2020 |
| Rolando Witrado, P.T. | 1275734550 | Physical Therapist | Sanger, CA | 2007 |
| Alexandra Witrago | 1972440162 | Student in an Organized Health Care Education/Training Program | Sacramento, CA | 2026 |
| Evelyn Witrago | 1629679055 | Behavior Technician | Riverside, CA | 2020 |
| Kaylee Witrago, MA, BCBA | 1265933782 | Behavior Analyst | Fresno, CA | 2018 |
| Olga Witrago | 1033667662 | Case Manager/Care Coordinator | Los Angeles, CA | 2016 |
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).