Providers Jacob Groesbeck, PT, DPT to Stephen Groff, M.D.
300 individual NPIs in the federal registry, part 8,372 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 |
|---|---|---|---|---|
| Jacob Groesbeck, PT, DPT | 1396550786 | Physical Therapist | Twin Falls, ID | 2025 |
| Jake Groesbeck, LMT | 1083378194 | Massage Therapist | Kaysville, UT | 2021 |
| Jeffery Groesbeck, D.O. | 1063642155 | Family Medicine Physician | Front Royal, VA | 2009 |
| John Groesbeck, RPH | 1841218922 | Pharmacist | Streator, IL | 2006 |
| Leona Groesbeck | 1538598164 | Dental Hygienist | Ferndale, WA | 2013 |
| Marcie Groesbeck, M.D. | 1326055104 | Family Medicine Physician | Fairlawn, OH | 2006 |
| Mary Jeanne Groesbeck, DNSC, ARNP, CS | 1275628760 | Psychiatric/Mental Health Nurse Practitioner | Boca Raton, FL | 2006 |
| McKenna Groesbeck | 1639807787 | Speech-Language Pathologist | Las Vegas, NV | 2022 |
| Patricia Groesbeck, PT | 1457984387 | Physical Therapist | Westlake Village, CA | 2020 |
| Paul Groesbeck, AU.D. | 1992259725 | Audiologist | Las Vegas, NV | 2016 |
| Philip Groesbeck, MD | 1144315698 | Anesthesiology Physician | Provo, UT | 2006 |
| Richard Groesbeck, PH.D. | 1538212220 | Counseling Psychologist | Bellingham, WA | 2007 |
| Robert Groesbeck, D.D.S. | 1851453997 | Orthodontics and Dentofacial Orthopedics Dentistry | Surprise, AZ | 2006 |
| Sandra Groesbeck | 1518429455 | Case Manager/Care Coordinator | Portland, OR | 2019 |
| Tayzia Groesbeck | 1366328270 | Behavior Technician | West Jordan, UT | 2025 |
| Todd Groesbeck, D.M.D | 1780939348 | General Practice Dentistry | Provo, UT | 2012 |
| Victoria Groesbeck | 1588218507 | Counselor | Syracuse, NY | 2019 |
| Janice Groesbeck Goldfarb, PSY.D. | 1407097959 | Clinical Psychologist | San Diego, CA | 2009 |
| Savannah Groesbeeck-Sena | 1245104488 | Acute Care Nurse Practitioner | Fort Worth, TX | 2025 |
| Charles Groesch, DDS | 1366520736 | Orthodontics and Dentofacial Orthopedics Dentistry | Springfield, IL | 2006 |
| David Groesch, AUD | 1730149196 | Audiologist | Springfield, IL | 2006 |
| Michael Groesch | 1790265239 | Physical Therapist | Mayfield Hts, OH | 2018 |
| Sara Groesch, PHD | 1255440368 | Clinical Psychologist | Concord, NH | 2006 |
| Scott Groesch, MD | 1538107404 | Internal Medicine Physician | Saint Louis, MO | 2006 |
| Stephanie Groesch | 1922696400 | Family Nurse Practitioner | Cleveland, OH | 2021 |
| Ana Groeschel, M.D. | 1417951435 | Neurology Physician | Blaine, MN | 2005 |
| Andrew Groeschel | 1902083470 | Marriage & Family Therapist | Redmond, WA | 2008 |
| Anna Groeschel | 1831966647 | Counselor | Everett, WA | 2023 |
| Brian Groeschel, LPC, CSAC | 1649404039 | Professional Counselor | Milwaukee, WI | 2009 |
| Grace Groeschel | 1407701600 | Medical Physician Assistant | Milwaukee, WI | 2026 |
| Lindsay Groeschel, SLPA | 1740780626 | Speech-Language Assistant | Orange, CA | 2018 |
| Lynn Groeschel, MSW | 1225060957 | Clinical Social Worker | Portage, WI | 2006 |
| Michael Groeschel, PA | 1881642445 | Physician Assistant | Milwaukee, WI | 2006 |
| Sarah Groeschel, MS, LPC-IT | 1841082716 | Professional Counselor | Fitchburg, WI | 2025 |
| Tara Groeschel, COTA/L | 1780122523 | Occupational Therapy Assistant | North Canton, OH | 2017 |
| Tina Groeschel, APSW | 1407528185 | Clinical Social Worker | Menasha, WI | 2021 |
| Charles Groeschell, M.D. | 1760894976 | Internal Medicine Physician | Memphis, TN | 2014 |
| Kathleen Groeschell, FNP-C | 1881360865 | Family Nurse Practitioner | Memphis, TN | 2021 |
| Heather Groeschen, PHARM.D. | 1104152784 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Fort George G Meade, MD | 2009 |
| Michael Groeschen, MD | 1366137796 | Hospitalist Physician | Cincinnati, OH | 2023 |
| Anita Groeschke, CNP | 1881675049 | Nurse Practitioner | Olmsted Falls, OH | 2005 |
| Cassie Groeschl, RD | 1316895626 | Registered Dietitian | Green Bay, WI | 2026 |
| Nicole Groeschl, MD | 1770840985 | Family Medicine Physician | Pine Island, MN | 2012 |
| Ross Groeschl, DPM | 1114503042 | Podiatrist | Minocqua, WI | 2021 |
| Ryan Groeschl, M.D. | 1336315605 | Surgery Physician | Duluth, MN | 2008 |
| Theresa Groeschl | 1932027257 | Physical Rehabilitation Occupational Therapist | Hayward, WI | 2026 |
| Winter Groeschl, LPC | 1609474253 | Mental Health Counselor | Phoenix, AZ | 2020 |
| Kelley Groese | 1770188633 | Pharmacist | Titusville, PA | 2020 |
| Kathleen Groessbrink, LCSW | 1952469223 | Social Worker | West Caldwell, NJ | 2006 |
| Martha Groesschell, PSY.D. | 1558534982 | Clinical Child & Adolescent Psychologist | Edmonds, WA | 2008 |
| Allison Groesser, CPNP | 1609353648 | Pediatric Nurse Practitioner | Raleigh, NC | 2018 |
| Nicholas Groesser, DPM | 1649023961 | Student in an Organized Health Care Education/Training Program | Phoenix, AZ | 2024 |
| Regina Groesser, NP | 1871995563 | Pediatric Nurse Practitioner | Zebulon, NC | 2014 |
| Tracy Groesser, M.S. | 1366511651 | Marriage & Family Therapist | Glen Ellyn, IL | 2006 |
| Michael Groessinger, PHARMD | 1740628551 | Pharmacist | Nampa, ID | 2013 |
| Amy Groessl, PHD, LCSW | 1649480856 | Clinical Social Worker | Chicago, IL | 2007 |
| Bonnie Groessl, MSN | 1528170982 | Pain Management Registered Nurse | Green Bay, WI | 2006 |
| Grace Groessl | 1740859537 | Speech-Language Pathologist | Grand Rapids, MI | 2021 |
| Heidi Groessl, PAC | 1417086026 | Physician Assistant | Downey, CA | 2007 |
| Kristin Groessl, PA-C | 1093797250 | Surgical Physician Assistant | Silverdale, WA | 2005 |
| Patricia Groessl, EDD | 1396811048 | Clinical Psychologist | Muskegon, MI | 2006 |
| Sarah Groessl, MD | 1841231669 | Ophthalmology Physician | Madison, WI | 2006 |
| Margit Groessler, NP-C | 1013169960 | Family Nurse Practitioner | Saint Ignatius, MT | 2008 |
| Lisa Groesz, PH.D. | 1679846018 | Clinical Psychologist | San Francisco, CA | 2012 |
| Marion Groetch, MS RD CDN | 1649439795 | Registered Dietitian | New York, NY | 2008 |
| Erin Groeteke, LPC | 1730936113 | Professional Counselor | Houston, TX | 2024 |
| Olivia Groeteke | 1275291916 | Mental Health Counselor | Lincoln, NE | 2021 |
| Emma Groethe, CNP, MSN | 1376628636 | Family Nurse Practitioner | Northfield, OH | 2006 |
| Jeannine Groethe | 1366202632 | Personal Care Attendant | Las Vegas, NV | 2024 |
| Wilma Groethe | 1215044748 | Family Nurse Practitioner | Pittsburgh, PA | 2006 |
| Ainsley Groetken | 1558158873 | Student in an Organized Health Care Education/Training Program | Edinburg, TX | 2025 |
| Cj Groetken, RPH | 1962008805 | Pharmacist | Normal, IL | 2020 |
| Elizabeth Groetken, OD | 1760436802 | Optometrist | Le Mars, IA | 2006 |
| Jessica Groetken | 1982136677 | Case Manager/Care Coordinator | Tulsa, OK | 2017 |
| Paige Groetken, OT | 1174118988 | Occupational Therapist | Lincoln, NE | 2021 |
| Robert Groetken, PMHNP | 1992463376 | Psychiatric/Mental Health Nurse Practitioner | University Place, WA | 2021 |
| Ryan Groetken, LMHC | 1154395846 | Mental Health Counselor | Sioux City, IA | 2006 |
| Ryan Groetken | 1780104505 | Counselor | Tulsa, OK | 2017 |
| Christopher Groetsch | 1851235642 | Internal Medicine Physician | Allentown, PA | 2026 |
| Holly Groetsch, DPT | 1639522360 | Physical Therapist | Saint Cloud, MN | 2016 |
| Jonathan Groetsch, B.A. | 1659597367 | Counselor | Oakland, CA | 2007 |
| Joshua Groetsch, MD | 1669497590 | Ophthalmology Physician | Metairie, LA | 2006 |
| Michael Groetsch, M.D. | 1427745439 | Student in an Organized Health Care Education/Training Program | Paramus, NJ | 2023 |
| Nellene Groetsch, LPC, NCC | 1194989897 | Mental Health Counselor | Frisco, NC | 2008 |
| Ricky Groetsch, OD | 1366456014 | Optometrist | Melrose, MN | 2006 |
| Stefan Groetsch, MD | 1679543268 | Family Medicine Physician | Silverdale, WA | 2006 |
| Susan Groetsch | 1083004774 | Pharmacy Technician | Bolingbrook, IL | 2015 |
| Adrianna Groetsema, MSW | 1316593643 | Counselor | Denver, CO | 2019 |
| Carly Groetsema, RD, LDN | 1700060910 | Registered Dietitian | Western Springs, IL | 2007 |
| Gregory Groetsema, MD | 1790727873 | Emergency Medicine Physician | San Jose, CA | 2006 |
| Jaime Groetsema, PHARM. D | 1235407578 | Pharmacist | Oak Lawn, IL | 2011 |
| Garth Groettum | 1518247410 | Mental Health Counselor | Bellingham, WA | 2011 |
| Tarah Groettum, MSED, LPCC | 1417699901 | Professional Counselor | Eagan, MN | 2022 |
| Heather Groetz, AUDIOLOGIST | 1790957967 | Audiologist | Akron, OH | 2008 |
| Renee Groetz, MD | 1407496755 | Family Medicine Physician | Syracuse, NY | 2020 |
| William Groetz, D.C. | 1871600684 | Chiropractor | Chittenango, NY | 2006 |
| Heather Groetzenbach, SLP | 1598288946 | Speech-Language Pathologist | Oswego, IL | 2017 |
| Danielle Groetzinger, LMHC | 1760917769 | Mental Health Counselor | Santa Fe, NM | 2017 |
| Donald Groetzinger, O.D. | 1497846729 | Optometrist | Jenkintown, PA | 2006 |
| Joanne Groetzinger, MA | 1821128836 | Mental Health Counselor | Concord, NH | 2007 |
| Michele Groetzinger, FNP | 1255770970 | Family Nurse Practitioner | Aurora, CO | 2013 |
| Rachael Groetzinger | 1003787318 | Behavior Technician | Covina, CA | 2025 |
| Sandra Groetzinger, MS | 1053563452 | Addiction (Substance Use Disorder) Counselor | Manchester, NH | 2008 |
| Rebecca Groewa | 1417787011 | Behavior Technician | Monrovia, CA | 2024 |
| Jill Groezinger, LCPC | 1710058169 | Professional Counselor | Lisle, IL | 2006 |
| Katherine Groezinger, OTD, OTR/L | 1083323463 | Occupational Therapist | College Station, TX | 2022 |
| Meagan Groezinger | 1386413631 | Behavior Technician | San Bernardino, CA | 2023 |
| Shawni Groezinger, DC | 1295749448 | Chiropractor | Lanark, IL | 2006 |
| Terri Groezinger, PA | 1679725097 | Physician Assistant | Monroe, WI | 2008 |
| David Grof, PT, DPT | 1518581610 | Physical Therapist | Charlevoix, MI | 2020 |
| Michael Grof | 1295911782 | Mental Health Counselor | Eugene, OR | 2008 |
| Michael Grof, D.O. | 1740238005 | Neurology Physician | Kentwood, MI | 2006 |
| Patrick Grof | 1760280440 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2025 |
| Sharon Grof | 1699960419 | Social Worker | San Francisco, CA | 2007 |
| Tyler Grof | 1639004682 | Family Medicine Physician | Cedar Falls, IA | 2026 |
| Abelee Groff, LICSW | 1750041489 | Clinical Social Worker | Newburyport, MA | 2021 |
| Abigail Groff, DPT | 1053158816 | Physical Therapist | Duncansville, PA | 2024 |
| Ada Groff, PT | 1831254192 | Physical Therapist | Denver, CO | 2006 |
| Adam Groff | 1083550388 | Mental Health Counselor | Newburyport, MA | 2026 |
| Adam Groff, MD | 1699848358 | Hospitalist Physician | Lebanon, NH | 2006 |
| Adrienne Groff, MSW, LICSW | 1043860125 | Clinical Social Worker | Evanston, IL | 2019 |
| Allison Groff, M.D. | 1346568557 | Obstetrics & Gynecology Physician | Frederick, MD | 2010 |
| Alvin (a.j.) Groff, MA, CCC-SLP | 1679175681 | Speech-Language Pathologist | Downingtown, PA | 2020 |
| Alyssa Groff, MD | 1598699779 | Emergency Medicine Physician | Charleston, SC | 2026 |
| Amanda Groff, TSSLD | 1154668572 | Specialist | Walton, NY | 2013 |
| Amy Groff, DO | 1033159330 | Family Medicine Physician | Madison, WI | 2006 |
| Amy Groff, M.D. | 1922068568 | Specialist | Raleigh, NC | 2006 |
| Ana Groff, PT, DPT | 1265986004 | Physical Therapist | Conyers, GA | 2016 |
| Andrew Groff, MD | 1114540283 | Gastroenterology Physician | Pittsburgh, PA | 2020 |
| Angela Groff | 1053672501 | Licensed Practical Nurse | Turin, NY | 2012 |
| Anna Groff | 1083533053 | Personal Care Attendant | Dellslow, WV | 2026 |
| April Groff, PH.D. | 1619121605 | Clinical Psychologist | Palo Alto, CA | 2008 |
| Audrey Groff, CNMW | 1578562633 | Advanced Practice Midwife | West Reading, PA | 2005 |
| Benjamin Groff, OT | 1356808695 | Occupational Therapist | Houston, TX | 2019 |
| Bradley Groff, RN | 1609142116 | Registered Nurse | Hartland, WI | 2012 |
| Brandon Groff | 1104401397 | Behavior Technician | Gilbert, AZ | 2021 |
| Brenna Groff, CLC | 1487525705 | Lactation Consultant (Non-RN) | Bulverde, TX | 2025 |
| Brett Groff, DO | 1780636993 | Anesthesiology Physician | Bethlehem, PA | 2006 |
| Brittany Groff, APNP | 1518360981 | Nurse Practitioner | Milwaukee, WI | 2014 |
| Brittney Groff, IBCLC | 1174357800 | Lactation Consultant (Non-RN) | Shippensburg, PA | 2024 |
| Brooke Groff | 1073044467 | Professional Counselor | Champaign, IL | 2017 |
| Bryan Groff, RN- CRNA | 1114805579 | Certified Registered Nurse Anesthetist | Minneapolis, MN | 2025 |
| Callen Groff | 1992518351 | Addiction (Substance Use Disorder) Counselor | Walla Walla, WA | 2025 |
| Carina Groff, PA-C | 1457035313 | Medical Physician Assistant | Harrisburg, PA | 2023 |
| Carla Groff, CRNA | 1598722258 | Certified Registered Nurse Anesthetist | Dallas, TX | 2006 |
| Carolyn Groff, D.C. | 1285728857 | Chiropractor | Centennial, CO | 2006 |
| Cassie Groff, PT | 1225368061 | Pediatric Physical Therapist | Minneapolis, MN | 2009 |
| Catherine Groff, CFNP | 1215062302 | Family Nurse Practitioner | Centreville, VA | 2007 |
| Christina Groff | 1215552492 | Speech-Language Pathologist | Broomall, PA | 2020 |
| Christopher Groff, PA | 1699177329 | Physician Assistant | Dayton, OH | 2014 |
| Connor Groff | 1326807082 | Student in an Organized Health Care Education/Training Program | Houston, TX | 2024 |
| Corey Groff, PHARMD | 1912536939 | Pharmacotherapy Pharmacist | Columbus, OH | 2020 |
| Cynthia Groff, D.O. | 1982890216 | Anesthesiology Physician | Pittsburgh, PA | 2007 |
| Dawn Groff, NP | 1548234404 | Primary Care Nurse Practitioner | Gilbert, AZ | 2006 |
| Deanna Groff, OTR/L | 1821205204 | Pediatric Occupational Therapist | Moses Lake, WA | 2007 |
| Deborah Groff, RN, CARN | 1508934498 | Registered Nurse | Portland, ME | 2006 |
| Deborah Groff, P.T. | 1871737437 | Physical Therapist | West Monroe, NY | 2009 |
| Debra Groff | 1881945806 | Occupational Therapist | Valley Village, CA | 2012 |
| Derek Groff, PHARMD | 1033617584 | Pharmacist | Murfreesboro, TN | 2018 |
| Destin Groff, M.D. | 1427804004 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2024 |
| Diller Groff, M.D. | 1699114462 | Pediatric Surgery Physician | Louisville, KY | 2013 |
| Donald Groff, RPH, CGP | 1497832612 | Geriatric Pharmacist | Covington, OH | 2006 |
| Dustin Groff, PHARMD | 1639794027 | Pharmacist | Fargo, ND | 2020 |
| Elizabeth Groff, PH.D. | 1346782992 | Clinical Psychologist | San Jose, CA | 2016 |
| Elizabeth Groff, MSN, CRNP | 1639957947 | Family Nurse Practitioner | Mechanicsburg, PA | 2023 |
| Elizabeth Groff, FNP-C | 1730863788 | Family Nurse Practitioner | Madison, GA | 2023 |
| Elizabeth Groff, MD | 1861478943 | Family Medicine Physician | Brighton, CO | 2005 |
| Elliot Groff, DO | 1508328345 | Obstetrics & Gynecology Physician | Pensacola, FL | 2019 |
| Emily Groff, DDS | 1164340725 | General Practice Dentistry | Waynesboro, VA | 2026 |
| Emily Groff, PT, DPT | 1598230716 | Physical Therapist | Westminster, CO | 2018 |
| Emily Groff, MD | 1730980756 | Student in an Organized Health Care Education/Training Program | Portland, ME | 2025 |
| Eric Groff, RRW | 1073955993 | Addiction (Substance Use Disorder) Counselor | San Diego, CA | 2013 |
| Erin Groff | 1992527550 | Gerontology Nurse Practitioner | Pottstown, PA | 2024 |
| Ethan Groff, DPT | 1346901261 | Pediatric Physical Therapist | Phoenix, AZ | 2022 |
| Gabrielle Groff, PT | 1649011230 | Physical Therapist | Fort Mill, SC | 2024 |
| Gabrielle Groff, PA-C | 1689387961 | Physician Assistant | Adrian, MI | 2023 |
| Gary Groff, DDS | 1174653406 | General Practice Dentistry | Clinton, MO | 2007 |
| Gary Groff, M.D. | 1609878560 | Family Medicine Physician | Pascagoula, MS | 2005 |
| Genevieve Groff, PA | 1578706248 | Physician Assistant | Tempe, AZ | 2009 |
| Geoffrey Groff, M.D. | 1730184995 | Family Medicine Physician | Houston, TX | 2005 |
| George Groff, M.D. | 1780607242 | Family Medicine Physician | Loganville, GA | 2006 |
| Gerald Groff, M.D. | 1053378950 | Rheumatology Physician | Cooperstown, NY | 2006 |
| Gina Groff, LCSW | 1992101513 | Clinical Social Worker | Springfield, IL | 2014 |
| Hailey Groff | 1215756184 | Behavior Technician | San Marcos, CA | 2024 |
| Hailey Groff, PA-C | 1225975741 | Physician Assistant | Roanoke, VA | 2026 |
| Haley Groff | 1689553992 | Pharmacist | Austin, TX | 2025 |
| Hannah Groff, DO | 1053871335 | Orthopaedic Surgery of the Spine Physician | Largo, FL | 2019 |
| Hannah Groff | 1275497760 | Speech-Language Pathologist | San Antonio, TX | 2025 |
| Harold Groff, M.D. | 1295706331 | Critical Care Medicine (Internal Medicine) Physician | Albuquerque, NM | 2006 |
| Heather Groff, MSPT | 1306013917 | Physical Therapist | Leola, PA | 2008 |
| Heidi Groff, NP | 1316092885 | Nurse Practitioner | Boston, MA | 2007 |
| Helen Groff | 1184958878 | Mental Health Counselor | Knoxville, TN | 2009 |
| Henry Groff, MD | 1841269602 | Specialist | Pittsburgh, PA | 2006 |
| Holli Groff, O.D. | 1790750867 | Optometrist | Houston, TX | 2006 |
| Irene Groff | 1194057547 | Community Health Worker | Chester Springs, PA | 2010 |
| Jacob Groff | 1588953004 | Counselor | Eugene, OR | 2011 |
| Jacqueline Groff, FNP | 1437504115 | Family Nurse Practitioner | Staunton, VA | 2016 |
| Jade Groff, CNM | 1922376953 | Advanced Practice Midwife | Bryn Mawr, PA | 2011 |
| James Groff, DO | 1265480644 | Dermatology Physician | Sun City West, AZ | 2006 |
| James Groff, D.O. | 1598050155 | Trauma Surgery Physician | Bridgehampton, NY | 2011 |
| James Groff, DO | 1912959107 | Nephrology Physician | Lancaster, PA | 2006 |
| Janice Groff | 1104086826 | Adult Companion | Portland, OR | 2008 |
| Janie Groff, LCSW | 1639125917 | Clinical Social Worker | New York, NY | 2006 |
| Jasmine Groff | 1588308498 | Family Nurse Practitioner | Glen Burnie, MD | 2022 |
| Jason Groff, CFO, COA | 1134562317 | Orthotic Fitter | Gastonia, NC | 2013 |
| Jason Groff, DDS | 1518170166 | Dentist | Rocklin, CA | 2007 |
| Jeanne Groff, LMFT | 1265508766 | Marriage & Family Therapist | University Place, WA | 2006 |
| Jeannine Groff, P.A. | 1982899647 | Physician Assistant | Cooperstown, NY | 2007 |
| Jennifer Groff, PT | 1083809123 | Physical Therapist | Gloversville, NY | 2007 |
| Jennifer Groff, CRNP | 1376595587 | Adult Health Nurse Practitioner | Lancaster, PA | 2006 |
| Jennifer Groff, FNP | 1558545160 | Nurse Practitioner | Prattville, AL | 2007 |
| Jennifer Groff, DO | 1932802543 | Pediatrics Physician | Little Rock, AR | 2023 |
| Jessica Groff, CCC-SLP | 1215294632 | Speech-Language Pathologist | Owasso, OK | 2012 |
| Jessica Groff, MOT, OTR/L | 1275786279 | Occupational Therapist | Kahului, HI | 2008 |
| Jessica Groff | 1306293816 | Mental Health Counselor | Blaine, MN | 2016 |
| Jessica Groff, P.T. | 1326252495 | Specialist | Excelsior, MN | 2007 |
| Jessica Groff, MS | 1629608815 | Nutrition Education Nutritionist | Oakland, NJ | 2020 |
| Jillian Groff | 1912687385 | Behavior Technician | Voorhees, NJ | 2023 |
| Joey Groff, PTA | 1144852955 | Physical Therapy Assistant | Northglenn, CO | 2020 |
| Jordan Groff, DPT | 1578369831 | Physical Therapist | Lancaster, PA | 2025 |
| Kace Groff, D.C. | 1265967384 | Chiropractor | Tampa, FL | 2017 |
| Karen Groff, CRNA | 1083620959 | Certified Registered Nurse Anesthetist | Trenton, NJ | 2006 |
| Karen Groff, MD | 1770649428 | Psychiatry Physician | Philadelphia, PA | 2006 |
| Karisa Groff, DC | 1740933472 | Chiropractor | San Francisco, CA | 2022 |
| Karolyn Groff | 1922936681 | Social Worker | Buffalo, NY | 2026 |
| Kathleen Groff, FNP-BC | 1003312984 | Nurse Practitioner | Fort Campbell, KY | 2018 |
| Kathleen Groff, DPT | 1710431069 | Geriatric Physical Therapist | Seattle, WA | 2016 |
| Kathleen Groff, FNP-BC | 1962771097 | Family Nurse Practitioner | Indianapolis, IN | 2011 |
| Kathleen Groff, CCCSLP | 1972809267 | Speech-Language Pathologist | Houston, TX | 2011 |
| Kathryn Groff, LMFT-IT | 1013655513 | Marriage & Family Therapist | Sturgeon Bay, WI | 2022 |
| Katie Groff, DO | 1124515028 | Obstetrics Physician | Glendale, AZ | 2018 |
| Kaylee Groff, D.C. | 1669989109 | Chiropractor | Tampa, FL | 2018 |
| Kelly Groff, RNS | 1194170522 | School Registered Nurse | New Castle, DE | 2016 |
| Kelsie Groff, APRN | 1194426759 | Nurse Practitioner | Billings, MT | 2023 |
| Kevin Groff, DO | 1598348641 | Family Medicine Physician | Camp Hill, PA | 2021 |
| Kirsten Groff, RNC-NIC, MSN, CRNP | 1942879523 | Neonatal Nurse Practitioner | Annapolis, MD | 2021 |
| Laura Groff | 1639649114 | Speech-Language Pathologist | Annapolis, MD | 2018 |
| Lauren Groff | 1538873682 | Family Nurse Practitioner | Plano, TX | 2023 |
| Linda Groff, ANP | 1659352029 | Family Nurse Practitioner | Indianapolis, IN | 2005 |
| Lindsay Groff, PA-C | 1497145981 | Physician Assistant | Lincoln, NE | 2015 |
| Lindsay Groff, HEARING AID DISP | 1801034905 | Hearing Instrument Specialist | Napa, CA | 2009 |
| Lindsey Groff | 1265094668 | Pharmacist | Columbus, OH | 2019 |
| Lisa Groff, D.C. | 1093776189 | Chiropractor | Gloversville, NY | 2006 |
| Lori Groff, RN | 1558630814 | Registered Nurse | Elmira, NY | 2011 |
| Lynn Groff | 1730482555 | Professional Counselor | Redwood City, CA | 2010 |
| Mallory Groff | 1255961959 | Psychiatric/Mental Health Nurse Practitioner | Hockessin, DE | 2020 |
| Marci Groff, MS CCC/SLP | 1447681879 | Speech-Language Pathologist | Conway, SC | 2013 |
| Margaret Groff, M.D. | 1073506945 | Family Medicine Physician | Mechanicsburg, PA | 2005 |
| Margaux Groff | 1063394419 | Pharmacist | Eugene, OR | 2025 |
| Mariah Groff, OTD, OTR/L | 1770354714 | Occupational Therapist | New Lenox, IL | 2024 |
| Marian Groff, CNM MSN | 1255420790 | Advanced Practice Midwife | Elko, NV | 2006 |
| Mark Groff, D.C. | 1336233683 | Chiropractor | Gallatin, TN | 2006 |
| Martin Groff, PH.D. | 1861545196 | Clinical Psychologist | Indianapolis, IN | 2007 |
| Mary Groff, APRN | 1013986991 | Nurse Practitioner | Bluffton, SC | 2006 |
| Mary Groff, MSW LCSW ACSW PIP | 1285668038 | Clinical Social Worker | Guntersville, AL | 2006 |
| Matthew Groff, LCSW | 1336578046 | Clinical Social Worker | Williamsport, PA | 2013 |
| Meagan Groff, APRN | 1346083565 | Nurse Practitioner | Jacksonville, FL | 2024 |
| Meda Groff, LCSW-C | 1417746769 | Clinical Social Worker | Baltimore, MD | 2025 |
| Melanie Groff, PHARMD, RPH | 1801652672 | Pharmacist | Frisco, TX | 2024 |
| Meleigh Groff, DO | 1841814555 | Family Medicine Physician | West Columbia, SC | 2020 |
| Melissa Groff, PA | 1215075239 | Physician Assistant | Omaha, NE | 2007 |
| Merrill Groff, LCSW-C | 1578101358 | Clinical Social Worker | Gaithersburg, MD | 2019 |
| Michelle Groff, B.S. | 1174806137 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Beltsville, MD | 2011 |
| Michelle Groff, LCSW | 1346742574 | Clinical Social Worker | Cherry Hill, NJ | 2018 |
| Michelle Groff, CPS | 1487164851 | Counselor | Pottstown, PA | 2017 |
| Mikaela Groff | 1417403015 | Registered Dietitian | Lees Summit, MO | 2016 |
| Monika Groff, OD | 1215959390 | Optometrist | Fredericksburg, PA | 2006 |
| Morgan Groff | 1164922712 | Behavior Technician | Bakersfield, CA | 2018 |
| Nancy Groff, P.T. | 1659498764 | Physical Therapist | Prosser, WA | 2007 |
| Natalie Groff, MFT | 1225658347 | Student in an Organized Health Care Education/Training Program | Annville, PA | 2020 |
| Nathan Groff, LCSW | 1760854657 | Clinical Social Worker | Punta Gorda, FL | 2015 |
| Neil Groff, MD. | 1114949682 | Family Medicine Physician | Loganville, GA | 2006 |
| Nicole Groff, PA-C | 1619525276 | Physician Assistant | Philadelphia, PA | 2019 |
| Nicole Groff | 1689980922 | Speech-Language Assistant | Phoenix, AZ | 2010 |
| Patricia Groff, PHD | 1013296045 | Psychologist | Phoenix, AZ | 2011 |
| Patricia Groff, HOSPICE CNA | 1477823888 | Nurse's Aide | Frederica, DE | 2012 |
| Paul Groff, MA, LMHC | 1265638274 | Mental Health Counselor | Lowell, MA | 2007 |
| Payton Groff, AGACNP | 1235953100 | Acute Care Nurse Practitioner | San Antonio, TX | 2024 |
| Peyton Groff, PH.D. | 1780817817 | Psychologist | Canton, GA | 2009 |
| Rachel Groff, OD | 1124774377 | Optometrist | Surprise, AZ | 2022 |
| Randilee Groff, LCSW | 1982168225 | Clinical Social Worker | Livingston, MT | 2019 |
| Rebecca Groff, PTA | 1669352852 | Physical Therapy Assistant | Newport Beach, CA | 2025 |
| Rebecca Groff, BCBA | 1821229295 | Behavior Analyst | Nebraska City, NE | 2009 |
| Robert Groff, DO | 1154028413 | Family Medicine Physician | Little Rock Afb, AR | 2023 |
| Robert Groff, LPC | 1558129189 | Professional Counselor | Fort Worth, TX | 2024 |
| Robert Groff, M.D. | 1871810465 | Critical Care Medicine (Anesthesiology) Physician | Atlanta, GA | 2010 |
| Roxanne Groff, AUD | 1609895424 | Audiologist | Athens, OH | 2006 |
| Rylie Groff | 1487132395 | Addiction (Substance Use Disorder) Counselor | Lebanon, PA | 2018 |
| Sally Groff, LMFT | 1861603888 | Marriage & Family Therapist | Indianapolis, IN | 2007 |
| Samantha Groff | 1871140566 | Speech-Language Pathologist | Anaheim, CA | 2019 |
| Sarah Groff, MD | 1497192082 | Dermatology Physician | San Antonio, TX | 2013 |
| Sarah Groff, LPC | 1548788789 | Professional Counselor | Mooresville, NC | 2017 |
| Sarah Groff, AU.D. | 1750837183 | Audiologist | Union City, CA | 2016 |
| Sheila Groff, CRNP | 1942290655 | Family Nurse Practitioner | Orefield, PA | 2005 |
| Sherry Groff, LMT, MMP | 1194033324 | Massage Therapist | Tampa, FL | 2010 |
| Shilo Groff | 1770471195 | Behavior Technician | Oklahoma City, OK | 2025 |
| Skyler Groff | 1114614096 | Behavior Technician | Omaha, NE | 2023 |
| Sophia Groff, DC | 1275267296 | Chiropractor | Sun Prairie, WI | 2022 |
| Stephen Groff, PHD | 1194788596 | Psychologist | Tuscaloosa, AL | 2006 |
| Stephen Groff, M.D. | 1740567122 | Psychiatry Physician | St Petersburg, FL | 2011 |
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).