Providers Douglas Greiner to Ronnie Greissman, DPM
300 individual NPIs in the federal registry, part 8,305 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. 114 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Douglas Greiner | 1861850505 | Psychologist | Springfield, MO | 2016 |
| Eleanor Greiner, MD | 1033670633 | Pediatric Cardiology Physician | Cincinnati, OH | 2019 |
| Elizabeth Greiner | 1386429496 | Behavior Analyst | Issaquah, WA | 2023 |
| Emily Greiner | 1639028137 | Behavior Technician | Morton Grove, IL | 2026 |
| Erica Greiner, LMHC | 1457807919 | Mental Health Counselor | Swoyersville, PA | 2016 |
| Erika Greiner | 1215786124 | Mental Health Counselor | Raleigh, NC | 2024 |
| Erin Greiner, LPN | 1457671646 | Licensed Practical Nurse | Highland, NY | 2010 |
| Gregory Greiner, P.T. ASST. | 1710002134 | Physical Therapy Assistant | Chula Vista, CA | 2007 |
| Hailey Greiner, CCC-SLP | 1619784915 | Speech-Language Pathologist | Rogers, AR | 2024 |
| Hansel Greiner, M.D. | 1164605275 | Neurology with Special Qualifications in Child Neurology Physician | Cincinnati, OH | 2007 |
| Hayley Greiner, OTD, OTR/L | 1225863715 | Occupational Therapist | Westmont, IL | 2024 |
| Heather Greiner | 1851239685 | Mental Health Counselor | Peoria, IL | 2026 |
| Heidi Greiner | 1932842812 | School Registered Nurse | Palisades Park, NJ | 2022 |
| Hilary Greiner | 1750212528 | Marriage & Family Therapist | Kemmerer, WY | 2026 |
| Holly Greiner | 1194390260 | Speech-Language Pathologist | Simi Valley, CA | 2021 |
| Holly Greiner, FNP | 1609313006 | Family Nurse Practitioner | Dansville, NY | 2017 |
| Isabel Greiner, COTA/L | 1316337678 | Occupational Therapy Assistant | Deland, FL | 2015 |
| Jack Greiner, D.O. | 1588601280 | Ophthalmology Physician | Boston, MA | 2006 |
| Jack Greiner, O.D | 1811051535 | Optometrist | Vinita, OK | 2006 |
| Jack Greiner | 1972320125 | Acute Care Nurse Practitioner | Nutley, NJ | 2024 |
| James Greiner, CST/CSFA, LSA | 1134822349 | Surgical Physician Assistant | Clearwater, FL | 2023 |
| James Greiner, LMHC | 1750159364 | Mental Health Counselor | Albuquerque, NM | 2023 |
| Jameson Greiner | 1740317379 | Certified Registered Nurse Anesthetist | Chattanooga, TN | 2007 |
| Jamie Greiner, MD | 1326244690 | Family Medicine Physician | Coralville, IA | 2007 |
| Jarrod Greiner, PT, DPT | 1588543466 | Physical Therapist | Henryetta, OK | 2025 |
| Jasmine Greiner | 1548943848 | Behavior Technician | Littleton, CO | 2023 |
| Jason Greiner, O.D. | 1417210493 | Optometrist | Yorba Linda, CA | 2012 |
| Jeffrey Greiner | 1689837544 | Massage Therapist | Seattle, WA | 2008 |
| Jena Greiner | 1811494578 | Speech-Language Pathologist | Miamisburg, OH | 2018 |
| Jenifer Greiner, NURSING ASSISTANT | 1225206600 | Nurse's Aide | Fort Rucker, AL | 2008 |
| Jenna Greiner, M.A. CCC-SLP | 1699446435 | Speech-Language Pathologist | West Lake Hills, TX | 2021 |
| Jennifer Greiner | 1134076920 | Student in an Organized Health Care Education/Training Program | Iowa City, IA | 2026 |
| Jennifer Greiner | 1255837316 | Registered Nurse | Pawling, NY | 2018 |
| Jennifer Greiner, D.O. | 1447469952 | Otolaryngology Physician | Kingsport, TN | 2007 |
| Jennifer Greiner, NP | 1477698603 | Family Nurse Practitioner | Appleton, WI | 2007 |
| Jennifer Greiner | 1598072829 | Mental Health Counselor | Pacoima, CA | 2010 |
| Jesse Greiner, MSN, CRNP, FNP-C | 1760008973 | Family Nurse Practitioner | Horsham, PA | 2020 |
| Jessica Greiner | 1689933137 | Case Manager/Care Coordinator | Pittsburgh, PA | 2012 |
| Jessica Greiner, M.S. | 1770709545 | Case Manager/Care Coordinator | San Diego, CA | 2007 |
| Joan Greiner, O.T.R./L | 1124300595 | Occupational Therapist | Wayne, NJ | 2011 |
| Joel Greiner, PLPC | 1750484960 | Professional Counselor | St Louis, MO | 2006 |
| Joellen Greiner | 1851255749 | Personal Care Attendant | Belington, WV | 2025 |
| John Greiner, PHARMD | 1497823918 | Pharmacist | Urbandale, IA | 2006 |
| John Greiner, D.D.S. | 1639217102 | General Practice Dentistry | Des Moines, IA | 2007 |
| John Greiner | 1942440482 | Orthotist | Wilkes Barre, PA | 2009 |
| Jordan Greiner, DPT | 1346641685 | Pediatric Physical Therapist | Mechanicsburg, PA | 2014 |
| Jordan Greiner, PA-C | 1962885707 | Medical Physician Assistant | Pella, IA | 2015 |
| Joseph Greiner, DDS | 1417523010 | General Practice Dentistry | Mentor, OH | 2021 |
| Joseph Greiner, D.D.S. | 1942316203 | Endodontics | Anaheim, CA | 2006 |
| Josepn Greiner, R.PH. | 1205105566 | Pharmacist | Skokie, IL | 2011 |
| Julia Greiner, LAT, ATC | 1962808808 | Athletic Trainer | Indian Land, SC | 2014 |
| Juliana Greiner | 1962260315 | Marriage & Family Therapist | Spokane, WA | 2024 |
| Justin Greiner | 1578912226 | Sports Medicine (Orthopaedic Surgery) Physician | Omaha, NE | 2016 |
| Kaitlyn Greiner, OD | 1417575341 | Optometrist | Mt Pleasant, SC | 2020 |
| Kaitlyn Greiner, MD | 1578191219 | Hospitalist Physician | Columbus, OH | 2020 |
| Kale Greiner, DPT | 1679248967 | Physical Therapist | Lone Tree, CO | 2021 |
| Karen Greiner | 1134403579 | Behavior Analyst | Saint Louis, MO | 2011 |
| Karen Greiner | 1275331597 | Day Training/Habilitation Specialist | Lincoln, NE | 2025 |
| Karen Greiner, MD, MPH | 1427686930 | Complex Family Planning Physician | La Jolla, CA | 2020 |
| Kathryn Greiner, L.M.T. | 1457801631 | Massage Therapist | Portland, OR | 2016 |
| Kathryn Greiner, M.D. | 1548556269 | Family Medicine Physician | College Station, TX | 2011 |
| Katie Greiner, O.D. | 1972732436 | Optometrist | Kent, OH | 2009 |
| Kayla Greiner, DPT | 1568690394 | Physical Therapist | Kansas City, MO | 2009 |
| Kayli Greiner, M.S. CCC-SLP | 1932578937 | Speech-Language Pathologist | Glenshaw, PA | 2015 |
| Keith Greiner, M.D. | 1306932934 | Family Medicine Physician | Kansas City, KS | 2006 |
| Kelli Greiner | 1861940777 | Professional Counselor | Littleton, CO | 2016 |
| Kelly Greiner, LMP | 1669809851 | Massage Therapist | Monroe, WA | 2013 |
| Kelsey Greiner | 1023725835 | Perfusionist | Plymouth, MI | 2022 |
| Kelsey Greiner, PA-C | 1992256531 | Surgical Physician Assistant | Chicago, IL | 2016 |
| Kendra Greiner | 1245652213 | Rehabilitation Practitioner | Grand Rapids, MI | 2014 |
| Kenneth Greiner, D.D.S. | 1265618649 | General Practice Dentistry | Dexter, MI | 2008 |
| Kimberli Greiner, DPT | 1396177036 | Physical Therapist | Council Bluffs, IA | 2013 |
| Kimberly Greiner, RD, CDE | 1174761977 | Registered Dietitian | Dunkirk, NY | 2009 |
| Kimberly Greiner, VMD | 1598927394 | Veterinarian | Columbus, NJ | 2008 |
| Kristen Greiner | 1558900837 | Social Worker | Orland Park, IL | 2020 |
| Kristin Greiner, RDN | 1225758006 | Registered Dietitian | Colorado Springs, CO | 2022 |
| Kristin Greiner | 1992621155 | Health & Wellness Coach | Massapequa, NY | 2026 |
| Laura Greiner, LMHC, M.A., M.S. | 1841046067 | Mental Health Counselor | Reinbeck, IA | 2024 |
| Lauren Greiner, PA | 1710617626 | Physician Assistant | New York, NY | 2022 |
| Lauren Greiner, PH.D. | 1902097165 | Clinical Psychologist | Rye Brook, NY | 2007 |
| Laurie Greiner, KAYLA GREINER | 1457590184 | Occupational Therapist | Vinita, OK | 2009 |
| Lea Greiner, SLP | 1609160233 | Speech-Language Pathologist | Johnston, IA | 2011 |
| Linda Greiner, PA-C | 1356631105 | Physician Assistant | Leavenworth, WA | 2011 |
| Lindsey Greiner | 1427401843 | Pharmacist | Rochester, MN | 2016 |
| Lori Greiner, FNP | 1972935997 | Nurse Practitioner | Onalaska, WI | 2013 |
| Luann Greiner, NP | 1245290527 | Nurse Practitioner | Madison, WI | 2006 |
| Lydia Greiner, APRN | 1225159171 | Psychiatric/Mental Health Nurse Practitioner | Bridgeport, CT | 2007 |
| Macee Greiner | 1033063649 | Behavior Technician | Brentwood, CA | 2026 |
| Magaly Greiner, M.S., CCC-SLP | 1992075717 | Speech-Language Pathologist | Attleboro, MA | 2012 |
| Marcia Greiner, P.T. | 1609912047 | Physical Therapist | West Des Moines, IA | 2007 |
| Margaret Greiner, LLPC | 1225740244 | Mental Health Counselor | Scottville, MI | 2022 |
| Margaret Greiner | 1669415170 | Athletic Trainer | Croton On Hudson, NY | 2006 |
| Mariah Greiner, FNP | 1619347010 | Family Nurse Practitioner | Buffalo, NY | 2015 |
| Marina Greiner, THERAPEUTIC COACH | 1659811743 | Mental Health Counselor | Brookhaven, GA | 2017 |
| Mark Greiner | 1164363057 | Adult Companion | Lincoln, NE | 2026 |
| Mark Greiner, M.D. | 1194992958 | Ophthalmology Physician | Iowa City, IA | 2008 |
| Mark Greiner, L.AC. | 1295366839 | Acupuncturist | Columbia, MD | 2020 |
| Marla Greiner, M.D. | 1811336068 | Urology Physician | Urbandale, IA | 2013 |
| Marvin Greiner, RMT | 1790014140 | Massage Therapist | Arvada, CO | 2009 |
| Mary Greiner, DO | 1467483024 | Family Medicine Physician | Ann Arbor, MI | 2006 |
| Mary Greiner, LCSW | 1679040612 | Specialist | White Plains, NY | 2018 |
| Mary Greiner, LCSW | 1891804605 | Social Worker | Dallas, TX | 2006 |
| Mary Greiner, M.D. | 1922281757 | Pediatrics Physician | Cincinnati, OH | 2007 |
| Matthew Greiner, LMSW | 1831780170 | Clinical Social Worker | Farmington Hills, MI | 2021 |
| Matthew Greiner, P.A. | 1942238175 | Surgical Physician Assistant | Knoxville, TN | 2006 |
| Max Greiner | 1174036404 | Student in an Organized Health Care Education/Training Program | Oakland, CA | 2017 |
| Meika Greiner, NP | 1356277099 | Adult Health Nurse Practitioner | Columbia, SC | 2026 |
| Melissa Greiner | 1639016066 | Doula | Saint Albans, VT | 2026 |
| Michael Greiner, M.D. | 1124133640 | Family Medicine Physician | Fairfield, IA | 2006 |
| Michael Greiner, PHARMD | 1639724222 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Arvada, CO | 2019 |
| Michael Greiner, MOT, OTR/L | 1649590597 | Occupational Therapist | Ormond Beach, FL | 2010 |
| Michael Greiner, NP-C, D.C. | 1942452453 | Nurse Practitioner | Warren, MI | 2008 |
| Michelle Greiner, OTR/L | 1033441639 | Specialist | North Hollywood, CA | 2010 |
| Miranda Greiner, MD, MPH | 1841654993 | Psychiatry Physician | New York, NY | 2016 |
| Mitchell Greiner | 1891110102 | Social Worker | Bethany, OK | 2014 |
| Monica Greiner | 1427826015 | Nurse's Aide | Issaquah, WA | 2023 |
| Morgan Greiner, AUD | 1942868617 | Audiologist | League City, TX | 2019 |
| Nathan Greiner | 1942802988 | Physical Medicine & Rehabilitation Physician | Lakeland, FL | 2020 |
| Newton Greiner, D.MIN DOCTOR OF MINI | 1922251131 | Marriage & Family Therapist | Plattsburgh, NY | 2008 |
| Nicholas Greiner, D.O. | 1326200692 | Sports Medicine (Family Medicine) Physician | Ballwin, MO | 2008 |
| Nichole Greiner, CRNA | 1225750649 | Certified Registered Nurse Anesthetist | Cleveland, OH | 2022 |
| Nick Greiner, D.C. | 1386804193 | Chiropractor | Cranberry Township, PA | 2008 |
| Nicole Greiner | 1508240516 | Family Nurse Practitioner | Oklahoma City, OK | 2015 |
| Paige Greiner, RN | 1659298164 | Diabetes Educator Registered Nurse | Greeley, CO | 2026 |
| Paige Greiner | 1871167890 | Speech-Language Pathologist | Plymouth, MI | 2021 |
| Pamla Greiner, RN, CNP | 1437227154 | Adult Health Nurse Practitioner | Elbow Lake, MN | 2006 |
| Paul Greiner, MD | 1861466997 | Internal Medicine Physician | Mansfield, MA | 2006 |
| Rachel Greiner | 1073861910 | Marriage & Family Therapist | Carlsbad, CA | 2012 |
| Rachel Greiner, MD | 1861296949 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2025 |
| Rebecca Greiner, MSW | 1003248725 | Social Worker | Batavia, NY | 2013 |
| Rebecca Greiner | 1245581537 | Registered Nurse | Lake Grove, NY | 2012 |
| Rebecca Greiner, PA | 1285172536 | Physician Assistant | Charlotte, NC | 2017 |
| Rebecca Greiner, PA-C | 1568051332 | Physician Assistant | Colorado Springs, CO | 2021 |
| Rebecca Greiner, LPC | 1962890913 | Mental Health Counselor | Charlottesville, VA | 2014 |
| Richard Greiner, D.D.S. | 1831271105 | General Practice Dentistry | Seattle, WA | 2006 |
| Richard Greiner, MD | 1871602318 | Emergency Medicine Physician | Bridgeport, CT | 2006 |
| Robert Greiner, D.O. | 1295885853 | Orthopaedic Surgery Physician | Independence, MO | 2007 |
| Robert Greiner, M.D. | 1477744258 | Pediatric Hematology & Oncology Physician | Hershey, PA | 2007 |
| Robert Greiner | 1760907182 | Hearing Instrument Specialist | Bradenton, FL | 2017 |
| Robin Greiner, LLMSW | 1457907172 | Clinical Social Worker | Midland, MI | 2019 |
| Ryan Greiner, M.D. | 1710270665 | Hospitalist Physician | Robbinsdale, MN | 2011 |
| Savannah Greiner, RD | 1235742651 | Registered Dietitian | Lancaster, PA | 2020 |
| Sean Greiner, MD | 1063114015 | Student in an Organized Health Care Education/Training Program | Baltimore, MD | 2023 |
| Seth Greiner, MSPT | 1215907449 | Physical Therapist | East Quogue, NY | 2006 |
| Sharon Greiner, MSN, CNM ,FNP-BC | 1477218444 | Advanced Practice Midwife | Merrillville, IN | 2021 |
| Shawna Greiner, CRNA | 1154468460 | Certified Registered Nurse Anesthetist | Travis Afb, CA | 2007 |
| Shay Greiner, LSW | 1922466960 | Social Worker | Steubenville, OH | 2016 |
| Sierra Greiner, PHARMD | 1104749134 | Emergency Medicine Pharmacist | Pensacola, FL | 2026 |
| Silke Greiner, CMT | 1629312863 | Massage Therapist | Fairfax, CA | 2012 |
| Sonja Greiner, APN | 1073550836 | Psychiatric/Mental Health Nurse Practitioner | Wilmington, NC | 2006 |
| Sophia Greiner, LCSW | 1619202330 | Clinical Social Worker | Brooksville, FL | 2009 |
| Stacy Greiner, RN | 1407084171 | Registered Nurse | Zanesville, OH | 2009 |
| Stephanie Greiner, LPC | 1356093975 | Mental Health Counselor | Balch Springs, TX | 2022 |
| Stephen Greiner | 1407193626 | Dentist | Mason, OH | 2013 |
| Steven Greiner, BA | 1437497542 | Addiction (Substance Use Disorder) Counselor | Tulsa, OK | 2013 |
| Steven Greiner, DDS | 1912052556 | General Practice Dentistry | Mentor, OH | 2007 |
| Susan Greiner | 1841137452 | Registered Nurse | Caledonia, WI | 2026 |
| Susan Greiner, PA-C | 1851466825 | Physician Assistant | East China, MI | 2006 |
| Suzanne Greiner | 1780489666 | Registered Nurse | Thornton, CO | 2025 |
| Tammy Greiner, MS, CCC-SLP | 1316086937 | Speech-Language Pathologist | Smithfield, NC | 2007 |
| Tara Greiner, P.T. | 1932622172 | Physical Therapist | Palo Alto, CA | 2017 |
| Taryn Greiner, CCC-SLP | 1740585389 | Speech-Language Pathologist | Mooresville, NC | 2011 |
| Taylor Greiner, PTA | 1467944686 | Physical Therapy Assistant | Falls City, NE | 2018 |
| Teresa Greiner, M.D. | 1003834128 | Psychiatry Physician | Angola, IN | 2006 |
| Timothy Greiner, DPT | 1154720282 | Physical Therapist | Willow Street, PA | 2014 |
| Timothy Greiner, MD | 1447208210 | Anatomic Pathology & Clinical Pathology Physician | Omaha, NE | 2006 |
| Timothy Greiner, DO | 1952805285 | Emergency Medicine Physician | Bloomington, MN | 2018 |
| Tyler Greiner, DO | 1194341032 | Anesthesiology Physician | Hiawatha, IA | 2020 |
| Tyler Greiner, PHARMD | 1306343363 | Pharmacist | Indianola, IA | 2018 |
| Ursula Greiner, BHCMII | 1316246143 | Case Manager/Care Coordinator | Tulsa, OK | 2011 |
| Vernne Greiner, DO | 1255398319 | Family Medicine Physician | Mechanicsburg, PA | 2006 |
| Virginia Greiner, ARNP | 1689855264 | Psychiatric/Mental Health Nurse Practitioner | Jacksonville, FL | 2007 |
| Wendy Greiner, NP-C | 1235539818 | Family Nurse Practitioner | Groveport, OH | 2014 |
| William Greiner, MD | 1003899915 | Family Medicine Physician | Kansas City, KS | 2005 |
| William Greiner, MD | 1225065253 | Diagnostic Radiology Physician | Seattle, WA | 2006 |
| Zachary Greiner | 1548965106 | Student in an Organized Health Care Education/Training Program | Columbus, OH | 2023 |
| Julie Greiner-Ferris, LICSW | 1972600872 | Clinical Social Worker | Medway, MA | 2006 |
| Karliese Greiner-Laurie, LCSW-R, CASAC | 1790962124 | Clinical Social Worker | New York, NY | 2008 |
| Esther Greinerl, LMP | 1982917001 | Massage Therapist | Seattle, WA | 2010 |
| Jill Greinert, AU.D. | 1912473398 | Audiologist | Rochester, NY | 2018 |
| Nancy Greinert, M.S. | 1881796928 | Marriage & Family Therapist | Anacortes, WA | 2006 |
| Karsyn Greinier | 1578433215 | Mental Health Counselor | Bend, OR | 2025 |
| Kristi Greinier | 1831687524 | Counselor | Sitka, AK | 2018 |
| Emily Greinke, DPT | 1336493824 | Physical Therapist | Ambler, PA | 2012 |
| Jessica Greinke, M.D. | 1447517495 | Internal Medicine Physician | De Soto, KS | 2012 |
| Lyndi Greinke, LMP | 1699913004 | Specialist | Federal Way, WA | 2009 |
| Stephanie Greinke, DPT | 1982329934 | Physical Therapist | Camarillo, CA | 2022 |
| Teresa Greinke, PA | 1740735505 | Medical Physician Assistant | Opelika, AL | 2016 |
| John Greinwald, M.D. | 1275547457 | Pediatric Otolaryngology Physician | Cincinnati, OH | 2006 |
| Christine Greipp, DO | 1124557897 | Psychiatry Physician | Philadelphia, PA | 2017 |
| Patricia Greipp, D.O. | 1912122839 | Clinical Pathology/Laboratory Medicine Physician | Rochester, MN | 2007 |
| Anthony Greis, M.D. | 1477105187 | Obstetrics & Gynecology Physician | Deerfield, IL | 2019 |
| Ari Greis, DO | 1831209105 | Physical Medicine & Rehabilitation Physician | Bryn Mawr, PA | 2006 |
| Ava Greis | 1861326415 | Behavior Technician | Buffalo, NY | 2026 |
| Belinda Greis, MS, CCC-SLP | 1780172023 | Speech-Language Pathologist | Manassas, VA | 2018 |
| Brandon Greis | 1427629401 | Behavior Technician | Belleview, FL | 2021 |
| Corrine Greis | 1386150696 | Behavior Technician | Cambridge, MA | 2017 |
| David Greis | 1437091683 | Student in an Organized Health Care Education/Training Program | Loma Linda, CA | 2026 |
| Elizabeth Greis, N.P. | 1508109315 | Psychiatric/Mental Health Nurse Practitioner | Buffalo, NY | 2013 |
| Helen Greis, LMFT | 1932119310 | Marriage & Family Therapist | Poway, CA | 2006 |
| Lauren Greis | 1841857174 | Social Worker | Oakland, CA | 2019 |
| Lauri Greis, CNP | 1356334999 | Nurse Practitioner | Las Cruces, NM | 2005 |
| Lydia Greis, CNP | 1578859518 | Adult Health Nurse Practitioner | Minneapolis, MN | 2011 |
| Mackenzie Greis, PT, DPT | 1588289797 | Physical Therapist | Odessa, MO | 2020 |
| Megan Greis, NP | 1679351688 | Psychiatric/Mental Health Nurse Practitioner | Bronx, NY | 2023 |
| Melanie Greis | 1174744767 | Pharmacist | Tempe, AZ | 2007 |
| Monica Greis | 1215424726 | Speech-Language Pathologist | Hartford, WI | 2018 |
| Nelly Greis, SLP | 1932543402 | Speech-Language Pathologist | Brooklyn, NY | 2013 |
| Patrick Greis, MD | 1568552164 | Sports Medicine (Orthopaedic Surgery) Physician | Salt Lake City, UT | 2006 |
| Rachel Greis, RBT | 1215505904 | Behavior Technician | Edgewood, KY | 2021 |
| Sharon Greis, MA CCC/SLP BRS/S | 1720328800 | Speech-Language Pathologist | Philadelphia, PA | 2013 |
| Stephanie Greis, OTR/L | 1659687549 | Specialist | Blanchester, OH | 2010 |
| William Greis | 1396548046 | Student in an Organized Health Care Education/Training Program | Worcester, MA | 2025 |
| Thomas Greisamer, M.D. | 1780787648 | Psychiatry Physician | Everett, WA | 2006 |
| Justin Greisberg, MD | 1326063371 | Orthopaedic Surgery Physician | New York, NY | 2006 |
| Scott Greisberg, PH. D. | 1215101647 | Clinical Psychologist | Harrison, NY | 2008 |
| Catherine Greisch, PSYD | 1659623965 | Clinical Child & Adolescent Psychologist | Aurora, CO | 2012 |
| Kaila Greisch | 1225763527 | Addiction (Substance Use Disorder) Counselor | Toms River, NJ | 2022 |
| Laurie Greisch, DNP, PMHNP, F.N.P. | 1477733483 | Psychiatric/Mental Health Nurse Practitioner | Red Bank, NJ | 2007 |
| Mackenzie Greisch | 1104524115 | Certified Registered Nurse Anesthetist | Green Bay, WI | 2023 |
| Stefanie Greisch, LCSW | 1093220220 | Clinical Social Worker | Rochester, NY | 2017 |
| Jane Greischar | 1114392958 | Pharmacist | Middleton, WI | 2015 |
| Sami Greisdorf | 1528839008 | Community Health Worker | San Luis Obispo, CA | 2024 |
| Joel Greise | 1265245625 | Home Health Aide | Omaha, NE | 2025 |
| Rachael Greise, LGPC | 1811662307 | Mental Health Counselor | Cumberland, MD | 2021 |
| Brad Greisen, CRNA | 1396979985 | Certified Registered Nurse Anesthetist | Kearney, NE | 2009 |
| Brooke Greisen, APRN-CRNA | 1528685245 | Certified Registered Nurse Anesthetist | Kearney, NE | 2020 |
| Jeanne Greisen, RPH | 1043356702 | Pharmacist | Elk River, MN | 2007 |
| Jessica Greisen | 1972188910 | Physician Assistant | Sacramento, CA | 2021 |
| Jill Greisen, PT, DPT | 1215672233 | Orthopedic Physical Therapist | Omaha, NE | 2022 |
| Joel Greisen, M.D. | 1457387946 | Pediatrics Physician | Lincoln, NE | 2006 |
| Melinda Greisen | 1114573763 | Clinical Social Worker | San Diego, CA | 2019 |
| Raeann Greisen | 1407736713 | Naturopath | San Diego, CA | 2025 |
| Rosemary Greisen | 1407388218 | Pharmacist | Roseville, CA | 2017 |
| Sara Greisen, PA-C | 1962456111 | Physician Assistant | Lincoln, NE | 2006 |
| Lisa Greisen Dufficy | 1124987060 | Pharmacist | Denver, CO | 2026 |
| William Greiser, MD | 1720114408 | Emergency Medicine Physician | Trinidad, CO | 2007 |
| Jaime Greishaw | 1174879910 | Speech-Language Pathologist | Zapata, TX | 2012 |
| Martha Greishaw, ARNP | 1366490476 | Family Nurse Practitioner | Gainesville, FL | 2006 |
| Damian Greisiger, FNP-C | 1497433288 | Family Nurse Practitioner | Rochester Hills, MI | 2023 |
| David Greisiger, PTA | 1851598080 | Respiratory/Developmental/Rehabilitative Specialist/Technologist | Toledo, OH | 2007 |
| Daniel Greising, DDS, MS | 1962593855 | Periodontics | Palatine, IL | 2006 |
| Joanne Grace Greising, MD | 1043748874 | Internal Medicine Physician | Youngstown, OH | 2017 |
| Lisa Greising, M.D. | 1578523155 | Internal Medicine Physician | Chicago, IL | 2006 |
| Megan Greising, PA-C | 1932336914 | Medical Physician Assistant | Aurora, CO | 2009 |
| Michael Greising, MD | 1629071329 | Internal Medicine Physician | Park Ridge, IL | 2005 |
| Rachel Greising | 1053045682 | Occupational Therapist | Jersey Shore, PA | 2022 |
| Jamie Greisinger, DPT | 1164952016 | Physical Therapist | Elm Grove, WI | 2017 |
| Kam Greisinger | 1609290006 | Occupational Therapy Assistant | Archbold, OH | 2014 |
| Natalie Greisl, PHARMD | 1750266235 | Oncology Pharmacist | Fishers, IN | 2025 |
| Christina Greisler, APRN | 1386052710 | Family Nurse Practitioner | Rocky Hill, CT | 2014 |
| Grant Greisler, ATC, LAT | 1881085561 | Athletic Trainer | Richboro, PA | 2015 |
| Howard Greisler, MD | 1124092218 | Vascular Surgery Physician | Maywood, IL | 2006 |
| Joanna Greisler, CRNP | 1346673415 | Pediatric Nurse Practitioner | Frederick, MD | 2013 |
| Michael Greisler, PSY.D., LCSW | 1164509030 | Clinical Psychologist | Wexford, PA | 2006 |
| Alfred Greisman, M.D. | 1215908413 | Orthopaedic Surgery Physician | Middletown, NJ | 2006 |
| Baila Greisman | 1700623501 | Specialist | Brooklyn, NY | 2024 |
| Batsheva Greisman | 1164962775 | Occupational Therapist | Cleveland Heights, OH | 2017 |
| Bernard Greisman, M.D. | 1740376516 | Obstetrics & Gynecology Physician | Charleston, WV | 2006 |
| Elizabeth Greisman | 1215829825 | Social Worker | Baltimore, MD | 2025 |
| Giselle Greisman, CN | 1841051307 | Nutritionist | Mercer Island, WA | 2024 |
| Harvey Greisman | 1629153457 | Hematology (Pathology) Physician | Seattle, WA | 2006 |
| Jacob Greisman | 1609570944 | Student in an Organized Health Care Education/Training Program | Portland, OR | 2023 |
| Laura Greisman, M.D. | 1780927194 | Hospitalist Physician | New York, NY | 2013 |
| Lisa Greisman, M.D | 1740231513 | Infectious Disease Physician | Baltimore, MD | 2006 |
| Moussia Greisman | 1376040931 | Specialist | Brooklyn, NY | 2018 |
| Richard Greisman, M.D. | 1619931854 | Orthopaedic Surgery Physician | Ardmore, OK | 2006 |
| Shoshana Greisman | 1063398816 | Speech-Language Pathologist | Brooklyn, NY | 2025 |
| Stephaine Greisman | 1134198831 | Nurse Practitioner | Baltimore, MD | 2006 |
| Stewart Greisman, M.D. | 1710978812 | Rheumatology Physician | New York, NY | 2005 |
| Stewart Greisman, D.O. | 1831201607 | Emergency Medicine Physician | Avon, CO | 2006 |
| Theresa Greisman | 1851109755 | Personal Care Attendant | Las Vegas, NV | 2024 |
| Lucy Greisner, LPCC | 1659233591 | Mental Health Counselor | Lexington, KY | 2025 |
| William Greisner, MD | 1720095334 | Allergy & Immunology Physician | Lexington, KY | 2006 |
| Amal Greiss | 1184878787 | Physical Therapist | Daytona Beach, FL | 2008 |
| Annaliza Greiss | 1497637078 | Behavior Technician | Orange, CA | 2025 |
| Antony Greiss, DMD | 1760006993 | General Practice Dentistry | Toledo, OH | 2020 |
| Christine Greiss, DO | 1043537947 | Physical Medicine & Rehabilitation Physician | Edison, NJ | 2010 |
| Dana Greiss, OD | 1184900078 | Optometrist | Crofton, MD | 2011 |
| Eriny Greiss | 1649197427 | General Practice Dentistry | Friendswood, TX | 2026 |
| Hani Greiss, M.D. | 1801893995 | Diagnostic Radiology Physician | Roseville, CA | 2005 |
| Heidi Greiss, CRNA | 1568436889 | Certified Registered Nurse Anesthetist | Bethlehem, PA | 2006 |
| Hisham Greiss, MD, PHD | 1437413978 | Medical Technologist | Downers Grove, IL | 2012 |
| Jennifer Greiss, MPT | 1437297363 | Physical Therapist | Berwyn, IL | 2007 |
| Kamal Greiss, M.D. | 1245325034 | Endocrinology, Diabetes & Metabolism Physician | Jersey City, NJ | 2006 |
| Karleigh Greiss, PA-C | 1376214957 | Physician Assistant | Newark, DE | 2021 |
| Nicole Greiss, LMT | 1780555771 | Massage Therapist | Wyomissing, PA | 2025 |
| Mary Greiss-Coult, D.O. | 1811006646 | Obstetrics & Gynecology Physician | Allentown, PA | 2006 |
| Theresa Greissel, RBT | 1124507108 | Other Technician | Lubbock, TX | 2018 |
| Maria Greissing, NP | 1760252084 | Nurse Practitioner | Washington, DC | 2024 |
| Alison Greissinger | 1194674564 | Behavior Technician | Libertyville, IL | 2026 |
| April Greissinger, PA-C | 1225559164 | Physician Assistant | Winston Salem, NC | 2017 |
| Georgann Greissinger, FNP CNM | 1962499830 | Family Nurse Practitioner | Shell Knob, MO | 2005 |
| Julie Greissinger, DO | 1427076868 | Psychiatry Physician | Erie, PA | 2006 |
| Michelle Greissinger, LAC | 1306274287 | Acupuncturist | Tigard, OR | 2013 |
| Michelle Greissinger, DMD | 1780780122 | General Practice Dentistry | Atlanta, GA | 2006 |
| William Greissinger, DO | 1194700641 | Emergency Medicine Physician | Erie, PA | 2005 |
| Allan Greissman, M.D | 1093800740 | Pediatric Critical Care Medicine Physician | Hollywood, FL | 2006 |
| Lauren Greissman | 1568612950 | Speech-Language Pathologist | Melville, NY | 2008 |
| Ronnie Greissman, DPM | 1659641850 | Podiatrist | Boynton Beach, FL | 2012 |
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).