Providers Eric Greidinger, MD to Douglas Greiner
300 individual NPIs in the federal registry, part 8,304 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. 108 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Eric Greidinger, MD | 1255369203 | Rheumatology Physician | Columbus, OH | 2006 |
| George Greidinger, M.D. | 1548594617 | General Practice Physician | Columbia, MD | 2009 |
| Larry Greidinger, OD | 1649278839 | Optometrist | Lawrenceville, NJ | 2005 |
| Deanna Greier | 1982474920 | Case Manager/Care Coordinator | Salem, OH | 2024 |
| Karin Greier, PT | 1285798223 | Physical Therapist | San Francisco, CA | 2006 |
| Laura Greier | 1003208000 | Developmental Therapist | Loves Park, IL | 2015 |
| Maria Greier, APRN-C | 1699432922 | Primary Care Nurse Practitioner | Columbiana, OH | 2021 |
| Neil Greier | 1518345628 | Athletic Trainer | Dayton, OH | 2015 |
| Ryan Greier | 1831927557 | Student in an Organized Health Care Education/Training Program | Salem, OH | 2024 |
| Sharon Greier, M.S. SP. ED. | 1790151835 | Specialist | Amherst, NY | 2015 |
| Stephanie Greier, LPCC | 1316418205 | Professional Counselor | Minneapolis, MN | 2018 |
| Brittany Greiert, PHD | 1740032572 | Clinical Psychologist | Denver, CO | 2024 |
| Alexa Greif | 1457783250 | Occupational Therapist | Chicago, IL | 2013 |
| Alissa Greif, LSW | 1548393853 | Social Worker | Chicago, IL | 2007 |
| Amy Greif | 1831105345 | Social Worker | Farmington, MO | 2006 |
| Andrew Greif, MA | 1588901342 | Marriage & Family Therapist | Burbank, CA | 2013 |
| Angela Greif, MD | 1568441905 | Hospitalist Physician | Anamosa, IA | 2006 |
| Ann-Margaret Greif, R.N. | 1619257656 | Registered Nurse | Milwaukee, WI | 2011 |
| Benjamin Greif, MD | 1568723195 | Vascular Surgery Physician | Scranton, PA | 2012 |
| Benjamin Greif, M.D. | 1700702271 | Psychiatry Physician | Charleston, SC | 2026 |
| Charlotte Greif | 1376239913 | Student in an Organized Health Care Education/Training Program | San Antonio, TX | 2023 |
| Courtney Greif, MA, LMHC, LPC | 1548736184 | Mental Health Counselor | Vancouver, WA | 2018 |
| Cynthia Greif, BSW | 1922012822 | Social Worker | Farmington, MO | 2006 |
| Dakotah Greif, DPT | 1528517653 | Physical Therapist | Rising Sun, MD | 2016 |
| Dan Greif, PSYD | 1194158402 | Psychologist | Boston, MA | 2013 |
| Daniel Greif, M.D. | 1861673691 | Cardiovascular Disease Physician | Guilford, CT | 2007 |
| David Greif, DC | 1295830545 | Chiropractor | Albuquerque, NM | 2006 |
| Don Greif, PHD | 1275733271 | Clinical Psychologist | New York, NY | 2007 |
| Dylan Greif, MD | 1578149464 | Student in an Organized Health Care Education/Training Program | Rochester, NY | 2021 |
| Elaine Greif, PH.D. | 1174666853 | Clinical Psychologist | Portland, OR | 2007 |
| Eric Greif, D.O. | 1528341203 | Diagnostic Radiology Physician | Patchogue, NY | 2011 |
| Erika Greif, LMSW | 1972803872 | School Social Worker | Flushing, NY | 2010 |
| Esther Greif, LCSW | 1629196589 | Clinical Social Worker | Merrick, NY | 2007 |
| Gabriella Greif, PT, DPT | 1457892929 | Physical Therapist | Dallas, TX | 2017 |
| Grant Greif, DDS | 1790385508 | General Practice Dentistry | Warsaw, IN | 2020 |
| Janet Greif, LCSW | 1023143351 | Clinical Social Worker | Naperville, IL | 2007 |
| Jason Greif, PSY.D. | 1174646525 | Clinical Psychologist | Bellingham, WA | 2007 |
| John Greif, DDS, MSD | 1194749309 | Periodontics | Evansville, IN | 2006 |
| Jon Greif, D.O. | 1306958095 | Surgery Physician | Oakland, CA | 2006 |
| Judith Greif, RN, MS, APNC | 1952500357 | Nurse Practitioner | Plainsboro, NJ | 2007 |
| Jules Greif, MD | 1942283056 | Pediatrics Physician | Dallas, TX | 2005 |
| Julie Greif, L.AC , PHD | 1457434581 | Acupuncturist | Rancho Palos Verdes, CA | 2006 |
| Laura Greif, LMT | 1295598738 | Massage Therapist | La Grande, OR | 2024 |
| Madelyne Greif, LNM | 1306099874 | Advanced Practice Midwife | New London, CT | 2008 |
| Madison Greif, PA | 1295212975 | Medical Physician Assistant | Baltimore, MD | 2018 |
| Natalie Greif | 1134838451 | Behavior Technician | Monrovia, CA | 2022 |
| Nina Greif, D.O. | 1083827380 | Psychiatry Physician | Huntington, NY | 2007 |
| Paul Greif, M.D. | 1770557027 | Pulmonary Disease Physician | Philadelphia, PA | 2006 |
| Rebecca Greif | 1215705389 | Community Health Worker | Saginaw, MI | 2023 |
| Rebecca Greif, PSY.D. | 1548695281 | Psychologist | New York, NY | 2013 |
| Richard Greif, MD | 1114968799 | Cardiovascular Disease Physician | Yonkers, NY | 2006 |
| Robert Greif | 1093721516 | Social Worker | Farmington, MO | 2006 |
| Rochelle Greif | 1760716138 | Rehabilitation Practitioner | Los Angeles, CA | 2009 |
| Ronald Greif, DDS | 1659436673 | Dentist | St Louis, MO | 2006 |
| Roy Greif, RPH. | 1194982546 | Pharmacist | Brooklyn, NY | 2008 |
| Russell Greif, D.O. | 1669519765 | Internal Medicine Physician | Lancaster, CA | 2007 |
| Santina Greif, PHARM.D., RPH. | 1790904043 | Pharmacist | Chicago, IL | 2007 |
| Sarah Greif, PHD | 1114879939 | Clinical Neuropsychologist | Santa Monica, CA | 2026 |
| Shana Greif | 1447644885 | Clinical Cardiac Electrophysiology Physician | Charlotte, NC | 2015 |
| Shelby Greif, PTA | 1629865688 | Physical Therapy Assistant | Keene, NH | 2025 |
| Sherri Greif, F.N.P. | 1336371954 | Family Nurse Practitioner | Oxnard, CA | 2009 |
| Steven Greif, DDS | 1306010343 | Dentist | Cedar Rapids, IA | 2008 |
| Stuart Greif, PSY.D. | 1881626521 | Clinical Psychologist | Lakeland, FL | 2006 |
| Taylor Greif, OD | 1093447005 | Optometrist | Shelbyville, KY | 2022 |
| Trenton Greif, MD | 1285371567 | Dermatology Physician | Kansas City, KS | 2022 |
| W. Greif, M.D. | 1801863535 | Diagnostic Radiology Physician | San Antonio, TX | 2006 |
| William Greif, MD | 1013095108 | Surgery Physician | Walnut Creek, CA | 2006 |
| Cynthia Greif-Neill, LMFT | 1497794853 | Marriage & Family Therapist | Walnut Creek, CA | 2006 |
| Augustus Greife | 1093335192 | Physical Therapist | Eagle River, WI | 2020 |
| Catherine Greife, M.S. OTR/L | 1841619822 | Occupational Therapist | San Diego, CA | 2014 |
| Debbie Greife, CRNA | 1346207594 | Certified Registered Nurse Anesthetist | Charlotte, NC | 2006 |
| Mary Greife | 1003225442 | Speech-Language Pathologist | Harrisonville, MO | 2014 |
| Racia Greife | 1144048034 | Peer Specialist | Fairbanks, AK | 2024 |
| Lauren Greifenberg | 1093576555 | Physician Assistant | Grand Rapids, MI | 2024 |
| John Greifenkamp, MD | 1396712980 | Internal Medicine Physician | Longview, TX | 2006 |
| Jonathan Greifenkamp, MD | 1235333808 | Cardiovascular Disease Physician | Longview, TX | 2007 |
| Elaine Greifenstein, M.D. | 1740249754 | Rheumatology Physician | Lakewood Ranch, FL | 2006 |
| Henry Greifenstein, RPH | 1295852382 | Pharmacist | Chicago, IL | 2007 |
| Andrew Greifer, PH.D., M.S.W. | 1780825802 | Clinical Social Worker | Ann Arbor, MI | 2009 |
| Donna Greifer, PHD | 1841476173 | Psychologist | Altamonte Springs, FL | 2008 |
| Joanne Greifer, RN | 1568173979 | School Registered Nurse | Maricopa, AZ | 2022 |
| Jonathan Greifer, M.D. | 1528080082 | Family Medicine Physician | Duluth, GA | 2006 |
| Kristyn Greifer, MD | 1255441077 | Internal Medicine Physician | Atlanta, GA | 2006 |
| Lois Greifer, PHD | 1801948153 | Psychologist | Ny, NY | 2007 |
| Melanie Greifer, M.D. | 1326164179 | Pediatric Gastroenterology Physician | New York, NY | 2007 |
| Susan Greifer, MSW | 1609007988 | Clinical Social Worker | Los Angeles, CA | 2009 |
| Bridget Greiff, OTR/L | 1710122494 | Pediatric Occupational Therapist | Olympia, WA | 2008 |
| Emily Greiff | 1699191601 | Mechanotherapist | Vancouver, WA | 2014 |
| Jared Greiff | 1477924454 | Developmental Therapist | Southborough, MA | 2015 |
| Jean Greiff, LICSW | 1285862722 | Social Worker | Millis, MA | 2009 |
| Jeffrey Greiff, M.D. | 1780738054 | Family Medicine Physician | Plantation, FL | 2007 |
| Kenneth Greiff, LCSW | 1033367297 | Clinical Social Worker | Philadelphia, PA | 2008 |
| Lance Greiff, DPM | 1477614501 | Foot & Ankle Surgery Podiatrist | Great Neck, NY | 2006 |
| Marika Greiff, MD | 1699829044 | Spinal Cord Injury Medicine Physician | Chicago, IL | 2007 |
| Rachel Greiff | 1497187967 | Dental Assistant | Vancouver, WA | 2013 |
| Richard Greiff, DDS | 1134135270 | General Practice Dentistry | O Fallon, IL | 2006 |
| Tamara Greiff | 1194201228 | Behavior Technician | Bolingbrook, IL | 2018 |
| Vicki Greiff, MD | 1568441566 | Geriatric Medicine (Internal Medicine) Physician | Green Valley, AZ | 2006 |
| Abby Greiffendorf, RN | 1477893238 | Child & Adolescent Psychiatric/Mental Health Registered Nurse | Benton Harbor, MI | 2013 |
| Patrick Greiffenstein, M.D. | 1013108174 | Trauma Surgery Physician | New Orleans, LA | 2007 |
| David Greifinger, M.D. | 1043213499 | Orthopaedic Surgery Physician | Belleville, NJ | 2005 |
| Rhonda Greifinger, O.D. | 1376530915 | Optometrist | Monroe, CT | 2005 |
| Robert Greifinger, MD | 1174617484 | Preventive Medicine/Occupational Environmental Medicine Physician | Dobbs Ferry, NY | 2006 |
| Roni Greifner, MD | 1033386164 | Psychiatry Physician | Denver, CO | 2008 |
| Heidi Greifzu, APRN, MHNP | 1386260370 | Psychiatric/Mental Health Nurse Practitioner | Duluth, MN | 2020 |
| Kristen Greifzu | 1619846136 | Behavior Technician | Murphy, NC | 2025 |
| Abigail Greig, COTA/L | 1720890247 | Occupational Therapy Assistant | Highland Heights, OH | 2025 |
| Alexandria Greig | 1487576641 | Developmental Therapist | Indianapolis, IN | 2026 |
| Amanda Greig, M.S., CCC-SLP | 1477852671 | Speech-Language Pathologist | Belton, MO | 2011 |
| Amy Greig | 1063652956 | Physical Therapist | Marysville, WA | 2009 |
| Amy Greig | 1861322075 | Speech-Language Pathologist | Muskego, WI | 2026 |
| Analisa Greig, LLMSW | 1801560826 | Clinical Social Worker | Okemos, MI | 2021 |
| Andrea Greig, RN | 1568867919 | School Registered Nurse | Niagara Falls, NY | 2014 |
| Ann Greig, FNP | 1932250958 | Family Nurse Practitioner | New York, NY | 2007 |
| Ashley Greig | 1063210508 | Case Manager/Care Coordinator | Cincinnati, OH | 2025 |
| Astrea Greig, PSY.D. | 1346657384 | Psychologist | Boston, MA | 2014 |
| Bo Greig, D.C. | 1689945156 | Chiropractor | Elk River, MN | 2012 |
| Brandilynn Greig, SP | 1417171539 | Speech-Language Pathologist | Firestone, CO | 2007 |
| Brandon Greig, DDS | 1598297772 | General Practice Dentistry | Muskegon, MI | 2017 |
| Brandy Greig, CNP | 1659989499 | Family Nurse Practitioner | Lancaster, OH | 2020 |
| Brenda Greig, LADC | 1184274334 | Addiction (Substance Use Disorder) Counselor | Chanhassen, MN | 2019 |
| Brittany Greig, MMT, CPT, MT | 1508341173 | Massage Therapist | Oconomowoc, WI | 2018 |
| Cameron Greig | 1568269736 | Behavior Technician | Farmington Hills, MI | 2025 |
| Carrie Greig, FNP | 1679363238 | Nurse Practitioner | Dansville, NY | 2025 |
| Chasen Greig, M.D. | 1649513466 | Surgery Physician | Hartford, CT | 2013 |
| Cheryl Greig | 1679342950 | Behavior Technician | Concord, CA | 2023 |
| Chloe Greig | 1962320168 | Registered Nurse | Pontiac, MI | 2026 |
| Christina Greig, MD | 1467799502 | Family Medicine Physician | Fairfield, CA | 2013 |
| Christina Greig, AGACNP-BC | 1568971497 | Acute Care Nurse Practitioner | Beachwood, OH | 2017 |
| Christy Greig, AU.D. | 1164683983 | Audiologist-Hearing Aid Fitter | Beaumont, TX | 2008 |
| Dana Greig, DDS | 1851823116 | General Practice Dentistry | New City, NY | 2017 |
| Daniel Greig | 1336693563 | Behavior Analyst | Worcester, MA | 2016 |
| Danny Greig, M.D. | 1366484271 | Family Medicine Physician | Beaverton, MI | 2006 |
| Diane Greig, RN, MJN | 1992029151 | Registered Nurse | Burnsville, MN | 2010 |
| Elizabeth Greig, M.D. | 1437476462 | Internal Medicine Physician | Miami, FL | 2010 |
| Emily Greig | 1366051211 | Pharmacist | Morgantown, WV | 2020 |
| Ethan Greig | 1598330458 | Behavior Technician | San Diego, CA | 2021 |
| Fenella Greig, M.D. | 1871562470 | Pediatric Allergy/Immunology Physician | New York, NY | 2006 |
| Grace Greig, MD | 1073460044 | Student in an Organized Health Care Education/Training Program | Saint Joseph, MI | 2026 |
| Hannah Greig | 1780428391 | Occupational Therapist | Kalamazoo, MI | 2024 |
| James Greig, MD FACS | 1720043706 | Vascular Surgery Physician | Honolulu, HI | 2006 |
| Jenna Greig, LPC | 1487365060 | Mental Health Counselor | Chicago, IL | 2022 |
| Jessica Greig | 1982391850 | Medical Physician Assistant | Minneapolis, MN | 2023 |
| Julie Greig, LVN | 1285990028 | Licensed Vocational Nurse | Magalia, CA | 2012 |
| Justine Greig | 1205768504 | Professional Counselor | Eagan, MN | 2026 |
| Katherine Greig, LCSWA, MSW, LGSW | 1154791689 | Clinical Social Worker | Wilmington, NC | 2015 |
| Katherine Greig, LISW | 1376667352 | Clinical Social Worker | Cleveland, OH | 2007 |
| Kyle Greig | 1841937794 | Case Manager/Care Coordinator | Cleveland, OH | 2022 |
| Lindsey Greig | 1275467672 | Registered Nurse | Ann Arbor, MI | 2026 |
| Lloyd Greig, M.D. | 1710999222 | Obstetrics & Gynecology Physician | Beverly Hills, CA | 2006 |
| Luciano Greig | 1154850956 | Ophthalmology Physician | San Francisco, CA | 2017 |
| Margaret Greig, PH.D. | 1518313568 | Marriage & Family Therapist | San Jose, CA | 2016 |
| Maricar Greig | 1902504277 | Addiction (Substance Use Disorder) Counselor | Anchorage, AK | 2023 |
| Mark Greig, O.M.D | 1134537913 | Acupuncturist | Clearwater, FL | 2014 |
| Mindy Greig, PTA | 1437552619 | Physical Therapy Assistant | Chatham, NJ | 2014 |
| Natalie Greig, RBT | 1457075723 | Behavior Technician | Birmingham, AL | 2022 |
| Patricia Greig, CCC-SLP | 1295076867 | Speech-Language Pathologist | Germantown, TN | 2013 |
| Phillip Greig, M.D. | 1851491633 | Maternal & Fetal Medicine Physician | Greenville, SC | 2006 |
| Rebecca Greig, OTR/L | 1952117558 | Occupational Therapist | Felton, DE | 2024 |
| Rebekah Greig | 1629748744 | Mental Health Counselor | Antioch, CA | 2021 |
| Sally Greig, MSW LCSW | 1578605945 | Social Worker | Beverly Hills, CA | 2007 |
| Samantha Greig, PHYSICAL THERAPIST | 1568136562 | Physical Therapist | Loveland, CO | 2021 |
| Scott Greig, A.P. | 1164400099 | Acupuncturist | Fort Lauderdale, FL | 2005 |
| Shandra Greig | 1063432805 | Family Medicine Physician | Silverton, OR | 2006 |
| Shanon Greig | 1851225361 | Mental Health Counselor | Winston Salem, NC | 2026 |
| Tamasine Greig, PHD | 1497073118 | Psychologist | Stamford, CT | 2010 |
| Tammy Greig, LPTA | 1801043161 | Physical Therapy Assistant | South Milwaukee, WI | 2008 |
| Taylor Greig, LMHCA | 1932958055 | Mental Health Counselor | Wenatchee, WA | 2024 |
| Thomas Greig, MD, MPH, MSIST | 1104788017 | Aerospace Medicine Physician | Oakton, VA | 2025 |
| Tiffany Greig | 1427325471 | Pharmacist | Hampton, VA | 2011 |
| Elizabeth Greig-Moore, D.D.S. | 1073784187 | General Practice Dentistry | Westminster, MD | 2008 |
| Nicolas Greige, MD, MSC | 1457938383 | Student in an Organized Health Care Education/Training Program | Washington, DC | 2021 |
| Rita Greige, PA-C | 1366088726 | Physician Assistant | Rochester Hills, MI | 2019 |
| Tatiana Greige, MD | 1922637826 | Vascular Neurology Physician | Scarborough, ME | 2020 |
| Victoria Greige, FNP-C | 1619731759 | Family Nurse Practitioner | Fairfax, VA | 2024 |
| Ariana Greige Andreiev | 1023835857 | Behavior Technician | Coral Gables, FL | 2024 |
| Afarin Greiger, M.D. | 1518999044 | Obstetrics & Gynecology Physician | Southborough, MA | 2006 |
| Roger Greiger, M.D. | 1427015627 | Psychiatry Physician | Everett, MA | 2006 |
| Paola Greiger-Zanlungo, M.D. | 1306824339 | Internal Medicine Physician | Mt Vernon, NY | 2006 |
| Sonia Greigo, CASEMANAGER | 1407184823 | Case Manager/Care Coordinator | Los Lunas, NM | 2009 |
| Shannon Greika | 1831496348 | Midwife | Bargersville, IN | 2011 |
| Franz Greil, M.D. ,PH.D. | 1922486851 | Pediatric Cardiology Physician | Dallas, TX | 2015 |
| Georgina Greil, D.O | 1699949776 | Obstetrics & Gynecology Physician | Elk River, MN | 2008 |
| Jenner Greil, ARNP | 1871748772 | Family Nurse Practitioner | Portland, ME | 2008 |
| Kerry Greil, PTA | 1013116482 | Physical Therapy Assistant | Hillsboro, MO | 2007 |
| Madeline Greil, MD | 1245764984 | Neurological Surgery Physician | Salt Lake City, UT | 2017 |
| Sarah Greil, MS, LPC, CSAC | 1184963159 | Professional Counselor | New Berlin, WI | 2013 |
| Silke Greil, MD | 1487697728 | Internal Medicine Physician | Dearborn, MI | 2006 |
| Jessica Greil-Burkhart | 1275987414 | Clinical Social Worker | Thomasville, GA | 2016 |
| Eric Greilach | 1740008168 | Behavior Technician | Montclair, CA | 2024 |
| Mareike Greiler, MS CFY SLP | 1598992950 | Speech-Language Pathologist | Wichita Falls, TX | 2009 |
| Diane Greilich, M.D. | 1326006164 | General Practice Physician | Ft Carson, CO | 2006 |
| Nancy Greilich, MD | 1649232422 | Anesthesiology Physician | Dallas, TX | 2006 |
| Philip Greilich, MD | 1992760078 | Anesthesiology Physician | Dallas, TX | 2006 |
| Rachel Greilich | 1578108791 | Behavior Technician | Roseville, CA | 2019 |
| Taylor Greilich | 1710714621 | Social Worker | Bellevue, OH | 2024 |
| Rebekah Greilick, MA | 1992461842 | Psychologist | Troy, MI | 2021 |
| Heather Greiling, APNP | 1861879462 | Nurse Practitioner | Wautoma, WI | 2015 |
| Sue Greiling, ARNP | 1417011503 | Nurse Practitioner | Snoqualmie, WA | 2006 |
| Teri Greiling, MD, PHD | 1609168913 | Dermatology Physician | Portland, OR | 2011 |
| Victoria Greilinger | 1790490175 | Medical Physician Assistant | Hartford, WI | 2023 |
| Howard Greils, M.D. | 1073898458 | Psychiatry Physician | Los Angeles, CA | 2011 |
| Ava Greim | 1902615735 | Physician Assistant | Charlotte, NC | 2025 |
| Caroline Greim | 1346709078 | Community Health Worker | Worland, WY | 2019 |
| Charles Greim, MD | 1790714970 | Physical Medicine & Rehabilitation Physician | Pittsburgh, PA | 2006 |
| Christopher Greim, BSW | 1790424091 | Mental Health Counselor | Quincy, MA | 2022 |
| Jessica Greim, DPT, PT | 1003103284 | Pediatric Physical Therapist | Los Angeles, CA | 2011 |
| Keith Greim | 1578621082 | Clinical Social Worker | Ozone Park, NY | 2006 |
| Marci Greim | 1295057214 | Speech-Language Pathologist | San Diego, CA | 2010 |
| Nicole Greim | 1235525437 | Physical Therapist | Attleboro, MA | 2015 |
| Patricia Greim, PMHNP-BC | 1942809280 | Psychiatric/Mental Health Nurse Practitioner | Kirkland, WA | 2020 |
| Zoe Greim, ATC | 1972095487 | Athletic Trainer | West Columbia, SC | 2018 |
| Laura Greiman, MPH, RD | 1093889925 | Registered Dietitian | San Diego, CA | 2006 |
| Marshall Greiman, MD | 1376657957 | Otolaryngology Physician | Clive, IA | 2006 |
| Michelle Greiman, FNP-C | 1982354817 | Family Nurse Practitioner | Urbandale, IA | 2022 |
| Robert Greiman, LCSW | 1154480200 | Clinical Social Worker | Wright Patterson, OH | 2006 |
| Tiffany Greiman, NP | 1225583388 | Nurse Practitioner | Quincy, IL | 2016 |
| Travis Greiman, M.D. | 1205271376 | Family Medicine Physician | Hudson, WI | 2013 |
| Tristyn Greiman, PHARMD, RPH | 1306446927 | Pharmacist | Boerne, TX | 2020 |
| Carol Greimann, MD | 1871540187 | Internal Medicine Physician | Hardin, MT | 2006 |
| Emma Greimann, MD | 1528704384 | Allergy & Immunology Physician | Ann Arbor, MI | 2022 |
| Kendyl Greimann, DC | 1962041061 | Chiropractor | Madison, WI | 2020 |
| Marcia Greimann, OT | 1871937664 | Occupational Therapist | Northridge, CA | 2013 |
| Mary Greimann | 1205287554 | Physical Therapist | Thornton, CO | 2016 |
| Deborah Greimel, M.D. | 1215029095 | Internal Medicine Physician | Laurinburg, NC | 2006 |
| Liliana Greimel | 1780382655 | Behavior Technician | Livonia, MI | 2023 |
| Ana Grein, SLP CCC TSHH B EXT | 1356650923 | Speech-Language Pathologist | Brooklyn, NY | 2010 |
| Andrew Grein, MD | 1992811566 | Pediatrics Physician | Hendersonville, NC | 2006 |
| Debra Grein, R.D. | 1063503407 | Registered Dietitian | Grand Junction, CO | 2006 |
| George Grein, D.D.S. | 1811040579 | General Practice Dentistry | East Lansing, MI | 2007 |
| Heather Grein, RN, ACPNP | 1770680316 | Critical Care Pediatric Nurse Practitioner | Dallas, TX | 2006 |
| Jonathan Grein, MD | 1295956092 | Internal Medicine Physician | Los Angeles, CA | 2007 |
| Katherine Grein, PHD | 1962141374 | Clinical Psychologist | Baltimore, MD | 2022 |
| Kelly Grein, APRN-FNP-C | 1407455421 | Family Nurse Practitioner | Ste Genevieve, MO | 2020 |
| Mandy Grein | 1356205231 | Day Training/Habilitation Specialist | Fairbury, NE | 2025 |
| Rebecca Grein, ND | 1346097508 | Naturopath | Stratford, OK | 2024 |
| Ronald Grein | 1497606834 | Mental Health Counselor | Oakley, CA | 2026 |
| Stephanie Grein, LCPC | 1861927667 | Mental Health Counselor | Lockport, IL | 2017 |
| Theresa Grein | 1568312700 | Behavior Technician | McMinnville, OR | 2026 |
| Ashley Greindl | 1497321269 | Behavior Technician | Debary, FL | 2021 |
| Brian Greineder, LPC | 1639546740 | Professional Counselor | Lancaster, PA | 2015 |
| Colin Greineder, MD | 1679648232 | Emergency Medicine Physician | Ann Arbor, MI | 2006 |
| Jennifer Greineder, MHS, NCC, LPC | 1417320888 | Professional Counselor | Lancaster, PA | 2015 |
| Theresa Greineder | 1952880007 | Licensed Vocational Nurse | Paris, TX | 2018 |
| Alyssa Greineisen, PAY.D. | 1912558982 | Clinical Psychologist | Hampton, VA | 2019 |
| Carissa Greinel-Blum | 1710137450 | General Practice Dentistry | Albuquerque, NM | 2008 |
| Abigail Greiner | 1881914851 | Acupuncturist | Barrington, RI | 2010 |
| Alexander Greiner, M.D., PH.D. | 1437840626 | Internal Medicine Physician | Iowa City, IA | 2023 |
| Alexander Greiner, M.D. | 1609801299 | Allergy & Immunology Physician | San Diego, CA | 2006 |
| Alicia Greiner, DPT | 1154669224 | Orthopedic Physical Therapist | Madison, WI | 2013 |
| Alison Greiner, LCSW | 1982639308 | Clinical Social Worker | El Segundo, CA | 2006 |
| Amy Greiner | 1245885508 | Massage Therapist | East Amherst, NY | 2019 |
| Andrea Greiner, MD | 1427016716 | Maternal & Fetal Medicine Physician | Iowa City, IA | 2006 |
| Andrea Greiner, ND | 1669876371 | Naturopath | Canby, OR | 2014 |
| Andrea Greiner | 1750199931 | School Psychologist | Salisbury, MD | 2024 |
| Andrew Greiner | 1649720004 | Physician Assistant | Chicago, IL | 2016 |
| Angela Greiner, MD | 1770965600 | Maternal & Fetal Medicine Physician | Dickinson, ND | 2015 |
| Ann Greiner, RKT | 1558375261 | Kinesiotherapist | Battle Creek, MI | 2006 |
| Ann Greiner, MD | 1871592279 | Anesthesiology Physician | Camp Hill, PA | 2005 |
| Anna Greiner, P.A.-C | 1790736981 | Physician Assistant | Superior, WI | 2006 |
| Ashley Greiner, ARNP | 1194183756 | Gerontology Nurse Practitioner | Kalona, IA | 2016 |
| Ashley Greiner, M.D., M.P.H. | 1528383221 | Emergency Medicine Physician | Boston, MA | 2010 |
| Austin Greiner | 1962264382 | Behavior Technician | Traverse City, MI | 2024 |
| Benjamin Greiner, DO, MPH | 1902428212 | Internal Medicine Physician | Tulsa, OK | 2020 |
| Benjamin Greiner, DO | 1992332308 | Diagnostic Radiology Physician | Columbia, MO | 2020 |
| Betsy Greiner | 1912100447 | Physical Therapy Assistant | North Canton, OH | 2007 |
| Beverly Greiner, LCSW | 1689750440 | Clinical Social Worker | Lubbock, TX | 2006 |
| Bobbi Greiner, OTD, OTR/L | 1780641258 | Pediatric Occupational Therapist | Papillion, NE | 2006 |
| Brandon Greiner, PA | 1841448651 | Physician Assistant | Mc Murray, PA | 2008 |
| Breanne Greiner | 1649997693 | Behavior Technician | Grand Rapids, MI | 2022 |
| Brigit Greiner | 1508714320 | Behavior Technician | Hiawatha, IA | 2026 |
| Brooke Greiner, MS, OTR | 1790997849 | Occupational Therapist | Seattle, WA | 2007 |
| Cameron Greiner, DO | 1013845304 | Student in an Organized Health Care Education/Training Program | Des Moines, IA | 2026 |
| Carey Greiner, RBT | 1689268757 | Behavior Technician | San Diego, CA | 2021 |
| Cari Greiner | 1699285254 | Mental Health Counselor | Traverse City, MI | 2017 |
| Carl Greiner, MD | 1033167812 | Psychiatry Physician | Omaha, NE | 2006 |
| Carmen Greiner, LPC | 1881615458 | Mental Health Counselor | Fredericksburg, VA | 2006 |
| Carol Greiner, CRNFA | 1346377884 | Registered Nurse First Assistant | Nashville, TN | 2007 |
| Carrie Greiner, LCSW | 1770210569 | Clinical Social Worker | Oak Lawn, IL | 2022 |
| Chani Greiner | 1821980301 | Acupuncturist | South Grafton, MA | 2025 |
| Chelsea Greiner, BCBA | 1811401268 | Behavior Analyst | Lexington, SC | 2017 |
| Christie Greiner | 1013801455 | Behavior Technician | Columbus, GA | 2025 |
| Christine Greiner, LPN | 1073804225 | Licensed Practical Nurse | Plymouth Meeting, PA | 2011 |
| Christine Greiner | 1386499655 | Mental Health Counselor | Mountlake Terrace, WA | 2024 |
| Christopher Greiner, PHARMD | 1558577445 | Pharmacist | Rathdrum, ID | 2007 |
| Christy Greiner, RDH | 1073187480 | Dental Hygienist | Baltimore, MD | 2021 |
| Courtney Greiner, CRNP | 1699473934 | Family Nurse Practitioner | Lebanon, PA | 2023 |
| Csilla Greiner, LPC | 1033876321 | Professional Counselor | Glen Rock, NJ | 2021 |
| Danielle Greiner, LPCC-SUPV | 1104107242 | Mental Health Counselor | Cleveland, OH | 2011 |
| Danielle Greiner | 1316486418 | Physical Therapist | Littleton, CO | 2017 |
| David Greiner, MD | 1245808146 | Student in an Organized Health Care Education/Training Program | Omaha, NE | 2021 |
| David Greiner, DPM | 1669475786 | Podiatrist | Portsmouth, OH | 2005 |
| Dayna Greiner, CCC-SLP | 1720526080 | Speech-Language Pathologist | Eagleville, PA | 2017 |
| Deborah Greiner, PHARMD | 1477759850 | Pharmacist | Panama City, FL | 2007 |
| Debra Greiner, NPP | 1548438252 | Pediatric Nurse Practitioner | Warwick, RI | 2008 |
| Denise Greiner, AUD | 1639100910 | Audiologist | Chicago, IL | 2006 |
| Diane Greiner, M.D. | 1568462885 | Cardiovascular Disease Physician | San Antonio, TX | 2005 |
| Donavon Greiner | 1245616333 | Physical Therapist | Des Moines, IA | 2015 |
| Doniel Greiner | 1972313153 | Student in an Organized Health Care Education/Training Program | Canton, MO | 2025 |
| Douglas Greiner | 1134930779 | School Psychologist | Salisbury, MD | 2025 |
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).