Providers Isaak Grinman, D.D.S. to Nancy Griparis, RD. LDN.
300 individual NPIs in the federal registry, part 8,362 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. 88 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Isaak Grinman, D.D.S. | 1972728269 | General Practice Dentistry | Brooklyn, NY | 2007 |
| Leon Grinman, DO | 1326608829 | Anesthesiology Physician | Charlottesville, VA | 2019 |
| Lev Grinman, M.D. | 1457511743 | Neurology Physician | Paramus, NJ | 2008 |
| Maksim Grinman, LMSW | 1255658563 | Social Worker | Brooklyn, NY | 2010 |
| Mark Grinman, MD | 1164489829 | Neurology Physician | Myrtle Beach, SC | 2006 |
| Michael Grinman, PHARMD | 1548592819 | Pharmacist | Jackson Heights, NY | 2010 |
| Slava Grinman | 1437390986 | Counselor | Brooklyn, NY | 2009 |
| Valerie Grinman, OTR/L | 1649841578 | Occupational Therapist | Falls Church, VA | 2021 |
| Victoria Grinman | 1205264942 | Clinical Social Worker | Fresh Meadows, NY | 2013 |
| Yevgeny Grinman, O.D. | 1356350540 | Optometrist | Evanston, IL | 2006 |
| Dan Grinmanis, PTA | 1417076183 | Physical Therapy Assistant | Melbourne, FL | 2007 |
| Anne Grinn | 1164157103 | Behavior Technician | Livonia, MI | 2022 |
| Extasy Grinn, LCSW, CAP. ICADC | 1124534912 | Clinical Social Worker | Maryville, TN | 2017 |
| Michael Grinn, M.D | 1376905935 | Anesthesiology Physician | Brooklyn, NY | 2016 |
| Sarah Grinn, AUD | 1952953275 | Audiologist | Mt Pleasant, MI | 2019 |
| Ericka Grinna, MFT | 1346377462 | Marriage & Family Therapist | San Jose, CA | 2007 |
| Kjersten Grinna | 1942963657 | Behavior Analyst | Aurora, CO | 2021 |
| Adriana Grinnage | 1366388977 | Behavior Technician | Tampa, FL | 2026 |
| Amber Grinnage, LPN | 1851839823 | Licensed Practical Nurse | Newark, DE | 2017 |
| Leah Grinnage | 1174903124 | Specialist | Dolton, IL | 2015 |
| Meagan Grinnage-Wright | 1386566248 | Behavior Technician | Rockville, MD | 2026 |
| Daniel Grinnan, M.D. | 1922038496 | Pulmonary Disease Physician | Richmond, VA | 2006 |
| Erin Grinnan | 1265214217 | Speech-Language Pathologist | Saint Peters, MO | 2023 |
| Erin Grinnan | 1821526476 | Community Health Worker | Burlington, CO | 2017 |
| Jack Grinnan, M.D. | 1487090288 | Urology Physician | Mesa, AZ | 2013 |
| Julian Grinnan | 1811887276 | Personal Care Attendant | Belington, WV | 2025 |
| Kristen Grinnan | 1083052328 | Physical Therapist | Washington, PA | 2013 |
| Rachel Grinnan, DO | 1215383815 | Vascular Surgery Physician | San Antonio, TX | 2016 |
| Rachel Grinnan | 1710401294 | Technician/Technologist | Bingham Farms, MI | 2017 |
| Alexis Grinnell | 1639047814 | Behavior Technician | Belleville, WI | 2025 |
| Allison Grinnell | 1538953070 | Behavior Technician | Farmington Hills, MI | 2025 |
| Amber Grinnell | 1083089783 | Family Nurse Practitioner | Pittsburgh, PA | 2015 |
| Audrey Grinnell | 1639695737 | Behavior Analyst | Portland, ME | 2017 |
| Barbara Grinnell, PHD | 1457452799 | Clinical Psychologist | Wynnewood, PA | 2006 |
| Barbara Grinnell | 1639465040 | Mental Health Counselor | Tucson, AZ | 2011 |
| Brett Grinnell, MSW | 1710369715 | Clinical Social Worker | San Diego, CA | 2015 |
| Brianna Grinnell, DO | 1235620378 | Family Medicine Physician | Seattle, WA | 2018 |
| Brittany Grinnell, MS, LPC | 1710614441 | Professional Counselor | Monroeville, PA | 2022 |
| Cara Grinnell | 1447592803 | Physical Therapy Assistant | Colorado City, TX | 2013 |
| Carol Grinnell | 1003740671 | Wound Care Registered Nurse | Austin, TX | 2026 |
| Catherine Grinnell, CNM | 1871134528 | Advanced Practice Midwife | Denver, CO | 2019 |
| Chase Grinnell, DPT | 1073945002 | Physical Therapist | North Chesterfield, VA | 2013 |
| Cheri Grinnell, BS RDH | 1346588936 | Dental Hygienist | Rifle, CO | 2013 |
| David Grinnell, DPT | 1548504681 | Physical Therapist | Salt Lake City, UT | 2012 |
| David Grinnell, OTR/L | 1689961971 | Occupational Therapist | Holyoke, MA | 2011 |
| Deanna Grinnell | 1396124848 | Mental Health Counselor | Beverly, MA | 2015 |
| Deborah Grinnell, RN | 1174776520 | Registered Nurse | New Bedford, MA | 2008 |
| Diane Grinnell, LICSW | 1649366808 | Clinical Social Worker | Eagan, MN | 2006 |
| Emily Grinnell, DPT | 1679443980 | Neurology Physical Therapist | Rockland, ME | 2025 |
| Hope Grinnell | 1942943972 | Clinical Social Worker | Niles, OH | 2022 |
| Jacqueline Grinnell, APRN | 1861045262 | Psychiatric/Mental Health Nurse Practitioner | Aitkin, MN | 2019 |
| Jacquelynn Grinnell | 1821959057 | Counselor | East Liverpool, OH | 2025 |
| James Grinnell, LMFT | 1033396411 | Marriage & Family Therapist | Tulsa, OK | 2008 |
| Jena Grinnell, LCSWR, CSSW | 1598029761 | Social Worker | Amherst, NY | 2012 |
| Jennifer Grinnell, LCPC | 1457500969 | Professional Counselor | Silver Spring, MD | 2008 |
| Jennifer Grinnell | 1558521575 | Surgical Technologist | Louisville, CO | 2008 |
| Kevin Grinnell | 1114446812 | Case Manager/Care Coordinator | Lakeland, FL | 2017 |
| Keysa Grinnell | 1003738717 | Behavior Technician | Ridgeland, MS | 2026 |
| Lacey Grinnell, M.S. | 1437387859 | Professional Counselor | Tulsa, OK | 2009 |
| Latajaha Grinnell | 1366915548 | Case Manager/Care Coordinator | Ferriday, LA | 2019 |
| Lillah Grinnell, NP | 1629336979 | Family Nurse Practitioner | Cheyenne, WY | 2012 |
| Lisa Grinnell, MA, LPCC | 1194052951 | Mental Health Counselor | Albuquerque, NM | 2009 |
| Lisa Grinnell | 1710549100 | Physician Assistant | Glendale, AZ | 2019 |
| Mabel Grinnell, D.C. | 1659392165 | Chiropractor | Jackson, MI | 2006 |
| Madison Grinnell | 1033843032 | Speech-Language Pathologist | Austin, TX | 2022 |
| Madison Grinnell, MD | 1649939109 | Dermatology Physician | Omaha, NE | 2021 |
| Margaret Grinnell | 1487052569 | Peer Specialist | Boulder, CO | 2014 |
| Margaret Grinnell, MD | 1568025567 | Family Medicine Physician | Anchorage, AK | 2019 |
| Matthew Grinnell, PT, DPT | 1881277960 | Physical Therapist | New York, NY | 2021 |
| Meaghan Grinnell, PHARMD | 1467734822 | Pharmacist | Boothbay Hbr, ME | 2011 |
| Megan Grinnell | 1427692102 | Registered Nurse | Florissant, CO | 2019 |
| Melanie Grinnell, BCBA | 1891559167 | Behavior Analyst | Eliot, ME | 2024 |
| Melissa Grinnell, PA-C | 1427300847 | Physician Assistant | Greenville, SC | 2012 |
| Michael Grinnell | 1083082614 | Clinical Social Worker | Jamaica Plain, MA | 2015 |
| Mikayla Grinnell, CF-SLP | 1265019194 | Speech-Language Pathologist | Rapid City, SD | 2021 |
| Morgan Grinnell, PH.D. | 1427536168 | Psychologist | Raleigh, NC | 2018 |
| Natalie Grinnell | 1992099089 | Addiction (Substance Use Disorder) Counselor | Susanville, CA | 2011 |
| Nicholas Grinnell, PA-C | 1568198224 | Physician Assistant | Sequim, WA | 2022 |
| Nicole Grinnell, MSN, APRN, FNP-C | 1154985018 | Family Nurse Practitioner | Lewisburg, TN | 2019 |
| Nikkol Grinnell, APRN | 1962148627 | Family Nurse Practitioner | Pensacola, FL | 2022 |
| Olivia Grinnell | 1568312544 | Athletic Trainer | West Lafayette, IN | 2026 |
| Orton Grinnell, CFA | 1245441898 | Surgical Assistant | Mandeville, LA | 2007 |
| Patricia Grinnell, NP | 1538186457 | Nurse Practitioner | Petaluma, CA | 2006 |
| Petra Grinnell, APRN, FNP-BC | 1386959120 | Family Nurse Practitioner | San Antonio, TX | 2010 |
| Rachel Grinnell | 1154831147 | Speech-Language Pathologist | Frisco, TX | 2017 |
| Rachel Grinnell | 1174097166 | Behavior Technician | Alma, MI | 2019 |
| Ralph Grinnell, APRN, FNP-BC | 1457666109 | Family Nurse Practitioner | San Antonio, TX | 2010 |
| Renee Grinnell | 1871903336 | Student in an Organized Health Care Education/Training Program | Richmond, VA | 2014 |
| Rikel Grinnell | 1336095637 | Behavior Technician | Owosso, MI | 2026 |
| Riley Grinnell | 1326656141 | Professional Counselor | Springfield, MO | 2020 |
| Robert Grinnell, RPH | 1699876524 | Pharmacist | Fond Du Lac, WI | 2006 |
| Roger Grinnell | 1801849518 | Counselor | Las Vegas, NV | 2006 |
| Ryan Grinnell, AT,ATC | 1053989897 | Athletic Trainer | Grand Rapids, MI | 2021 |
| Ryan Grinnell, MD | 1366380164 | Student in an Organized Health Care Education/Training Program | West Hollywood, CA | 2026 |
| Sabrina Grinnell | 1033961230 | Mental Health Counselor | Natchez, MS | 2024 |
| Samantha Grinnell, DPT | 1891208211 | Physical Therapist | Richmond, VA | 2017 |
| Sarah Grinnell, ED.S | 1164607248 | School Psychologist | Boise, ID | 2008 |
| Sarah Grinnell | 1548073323 | Behavior Technician | Boise, ID | 2025 |
| Shelly Grinnell, RN | 1134961030 | Psychiatric/Mental Health Registered Nurse | Madison, WI | 2024 |
| Spencer Grinnell, LMFT | 1518610179 | Marriage & Family Therapist | Cary, NC | 2022 |
| Susan Grinnell, COTA | 1902925563 | Occupational Therapy Assistant | Saluda, SC | 2007 |
| Suzanne Grinnell | 1538980867 | Developmental Therapist | Pocatello, ID | 2024 |
| Tara Grinnell, LPN | 1922492313 | Licensed Practical Nurse | New Hartford, NY | 2015 |
| Thomas Grinnell, LCSW | 1578711685 | Clinical Social Worker | Buffalo, NY | 2008 |
| Timothy Grinnell, PA-C | 1790828119 | Physician Assistant | Waltham, MA | 2007 |
| Velma Grinnell, COTA | 1801941760 | Occupational Therapy Assistant | New Hyde Park, NY | 2007 |
| Victoria Grinnell, MSW | 1629158753 | Clinical Social Worker | San Diego, CA | 2006 |
| Angela Grinnell-Hall, HIS | 1770466500 | Hearing Instrument Specialist | Auburn, CA | 2025 |
| Linda Grinnell-Merrick, A.N.P | 1225063886 | Adult Health Nurse Practitioner | Rochester, NY | 2006 |
| Katharine Grinnell-Noak, PSY.D. | 1356492714 | Clinical Psychologist | Oak Brook, IL | 2007 |
| Karen Grinnen, PHARMD | 1306193313 | Pharmacist | Skokie, IL | 2012 |
| Kathryn Grinnen, DO | 1710102124 | Internal Medicine Physician | Lewes, DE | 2007 |
| Lynda Grinnen, PTA | 1306978531 | Physical Therapy Assistant | Pawleys Island, SC | 2007 |
| Malecka Grinner | 1851072821 | Personal Care Attendant | Henderson, NV | 2023 |
| Terrance Grinner | 1346082666 | Behavior Technician | Bakersfield, CA | 2024 |
| Venesha Grinner | 1598340507 | Personal Care Attendant | Killeen, TX | 2021 |
| Jared Grinney, PA-C | 1902209711 | Physician Assistant | Mesa, AZ | 2014 |
| Michael Grinney, MD | 1972769198 | Emergency Medicine Physician | Jacksonville, FL | 2008 |
| Naomi Grinney, LCSW | 1154966851 | Clinical Social Worker | Fairfax, VA | 2019 |
| Alicia Grinnion, LCSW | 1285355495 | Clinical Social Worker | Chambersburg, PA | 2022 |
| Agripina Grino, MD | 1720039340 | Obstetrics & Gynecology Physician | Paintsville, KY | 2006 |
| Alexandra Grino | 1790003143 | Emergency Medicine Physician | New York, NY | 2010 |
| Cecilia Grino, NP | 1750674875 | Nurse Practitioner | Brooklyn, NY | 2011 |
| Glenda Grino, APN | 1770553893 | Pediatric Clinical Nurse Specialist | Las Vegas, NV | 2006 |
| Maria Theresa Grino, CRNA | 1346572294 | Certified Registered Nurse Anesthetist | Houston, TX | 2010 |
| Marigold Joyce Grino, NP | 1124913579 | Family Nurse Practitioner | Las Vegas, NV | 2025 |
| Maybell Grino, RPH | 1134504962 | Pharmacist | Knightdale, NC | 2015 |
| Rene Grino | 1083378582 | Mental Health Counselor | Defuniak Springs, FL | 2021 |
| Tim Grino | 1598840266 | Home Modifications Contractor | Crawfordsville, IN | 2006 |
| Cary Grinold, FNP,CDE | 1104894294 | Family Nurse Practitioner | Kings Bay, GA | 2006 |
| Lynne Grinold, RN-C,IBCLC,RLC,CDE | 1306083589 | Diabetes Educator Registered Nurse | Fernandina Beach, FL | 2009 |
| James Grinols, MD | 1033137245 | Pediatrics Physician | Saint Paul, MN | 2006 |
| Lee Grinonneau, P.T., M.S. | 1790812576 | Physical Therapist | Monclova, OH | 2007 |
| Ashley Grinonneau Denton, PCC | 1811286214 | Professional Counselor | Beachwood, OH | 2011 |
| Kristina Grinovich | 1548900301 | Physical Therapy Assistant | Salem, NH | 2022 |
| Sean Grinovich, M.D. | 1174583439 | Ophthalmology Physician | Round Rock, TX | 2006 |
| Mary Grinovics, OT | 1497806327 | Occupational Therapist | Marlton, NJ | 2007 |
| Nile Grinpas, APRN | 1447056155 | Family Nurse Practitioner | Honolulu, HI | 2025 |
| Jennifer Grinsdale, MPH | 1073955563 | Specialist | San Francisco, CA | 2013 |
| Andrew Grinsell, DMD | 1508382474 | Dentist | Philadelphia, PA | 2017 |
| Elizabeth Grinsell, M.S. CCC-SLP | 1821183930 | Speech-Language Pathologist | Richmond, VA | 2006 |
| Guy Grinsell, DC | 1700978186 | Chiropractor | Pawtucket, RI | 2006 |
| Jodi Grinsell, MAT, ATC | 1508214776 | Athletic Trainer | Ferndale, CA | 2016 |
| John Grinsell, M.D. | 1629092606 | Cardiovascular Disease Physician | Reno, NV | 2006 |
| Matthew Grinsell, M.D., PH.D. | 1346364429 | Pediatric Nephrology Physician | Salt Lake City, UT | 2007 |
| Nicole Grinsell | 1376168914 | Student in an Organized Health Care Education/Training Program | San Rafael, CA | 2020 |
| Randi Grinsell, M.D. | 1710985262 | Family Medicine Physician | Reno, NV | 2005 |
| Rebecca Grinsell, LNP | 1912477043 | Primary Care Nurse Practitioner | Richmond, VA | 2018 |
| Valerie Grinsell, M.A. | 1649413576 | Speech-Language Pathologist | Elko, NV | 2009 |
| David Grinsfelder, MD | 1568966174 | Internal Medicine Physician | Dallas, TX | 2018 |
| David Grinsfelder, DDS | 1609976430 | General Practice Physician | Dallas, TX | 2006 |
| Michaela Grinsfelder, MD | 1437310232 | Obstetrics & Gynecology Physician | Houston, TX | 2008 |
| Emily Grinshpon, CCC-SLP | 1225674690 | Speech-Language Pathologist | Rye Brook, NY | 2019 |
| Albert Grinshpun | 1972271138 | Medical Oncology Physician | Boston, MA | 2021 |
| Alexander Grinshpun, MD | 1558456004 | Emergency Medicine Physician | Troy, NY | 2006 |
| Anna Grinshpun, LCPC, NCC | 1669747333 | Professional Counselor | Evanston, IL | 2012 |
| Dmitriy Grinshpun, M.D. | 1265445639 | Neurology Physician | Brooklyn, NY | 2006 |
| Dmitriy Grinshpun | 1841522174 | Pharmacist | Great Neck, NY | 2010 |
| German Grinshpun, D.O. | 1871895375 | Interventional Pain Medicine Physician | Tacoma, WA | 2010 |
| Leah Grinshpun, DO | 1962251553 | Emergency Medicine Physician | Washington, DC | 2024 |
| Margarita Grinshpun | 1780829101 | Licensed Practical Nurse | Brooklyn, NY | 2008 |
| Nina Grinshpun, DPT | 1245585900 | Physical Therapist | Montville, NJ | 2012 |
| Margaret Grinshtein, M.S, M.A | 1508663139 | Student in an Organized Health Care Education/Training Program | Quincy, MA | 2025 |
| Boris Grinshteyn, PHARM D | 1700658515 | Pharmacist | Los Angeles, CA | 2023 |
| Melanie Grinshteyn, APRN | 1104391820 | Family Nurse Practitioner | Estero, FL | 2018 |
| Simon Grinshteyn, M.D. | 1841589173 | Family Medicine Physician | Fort Myers, FL | 2011 |
| Beverly Grinslade, HYGIENIST | 1831163310 | Dental Hygienist | Port St Joe, FL | 2006 |
| Melissa Grinslade, LCSW | 1376862409 | Clinical Social Worker | Terre Haute, IN | 2010 |
| Ari Grinspan, M.D. | 1144489105 | Gastroenterology Physician | New York, NY | 2008 |
| Gregg Grinspan, MD | 1568558690 | Emergency Medicine Physician | Winsted, CT | 2006 |
| Johnny Grinspan, D.D.S. | 1295815405 | Dentist | Denison, TX | 2006 |
| Lauren Grinspan, M.D., PH.D. | 1629497136 | Gastroenterology Physician | New York, NY | 2014 |
| Marina Grinspan, OD | 1831105691 | Optometrist | Malden, MA | 2006 |
| Randy Grinspan, DO | 1780778589 | Emergency Medicine Physician | Norristown, PA | 2006 |
| Zachary Grinspan, MD | 1033377338 | Neurology with Special Qualifications in Child Neurology Physician | New York, NY | 2008 |
| Peter Grinspoon, M.D. | 1952560310 | Internal Medicine Physician | Chelsea, MA | 2008 |
| Reid Grinspoon | 1578206629 | Student in an Organized Health Care Education/Training Program | New York, NY | 2022 |
| Steven Grinspoon, MD | 1457342099 | Endocrinology, Diabetes & Metabolism Physician | Boston, MA | 2005 |
| Kenneth Grinspun, M.D. | 1902804198 | Sports Medicine (Orthopaedic Surgery) Physician | Cookeville, TN | 2005 |
| Melany Grinstaff | 1760375059 | Case Manager/Care Coordinator | West Plains, MO | 2025 |
| Missy Grinstaff | 1659241990 | Behavior Technician | West Plains, MO | 2025 |
| Lauren Grinstain | 1053237982 | Behavior Analyst | Phoenix, AZ | 2026 |
| Alicia Grinstead | 1730815192 | Behavior Technician | Rocky Mount, NC | 2022 |
| Arthur Grinstead, MD | 1679067755 | Family Medicine Physician | Omaha, NE | 2018 |
| Aubree Grinstead, BCBA | 1508684622 | Behavior Analyst | Longmont, CO | 2024 |
| Aubrey Grinstead, LPCA | 1043734585 | Mental Health Counselor | Greenville, SC | 2017 |
| Brandie Grinstead, LISW | 1689684896 | Social Worker | Burlington, IA | 2006 |
| Brittani Grinstead, PHARMD | 1982096848 | Pharmacist | Hawkinsville, GA | 2015 |
| Brittany Grinstead | 1003271461 | Case Manager/Care Coordinator | Natchitoches, LA | 2015 |
| Carolyn Grinstead, LICSW | 1992051080 | Clinical Social Worker | Paxton, MA | 2012 |
| Catherine Grinstead, DVM | 1104196146 | Veterinarian | Carmichael, CA | 2012 |
| Cindy Grinstead | 1265326698 | Home Health Aide | Cross Lanes, WV | 2025 |
| Cynthia Grinstead, DMD | 1013137470 | Dentist | Oak Ridge, TN | 2007 |
| Dan Grinstead, M.D. | 1881668010 | Internal Medicine Physician | Walla Walla, WA | 2006 |
| Dawn Grinstead, CPHT | 1083064240 | Pharmacy Technician | Point Pleasant, WV | 2016 |
| Debra Grinstead, R. N. | 1033235304 | Registered Nurse | Stockton, CA | 2007 |
| Devonte' Grinstead, OTR/L | 1508410978 | Occupational Therapist | Carmichael, CA | 2019 |
| Gina Grinstead | 1265913982 | Psychiatric/Mental Health Nurse Practitioner | Baltimore, MD | 2018 |
| Isabelle Grinstead | 1760947626 | Behavior Analyst | Salem, MA | 2019 |
| Jillian Grinstead, CDCA | 1619612900 | Addiction (Substance Use Disorder) Counselor | Columbus, OH | 2022 |
| Joe Grinstead, PH.D. | 1073666178 | Clinical Psychologist | Liberty, MO | 2007 |
| Joshua Grinstead, PHARMD | 1649871294 | Pharmacist | Winchester, KY | 2020 |
| Julie Grinstead, M.D. | 1376635177 | Obstetrics & Gynecology Physician | Mobile, AL | 2006 |
| Kasey Grinstead, DO | 1902746266 | Student in an Organized Health Care Education/Training Program | Akron, OH | 2026 |
| Kellie Grinstead | 1881127264 | Mental Health Counselor | Opelousas, LA | 2017 |
| Kiaurra Grinstead | 1245964543 | Behavior Analyst | Ontario, CA | 2022 |
| Krista Grinstead, R.D. | 1477576320 | Renal Nutrition Registered Dietitian | Bartlesville, OK | 2006 |
| Lashone Grinstead | 1184078453 | Behavior Analyst | Deerfield Beach, FL | 2016 |
| Laura Grinstead, LISW | 1942910377 | Clinical Social Worker | Cleveland, OH | 2022 |
| Linda Grinstead, PT | 1396855987 | Physical Therapist | Le Roy, NY | 2006 |
| Linda Grinstead, MS, OTR/L | 1437195690 | Occupational Therapist | Uniontown, PA | 2006 |
| Lindsey Grinstead, PHARMD | 1003393547 | Pharmacist | Tampa, FL | 2018 |
| Margaret Grinstead, SLP | 1083744387 | Speech-Language Pathologist | Carlsbad, NM | 2007 |
| Mary Grinstead, MD | 1548955792 | Pediatrics Physician | Pittsburgh, PA | 2023 |
| Phyllis Grinstead, PCMHT | 1013149301 | Mental Health Counselor | Hattiesburg, MS | 2009 |
| Rhett Grinstead, MD | 1275060105 | Hospitalist Physician | Greenville, SC | 2017 |
| Richard Grinstead, DO | 1578795290 | Vascular & Interventional Radiology Physician | Florence, SC | 2009 |
| Robert Grinstead, PA-C | 1043406580 | Physician Assistant | New Orleans, LA | 2007 |
| Samantha Grinstead | 1528390028 | Community Health Worker | Douglas, WY | 2010 |
| Sarah Grinstead, DO | 1700724309 | Student in an Organized Health Care Education/Training Program | Akron, OH | 2026 |
| Stephanie Grinstead | 1467548974 | Physical Therapy Assistant | Muskegon, MI | 2006 |
| Stephen Grinstead, MFT | 1740559095 | Marriage & Family Therapist | Sacramento, CA | 2011 |
| Susan Grinstead | 1336647502 | Behavior Analyst | Athens, OH | 2018 |
| Taylor Grinstead, DNP | 1134780141 | Family Nurse Practitioner | Guttenberg, IA | 2019 |
| Tiffany Grinstead, CFY | 1205325156 | Specialist | Woodbridge, VA | 2018 |
| Timothy Grinstead, LCPC | 1093912842 | Professional Counselor | Billings, MT | 2007 |
| Tyler Grinstead | 1306728076 | Behavior Analyst | Lake Worth, FL | 2025 |
| Victoria Grinstead, O.D. | 1174771646 | Optometrist | Laurel, MD | 2008 |
| William Grinstead, MD, FACC | 1306859533 | Cardiovascular Disease Physician | Houston, TX | 2006 |
| Rachel Grinstead-Babson | 1104335611 | Developmental Therapist | Danvers, MA | 2017 |
| Steven Grinsted, PT | 1497765986 | Specialist | Los Angeles, CA | 2006 |
| Aaron Grinstein, PA | 1457762106 | Physician Assistant | Easthampton, MA | 2014 |
| Alexis Grinstein, M.A., BCBA | 1720413297 | Behavior Analyst | Skokie, IL | 2013 |
| Ella Grinstein | 1316874795 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2026 |
| Gabrielle Grinstein, MD | 1972563351 | Pediatric Endocrinology Physician | New York, NY | 2006 |
| Jonathan Grinstein | 1396065249 | Advanced Heart Failure and Transplant Cardiology Physician | Chicago, IL | 2010 |
| Karina Grinstein | 1306671912 | Student in an Organized Health Care Education/Training Program | New York, NY | 2024 |
| Rachel Grinstein | 1376895623 | Counselor | San Francisco, CA | 2012 |
| Ashley Grinsteiner, RD | 1437520830 | Registered Dietitian | Green Bay, WI | 2015 |
| Gracie Grinsteiner | 1073445979 | Speech-Language Pathologist | Timnath, CO | 2026 |
| Kellsie Grinsteiner | 1871998781 | Case Manager/Care Coordinator | Bismarck, ND | 2014 |
| Tina Grinsteiner, APRN-RNP | 1104403708 | Family Nurse Practitioner | Peoria, AZ | 2021 |
| Ashley Grinsteinner | 1902668767 | Counselor | Lakewood, WA | 2024 |
| Gretchen Grinsteinner | 1255159828 | Doula | New London, CT | 2024 |
| Nicole Grinsteinner, RPH | 1831741990 | Pharmacist | Dickinson, ND | 2019 |
| Robin Grinston, MMP,LMT,HAIR STYLIST | 1073020830 | Massage Therapist | East Saint Louis, IL | 2018 |
| Symone Grinston | 1326740986 | Nurse's Aide | Columbus, OH | 2023 |
| Eduarda Grinsztejn Joao, MD | 1477115723 | Student in an Organized Health Care Education/Training Program | Cleveland, OH | 2019 |
| Kathleen Grint, APRN | 1528383486 | Family Nurse Practitioner | Osawatomie, KS | 2010 |
| Kayla Grint, DVM, DACVIM | 1457829517 | Cardiovascular Disease Physician | Sunset, UT | 2018 |
| Linette Grint, LCSW | 1184343030 | Clinical Social Worker | Norwalk, CA | 2022 |
| Douglas Grinter | 1376229591 | Behavior Technician | Farmington Hills, MI | 2023 |
| Erica Grinter, LPN | 1790212843 | Licensed Practical Nurse | Toledo, OH | 2017 |
| Ginalyn Grinter, STNA | 1942997754 | Nurse's Aide | Columbus, OH | 2023 |
| James Grinter, MSW/LCSW | 1861446171 | Clinical Social Worker | Queensbury, NY | 2006 |
| Jason Grinter, DDS | 1255401899 | Dentist | Rockford, IL | 2006 |
| Jennifer Grinter, LCSW | 1073246534 | Mental Health Counselor | Dallas, TX | 2022 |
| Paul Grinter, NMD | 1366398349 | Naturopath | Wheaton, IL | 2026 |
| Tiffany Grinter | 1265149926 | Professional Counselor | Libertyville, IL | 2022 |
| William Grinter, RN | 1972217222 | Registered Nurse | Columbus, OH | 2023 |
| Scott Grinthal, CAADE III | 1194957399 | Addiction (Substance Use Disorder) Counselor | Oakland, CA | 2009 |
| Cynthia Grintjes, LCSW | 1992444665 | Clinical Social Worker | West Bend, WI | 2022 |
| Cassi Grinton, LPCC | 1861281750 | Mental Health Counselor | Centennial, CO | 2025 |
| Katherine Grinton, P.A.-C | 1831347343 | Medical Physician Assistant | Columbia, SC | 2008 |
| Patricia Grinton, MD | 1497772362 | Pediatrics Physician | Shelby, NC | 2006 |
| Stephen Grinton, MD | 1962590166 | Pulmonary Disease Physician | Shelby, NC | 2006 |
| Lena Grintsaig | 1134363849 | Counselor | Danville, CA | 2009 |
| Svetlana Grintsvayg, LCSW | 1922025477 | Clinical Social Worker | La Jolla, CA | 2006 |
| Carla Grinuck-Wood, NP-C | 1962717074 | Family Nurse Practitioner | Bend, OR | 2010 |
| Justs Grinvalds, APRN | 1619687084 | Family Nurse Practitioner | Ocala, FL | 2022 |
| Henry Grinvalsky, MD | 1740211440 | Neurology Physician | Cincinnati, OH | 2006 |
| Kathleen Grinvalsky, ATC | 1104279660 | Athletic Trainer | Portland, ME | 2016 |
| Leah Grinvalsky, DPT | 1386259885 | Physical Therapist | Monroe, WI | 2020 |
| Braelyn Grinwald, LCSW | 1275226508 | Clinical Social Worker | Milwaukee, WI | 2023 |
| Joann Grinwald, COTA | 1184773616 | Occupational Therapy Assistant | West Bend, WI | 2007 |
| Sharon Grinwald, LMFT | 1063374460 | Marriage & Family Therapist | Sherman Oaks, CA | 2025 |
| Barbara Grinwis, M.A., PA-C | 1851423750 | Medical Physician Assistant | Grand Rapids, MI | 2007 |
| Hannah Grinwis, PA-C | 1700479342 | Physician Assistant | Grand Rapids, MI | 2021 |
| Morgan Grinwis, PA | 1588212500 | Physician Assistant | Grand Rapids, MI | 2019 |
| Anne Grinyer | 1780046680 | Occupational Therapist | Bend, OR | 2016 |
| Mackenzie Grinyer | 1801601661 | Behavior Technician | Richmond, IN | 2025 |
| Benjamin Grinzaid | 1841751658 | Pediatrics Physician | Atlanta, GA | 2019 |
| Karen Grinzaid, M.S. | 1265421556 | Genetic Counselor (M.S.) | Decatur, GA | 2005 |
| Rose Grinzaid, LMSW | 1710626007 | Social Worker | Bronx, NY | 2022 |
| Annabelle Grinzinger | 1104758499 | Behavior Technician | Mustang, OK | 2026 |
| Mark Grinzinger, DDS, MD | 1376923623 | Oral and Maxillofacial Surgery (Dentist) | Grand Rapids, MI | 2015 |
| Gilbert Grio, DDS | 1013080522 | General Practice Dentistry | Freedom, CA | 2006 |
| Greg Grio | 1982936381 | Case Manager/Care Coordinator | Salinas, CA | 2010 |
| Maricor Grio, M.D. | 1467576900 | Pediatrics Physician | Mission Hills, CA | 2007 |
| Kierstin Griott | 1205514254 | Behavior Technician | Riverside, CA | 2023 |
| Angela Grip, PT | 1619422979 | Physical Therapist | Shrewsbury, MA | 2016 |
| Brittany Grip | 1568904126 | Occupational Therapist | Bedford, NH | 2016 |
| Dana Grip, PHD | 1548693732 | Clinical Psychologist | La Crescenta, CA | 2013 |
| Lauren Grip, LPN | 1861982902 | Licensed Practical Nurse | Rochester, NY | 2018 |
| Lindsey Grip | 1851640569 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2012 |
| Norma Grip, LPN | 1811467947 | Licensed Vocational Nurse | Rochester, NY | 2018 |
| Robin Gripado, APRN-CNP | 1508242975 | Family Nurse Practitioner | Tulsa, OK | 2015 |
| Ferdinand Gripal, PT | 1376670463 | Specialist | Laredo, TX | 2007 |
| Ria Gripaldo, M.D. | 1174788913 | Pulmonary Disease Physician | Rochester, MN | 2008 |
| Nancy Griparis, RD. LDN. | 1609099746 | Registered Dietitian | Joliet, IL | 2007 |
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).