Providers David Gregg, MD to Rachel Gregg, A.A. C.P.C.
300 individual NPIs in the federal registry, part 8,294 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. 100 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| David Gregg, MD | 1265540264 | Adult Congenital Heart Disease Physician | Charleston, SC | 2006 |
| David Gregg | 1285950402 | Emergency Medicine Physician | Charlotte, NC | 2010 |
| David Gregg, D.C.F.I.C.C. | 1316049786 | Orthopedic Chiropractor | San Diego, CA | 2006 |
| David Gregg, PA C | 1538152053 | Physician Assistant | River Falls, WI | 2005 |
| David Gregg | 1629731567 | Peer Specialist | Nashua, NH | 2021 |
| David Gregg, PHD, LP, CAADC | 1790150456 | Psychologist | Kalamazoo, MI | 2015 |
| David Gregg, MD | 1861032054 | Internal Medicine Physician | Minneapolis, MN | 2020 |
| David Gregg, MD | 1891759536 | Surgery Physician | Menlo Park, CA | 2006 |
| Dean Gregg, PHD | 1922154194 | Clinical Psychologist | Helena, MT | 2007 |
| Deandrienne Gregg | 1760272405 | Registered Nurse | Bronx, NY | 2025 |
| Deanna Gregg, LPN | 1881830354 | Licensed Practical Nurse | Fort Campbell, KY | 2009 |
| Deborah Gregg, MA LICENSED PSYCHOLO | 1124114186 | Psychologist | Conneaut Lake, PA | 2006 |
| Deborah Gregg, PTA | 1477711166 | Physical Therapy Assistant | Lady Lake, FL | 2008 |
| Deborah Gregg | 1619631017 | Personal Care Attendant | Las Vegas, NV | 2021 |
| Delana Gregg | 1356725337 | Women's Health Nurse Practitioner | Tulsa, OK | 2015 |
| Denise Gregg | 1730886045 | Behavior Technician | Leavenworth, KS | 2023 |
| Denise Gregg, FNP, BC | 1831975762 | Family Nurse Practitioner | Huntington, WV | 2023 |
| Dexter Gregg, MD | 1215423835 | Anesthesiology Physician | Springfield, OR | 2018 |
| Diana Gregg, LPN | 1679095186 | Licensed Practical Nurse | Perrysville, OH | 2017 |
| Diana Gregg | 1689198459 | Licensed Practical Nurse | Ringgold, GA | 2017 |
| Don Gregg, DDS | 1346568789 | Public Health Dentistry | Loma Linda, CA | 2010 |
| Douglas Gregg, APRN, FNP-C | 1376908301 | Family Nurse Practitioner | Evanston, IL | 2015 |
| Dyanne Gregg, LMT | 1487963385 | Massage Therapist | Bluffton, OH | 2010 |
| Dylon Gregg, PHARMD | 1558714972 | Pharmacist | Elkhart, IN | 2016 |
| Elaine Gregg, MA, LPCC | 1891450458 | Professional Counselor | Minneapolis, MN | 2021 |
| Elizabeth Gregg | 1316402266 | Behavior Technician | Overland Park, KS | 2019 |
| Elizabeth Gregg, FNP | 1497241509 | Family Nurse Practitioner | San Francisco, CA | 2018 |
| Elizabeth Gregg, MSW, LICSW | 1497612311 | Clinical Social Worker | Chilmark, MA | 2026 |
| Elizabeth Gregg, MA, LPC | 1669981676 | Mental Health Counselor | Madison, WI | 2017 |
| Ellen Gregg, PH.D., CCC-SLP | 1487649893 | Speech-Language Pathologist | Greeley, CO | 2005 |
| Emily Gregg | 1396497939 | Behavior Technician | Augusta, GA | 2022 |
| Emily Gregg, PT | 1922143734 | Speech-Language Pathologist | Columbia, TN | 2007 |
| Emma Gregg, RBT | 1659046928 | Behavior Technician | Louisville, KY | 2021 |
| Emma Gregg, MOT, OTR/L | 1780192716 | Occupational Therapist | Florissant, MO | 2018 |
| Eric Gregg, O.D. | 1265456321 | Optometrist | Secane, PA | 2006 |
| Eric Gregg, DMD | 1609138528 | General Practice Dentistry | Victorville, CA | 2012 |
| Evan Gregg, MD | 1386207231 | Psychiatry Physician | Jb Andrews, MD | 2019 |
| Evelyn Gregg, REGISTERED NURSE I | 1093118895 | Mental Health Counselor | Moncks Corner, SC | 2014 |
| Falisha Gregg | 1699318642 | Behavior Technician | Mililani, HI | 2019 |
| Francesca Gregg, COTA L | 1720296262 | Specialist | Boise, ID | 2007 |
| Fred Gregg, M.D. | 1043394968 | Ophthalmology Physician | Chattanooga, TN | 2006 |
| Frederick Gregg, M.D. | 1851382923 | Diagnostic Radiology Physician | Houston, TX | 2005 |
| Frederick Gregg, D.O. | 1952523607 | Orthopaedic Surgery Physician | Hattiesburg, MS | 2007 |
| Gail Gregg, GNP-BC | 1295013050 | Nurse Practitioner | Burlington, MA | 2011 |
| Garrett Gregg, LSW | 1063175792 | Social Worker | Medina, OH | 2021 |
| Gary Gregg, DDS | 1326021650 | General Practice Dentistry | Vancouver, WA | 2005 |
| Gary Gregg, PSY.D. | 1952463002 | Clinical Psychologist | Elm Grove, WI | 2006 |
| Gregory Gregg, M.D. | 1568575595 | Diagnostic Radiology Physician | Springfield, IL | 2006 |
| Gregory Gregg, CASEMANAGER | 1942647003 | Case Manager/Care Coordinator | Altamonte Springs, FL | 2013 |
| Greta Gregg | 1134787559 | Optometrist | Chicago, IL | 2019 |
| Greta Gregg | 1346102696 | Behavior Technician | Farmington Hills, MI | 2025 |
| Gwyn Gregg, SLPA | 1639416779 | Speech-Language Assistant | Connell, WA | 2013 |
| Hailey Gregg | 1679224240 | Behavior Technician | Tampa, FL | 2022 |
| Haleigh Gregg | 1164239562 | Personal Care Attendant | Charleston, WV | 2024 |
| Hannah Gregg, PA-C | 1316513336 | Physician Assistant | Albany, NY | 2021 |
| Hannah Gregg, DPT | 1407554397 | Physical Therapist | Chaska, MN | 2023 |
| Hannah Gregg, CAA | 1740074327 | Anesthesiologist Assistant | Greenwood Village, CO | 2025 |
| Hannah Gregg | 1982588398 | Behavior Technician | Daleville, IN | 2025 |
| Harley Gregg | 1689443780 | Behavior Technician | Knoxville, TN | 2023 |
| Harmony Gregg, LPN | 1952230245 | Licensed Practical Nurse | Lakewood, CO | 2026 |
| Heather Gregg | 1003602558 | Behavior Technician | Temecula, CA | 2025 |
| Heather Gregg, SLP | 1104523828 | Speech-Language Pathologist | Aurora, CO | 2023 |
| Heather Gregg, PMH-NP-BC | 1417743444 | Psychiatric/Mental Health Nurse Practitioner | Kingston, TN | 2025 |
| Heather Gregg, NP-C | 1720244130 | Nurse Practitioner | Fishers, IN | 2008 |
| Heather Gregg, DDS | 1811106909 | Pediatric Dentistry | Mansfield, OH | 2007 |
| Heidi Gregg, CRNP | 1801165006 | Family Nurse Practitioner | Du Bois, PA | 2011 |
| Herbert Gregg, MD | 1558525766 | Neurology Physician | Lenox, MA | 2008 |
| Hollie Gregg | 1346859618 | Pediatric Occupational Therapist | Wichita, KS | 2020 |
| Holly Gregg | 1639020308 | Behavior Technician | Marrero, LA | 2026 |
| Hope Gregg, OTD, OTR/L | 1902436652 | Occupational Therapist | Warren, OH | 2020 |
| India Gregg, RDH | 1841360476 | Dental Hygienist | West Monroe, LA | 2006 |
| Irish Gregg | 1013670694 | Community Health Worker | Ladson, SC | 2021 |
| Isabel Gregg, N.P. | 1467909309 | Women's Health Nurse Practitioner | New York, NY | 2016 |
| Jaclyn Gregg, CCC-SLP | 1558613893 | Speech-Language Pathologist | Hopewell Junction, NY | 2012 |
| James Gregg | 1043246093 | Other Technician | Falmouth, KY | 2006 |
| James Gregg, D.C. | 1093957961 | Chiropractor | Portland, OR | 2009 |
| James Gregg, PHD | 1285830372 | Clinical Psychologist | Soledad, CA | 2007 |
| James Gregg, D.C. | 1316208309 | Chiropractor | Garden City, MI | 2012 |
| James Gregg, MD | 1518100049 | Diagnostic Radiology Physician | Houston, TX | 2009 |
| Jamie Gregg | 1164361101 | Adult Companion | Lincoln, NE | 2026 |
| Janolyn Gregg, PHD | 1407912363 | Clinical Psychologist | Weston, FL | 2006 |
| Jared Gregg, CRNA | 1003153180 | Certified Registered Nurse Anesthetist | Florence, AL | 2013 |
| Jason Gregg, APRN, DNP, PMHNP-BC | 1518970961 | Psychiatric/Mental Health Nurse Practitioner | Falmouth, KY | 2006 |
| Jayce Gregg | 1659152379 | Pastoral Counselor | Mesa, AZ | 2023 |
| Jean Gregg, LICSW | 1073611315 | Clinical Social Worker | Roseville, MN | 2006 |
| Jeanne Gregg, MSW, LCSW | 1013074194 | Clinical Social Worker | Philomath, OR | 2007 |
| Jeffrey Gregg, O.D. | 1225160039 | Optometrist | La Mesa, CA | 2007 |
| Jeffrey Gregg | 1609637537 | Case Manager/Care Coordinator | Elyria, OH | 2024 |
| Jeffrey Gregg, M.D. | 1689657918 | Specialist | Sacramento, CA | 2005 |
| Jeffrey Gregg | 1962875997 | Clinical Psychologist | Durham, NC | 2015 |
| Jennifer Gregg, PH.D. | 1013180488 | Clinical Psychologist | San Jose, CA | 2008 |
| Jennifer Gregg | 1225421738 | Occupational Therapy Assistant | Canyon, TX | 2015 |
| Jennifer Gregg, MD | 1427617117 | Family Medicine Physician | Roseville, CA | 2019 |
| Jennifer Gregg, M.A., R.N. | 1649512328 | Adult Psychiatric/Mental Health Registered Nurse | Milwaukie, OR | 2013 |
| Jennifer Gregg | 1851233191 | Mental Health Counselor | Mount Laurel, NJ | 2026 |
| Jennifer Gregg, LCSW | 1881234979 | Clinical Social Worker | Glencoe, IL | 2020 |
| Jennifer Gregg | 1881410173 | Case Manager/Care Coordinator | Albuquerque, NM | 2024 |
| Jenny Gregg, M.A. | 1457549917 | Mental Health Counselor | Temple, TX | 2007 |
| Jeremy Gregg | 1730714353 | Behavior Technician | Anniston, AL | 2020 |
| Jessica Gregg, MSW LCSW | 1013257823 | Clinical Social Worker | Rockford, IL | 2013 |
| Jessica Gregg, MA, MFTI | 1114118684 | Mental Health Counselor | San Francisco, CA | 2007 |
| Jessica Gregg, MD | 1447265939 | Internal Medicine Physician | Portland, OR | 2006 |
| Jessica Gregg, MA, CCC-SLP | 1528447406 | Speech-Language Pathologist | Sacramento, CA | 2015 |
| Jessica Gregg, MSHR | 1588978480 | Mental Health Counselor | McAlester, OK | 2010 |
| Jessica Gregg | 1598493975 | Speech-Language Pathologist | Papillion, NE | 2022 |
| Jessica Gregg, APRN | 1689025447 | Psychiatric/Mental Health Nurse Practitioner | Hastings, NE | 2016 |
| Jessica Gregg, MA | 1841561123 | Professional Counselor | Mt Pleasant, SC | 2012 |
| Jessie Gregg, D.D.S | 1841779915 | General Practice Dentistry | Fort Knox, KY | 2018 |
| Jill Gregg, LMHP | 1154538643 | Mental Health Counselor | Hastings, NE | 2007 |
| Jill Gregg, PEDIATRIC NP | 1558062778 | Pediatric Nurse Practitioner | Granbury, TX | 2023 |
| Jill Gregg, PT | 1851568109 | Physical Therapist | Omaha, NE | 2008 |
| Jivanda Gregg, LPC | 1346415569 | Professional Counselor | Atlanta, GA | 2008 |
| Joan Gregg, P.T. | 1972713170 | Physical Therapist | Auburn, CA | 2007 |
| Joanna Gregg, MS, RD | 1013629088 | Registered Dietitian | Nashville, TN | 2022 |
| Joanne Gregg, LPN | 1467770677 | Licensed Practical Nurse | Plymouth Meeting, PA | 2010 |
| Jody Gregg, CMMT | 1407095086 | Mechanotherapist | Norton Shores, MI | 2009 |
| Johannah Gregg, FNP-C | 1790456895 | Family Nurse Practitioner | Mill City, OR | 2021 |
| John Gregg, D.O. | 1013118660 | Family Medicine Physician | Wayne, NJ | 2007 |
| John Gregg, M. D. | 1184605917 | Surgery Physician | Alva, OK | 2005 |
| John Gregg, PHARMD | 1437574324 | Pharmacist | Plano, TX | 2014 |
| John Gregg, DDS | 1639160575 | Oral and Maxillofacial Surgery (Dentist) | Blacksburg, VA | 2005 |
| John Gregg, MD | 1760442792 | Cardiovascular Disease Physician | Indiana, PA | 2006 |
| John Gregg, DMD | 1922086024 | General Practice Dentistry | Olyphant, PA | 2006 |
| Jolene Gregg, O.D. | 1538218201 | Optometrist | Port Charlotte, FL | 2007 |
| Jonathan Gregg | 1346125960 | Mental Health Counselor | Albuquerque, NM | 2025 |
| Jonathan Gregg, LPC | 1992525729 | Professional Counselor | Attalla, AL | 2024 |
| Joseph Gregg, D.D.S, M.S.D | 1558488668 | Orthodontics and Dentofacial Orthopedics Dentistry | Muncie, IN | 2007 |
| Joshua Gregg | 1003599564 | Physician Assistant | Tallahassee, FL | 2023 |
| Judith Gregg, R.PH. | 1477046928 | Pharmacist | Portland, OR | 2018 |
| Julia Gregg, PMHNP | 1952801433 | Psychiatric/Mental Health Nurse Practitioner | Dallas, TX | 2018 |
| Julie Gregg, CRNA | 1164434601 | Certified Registered Nurse Anesthetist | Danville, IN | 2006 |
| Julie Gregg, ATC | 1740259399 | Athletic Trainer | Rockford, IL | 2006 |
| Justin Gregg, M.D. | 1093072324 | Urology Physician | Houston, TX | 2012 |
| Justin Gregg, M.D. | 1710208939 | Pulmonary Disease Physician | Greenville, SC | 2010 |
| Kaila Gregg, PMHNP | 1255173969 | Psychiatric/Mental Health Nurse Practitioner | Wittmann, AZ | 2024 |
| Kandice Gregg, MSW | 1811368269 | Social Worker | Cottonwood, CA | 2015 |
| Kara Gregg, OT | 1376746529 | Occupational Therapist | Dayville, CT | 2007 |
| Karalee Gregg, BS MS | 1922696558 | Mental Health Counselor | Wagoner, OK | 2021 |
| Karen Gregg, RN | 1083989933 | Nephrology Registered Nurse | Jonesborough, TN | 2012 |
| Karina Gregg, DDS | 1811276983 | Dentist | San Marcos, CA | 2011 |
| Karleen Gregg | 1962932715 | Occupational Therapist | Middleburg Heights, OH | 2017 |
| Kasarah Gregg, LIC-15884 | 1174112163 | Massage Therapist | Missoula, MT | 2021 |
| Katelyn Gregg | 1346174984 | Behavior Technician | Concord, CA | 2026 |
| Katharine Gregg, MD | 1194758854 | Geriatric Medicine (Internal Medicine) Physician | Jackson, MS | 2006 |
| Katharine Gregg | 1528525490 | Speech-Language Pathologist | Fort Wayne, IN | 2019 |
| Katherine Gregg | 1295141430 | Pharmacist | Woonsocket, RI | 2014 |
| Katherine Gregg | 1578399721 | Mental Health Counselor | Vancouver, WA | 2024 |
| Kathy Gregg, RPH | 1821335761 | Pharmacist | Winder, GA | 2013 |
| Katie Gregg, NNP | 1033586904 | Critical Care Neonatal Nurse Practitioner | Albany, NY | 2015 |
| Katrina Gregg | 1528462900 | Family Nurse Practitioner | South Bend, IN | 2014 |
| Kayla Gregg | 1205757937 | Behavior Technician | Charlotte, NC | 2026 |
| Kayla Gregg, PA-C | 1649791914 | Physician Assistant | Weaverville, NC | 2017 |
| Kayla Gregg | 1942805395 | Homemaker | Parkersburg, WV | 2020 |
| Kelly Gregg, M.D. | 1598952905 | Gynecology Physician | Elbert, CO | 2007 |
| Kelly Gregg, RN | 1821055187 | Registered Nurse | Kissimmee, FL | 2006 |
| Kelly Gregg | 1942766076 | Pediatric Occupational Therapist | Boulder, CO | 2019 |
| Kendra Gregg | 1245931344 | Behavior Technician | Greensboro, NC | 2023 |
| Kenneth Gregg, O.D. | 1235192071 | Optometrist | Smithfield, NC | 2006 |
| Kenneth Gregg, LCSW | 1811048671 | Clinical Social Worker | Walnut Creek, CA | 2007 |
| Kenya Gregg, FNP | 1093306433 | Family Nurse Practitioner | Charlotte, NC | 2021 |
| Keri Gregg, RN | 1629757448 | Registered Nurse | Fredonia, WI | 2023 |
| Kevin Gregg | 1013105220 | Infectious Disease Physician | Madison, WI | 2007 |
| Kevin Gregg, MD | 1013997824 | Emergency Medicine Physician | Greenville, SC | 2006 |
| Kim Gregg, RN | 1407046139 | Registered Nurse | West Babylon, NY | 2007 |
| Kimberley Gregg, MSED | 1235384504 | Specialist | White Plains, NY | 2008 |
| Kimberly Gregg, DNP | 1588210751 | Family Nurse Practitioner | Aliquippa, PA | 2019 |
| Kimberly Gregg, PA-C | 1922172121 | Surgical Physician Assistant | Providence, RI | 2006 |
| Kindy Gregg, LMT | 1548673262 | Massage Therapist | Redmond, OR | 2014 |
| Krista Gregg, CCC- SLP | 1033479944 | Speech-Language Pathologist | Seattle, WA | 2012 |
| Kristi Gregg, M ED. | 1902091333 | Mental Health Counselor | Lewistown, PA | 2007 |
| Kristiana Gregg, NURSE PRACTITIONER | 1447763222 | Women's Health Nurse Practitioner | Fayetteville, GA | 2017 |
| Kristin Gregg, M.D. | 1336188333 | Emergency Medicine Physician | Pawtucket, RI | 2006 |
| Kristy Gregg, OTR | 1902913478 | Occupational Therapist | Austin, TX | 2006 |
| Krystal Gregg, PSYD | 1003294703 | Clinical Psychologist | Loma Linda, CA | 2015 |
| Krystal Gregg | 1871420414 | Doula | Gainesville, FL | 2026 |
| Kyle Gregg | 1033723994 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2020 |
| Kyle Gregg, CRNA | 1255327516 | Certified Registered Nurse Anesthetist | Largo, FL | 2005 |
| Kylie Gregg, SSN | 1992536890 | Behavior Technician | Woodbury, MN | 2024 |
| Landon Gregg, MBA,LCSW,LCDC | 1891283479 | Mental Health Counselor | Denton, TX | 2018 |
| Laura Gregg, MD | 1134289390 | Rheumatology Physician | Albuquerque, NM | 2006 |
| Laura Gregg, RN | 1225795669 | Pediatric Registered Nurse | Schenectady, NY | 2021 |
| Laura Gregg, M.A., CCC-SLP | 1689083925 | Speech-Language Pathologist | Cleveland, OH | 2014 |
| Lauren Gregg, MD | 1316181852 | Emergency Medicine Physician | Mechanicsville, VA | 2009 |
| Lauren Gregg | 1376212787 | Behavior Technician | Southern Pines, NC | 2021 |
| Lauren Gregg, MD | 1821626151 | Emergency Medicine Physician | Greenville, NC | 2020 |
| Laurie Gregg, M.D. | 1689640179 | Obstetrics & Gynecology Physician | Sacramento, CA | 2006 |
| Lauryn Gregg | 1841994506 | Behavior Technician | Wichita Falls, TX | 2023 |
| Lawrence Gregg, MD | 1528054467 | Dermatology Physician | Tulsa, OK | 2005 |
| Leah Gregg, R.N. | 1033632534 | Registered Nurse | Newport, TN | 2017 |
| Leah Gregg | 1376476598 | Student in an Organized Health Care Education/Training Program | Toledo, OH | 2026 |
| Leah Gregg, LCSW | 1609497148 | Clinical Social Worker | Longmont, CO | 2020 |
| Leah Gregg | 1811881238 | Home Health Aide | Chesapeake, WV | 2025 |
| Leanne Gregg, PT | 1821090291 | Physical Therapist | Newport, TN | 2005 |
| Lee-Ann Gregg, STUDENT ARNP | 1033977368 | Nurse Practitioner | Randolph, VT | 2024 |
| Leilani Gregg | 1801603170 | Case Manager/Care Coordinator | Albuquerque, NM | 2024 |
| Leslie Gregg | 1750687455 | Registered Nurse | Spokane Valley, WA | 2011 |
| Liliana Gregg | 1114794120 | Physician Assistant | Asheville, NC | 2023 |
| Lillian Gregg | 1326886284 | Behavior Technician | Citrus Heights, CA | 2024 |
| Lillian Gregg | 1457192742 | Behavior Technician | Springdale, AR | 2024 |
| Linda Gregg, BSN, RNC, WHNP | 1952543787 | Women's Health Nurse Practitioner | Mt Pleasant, MI | 2009 |
| Lindsay Gregg, PMHNP-BC | 1700563913 | Psychiatric/Mental Health Nurse Practitioner | Indianapolis, IN | 2023 |
| Lindsey Gregg | 1295690808 | Physician Assistant | Knoxville, TN | 2025 |
| Lindsey Gregg, MOT | 1457936916 | Occupational Therapist | Cary, NC | 2021 |
| Lisa Gregg, LPN | 1215230735 | Licensed Practical Nurse | Old Fort, OH | 2010 |
| Lisa Gregg, PA | 1215904073 | Physician Assistant | Concord, NC | 2006 |
| Lisa Gregg | 1841914827 | Behavior Technician | Las Vegas, NV | 2022 |
| Logann Gregg, SLPA | 1942676085 | Speech-Language Assistant | Gilbert, AZ | 2015 |
| Lois Gregg, MD | 1184723561 | Family Medicine Physician | Kamuela, HI | 2006 |
| Lori Gregg | 1164157954 | Doula | Marianna, FL | 2022 |
| Lorraine Gregg, M.ED, LMHC | 1174935449 | Mental Health Counselor | Stoughton, MA | 2014 |
| Lucile Gregg, M.D. | 1053686121 | Nephrology Physician | Houston, TX | 2012 |
| Madison Gregg, CRNP | 1922673003 | Neonatal Nurse Practitioner | Birmingham, AL | 2021 |
| Mallorie Gregg, DC | 1447041611 | Chiropractor | Rockville, IN | 2025 |
| Mandy Gregg, LMT | 1265602007 | Massage Therapist | Portland, OR | 2008 |
| Mandy Gregg, R | 1861548968 | Community Health Registered Nurse | Newport, TN | 2007 |
| Marc Gregg, LPC | 1902933708 | Professional Counselor | Amarillo, TX | 2007 |
| Marcee Gregg, PT | 1649772690 | Orthopedic Physical Therapist | Pittsburgh, PA | 2018 |
| Marci Gregg | 1770203655 | Personal Care Attendant | Vienna, WV | 2022 |
| Marcus Gregg | 1023767373 | Behavior Technician | Kirkland, WA | 2022 |
| Marcy Gregg, ARNP | 1861542490 | Family Nurse Practitioner | Mount Ayr, IA | 2007 |
| Margaret Gregg, APRN | 1255179115 | Acute Care Nurse Practitioner | Jackson, MS | 2024 |
| Margaret Gregg, PHARMD | 1477952174 | Pharmacist | Oakland, MD | 2014 |
| Margaret Gregg, ATC | 1902370679 | Athletic Trainer | Louisville, KY | 2019 |
| Maria Gregg, MSW, ASW | 1255511341 | Clinical Social Worker | Santa Clara, CA | 2007 |
| Maria Gregg | 1912505645 | Home Health Aide | Pittsburgh, PA | 2020 |
| Maribeth Gregg, COTA/L | 1255756557 | Occupational Therapy Assistant | Cable, OH | 2014 |
| Marion Gregg, M.D., M.P.H, M.B.A | 1801936836 | Public Health & General Preventive Medicine Physician | Jacksonville, FL | 2007 |
| Marissa Gregg, DDS | 1073033544 | General Practice Dentistry | Ankeny, IA | 2017 |
| Mark Gregg, RN | 1053258921 | Student in an Organized Health Care Education/Training Program | Bethesda, MD | 2026 |
| Mark Gregg, D.C., P.C. | 1952379687 | Chiropractor | Phoenix, AZ | 2006 |
| Marlene Gregg, CRNA | 1760486658 | Certified Registered Nurse Anesthetist | Huntsville, AL | 2005 |
| Mary Gregg | 1033954946 | Addiction (Substance Use Disorder) Counselor | Santa Ana, CA | 2024 |
| Mary Gregg, OT | 1487966347 | Occupational Therapist | Rochester, NY | 2010 |
| Mary Gregg, CNM | 1801098348 | Midwife | Columbus, OH | 2007 |
| Matthew Gregg | 1508749474 | Personal Care Attendant | Barboursville, WV | 2025 |
| Mavixen Gregg, RPH | 1750676805 | Pharmacist | Atascadero, CA | 2011 |
| McKenzie Gregg, PA-C, MMS, MPH | 1043075971 | Physician Assistant | Johnson City, TN | 2024 |
| Meaghan Gregg, LMSW | 1952784696 | Clinical Social Worker | Newport, NC | 2015 |
| Meegan Gregg, NP | 1699158857 | Gerontology Nurse Practitioner | Scotts Valley, CA | 2015 |
| Megan Gregg | 1184467755 | Student in an Organized Health Care Education/Training Program | Greenville, NC | 2024 |
| Meghan Gregg, NP | 1114438033 | Nurse Practitioner | Coeur D Alene, ID | 2017 |
| Melanie Gregg, PHARMD | 1093166761 | Ambulatory Care Pharmacist | Fayetteville, GA | 2016 |
| Melanie Gregg, PH.D. | 1417090010 | Clinical Child & Adolescent Psychologist | Houston, TX | 2007 |
| Melissa Gregg, MSW | 1053966929 | Social Worker | Manchester, NH | 2019 |
| Melissa Gregg, NP | 1255054490 | Family Nurse Practitioner | Costa Mesa, CA | 2022 |
| Melynda Gregg | 1811590136 | Registered Nurse | Point Pleasant, WV | 2020 |
| Michael Gregg, M.D. | 1083093595 | Surgical Critical Care Physician | Orlando, FL | 2015 |
| Michael Gregg | 1164021283 | Licensed Practical Nurse | Roseburg, OR | 2020 |
| Michael Gregg, M.S.P.T. | 1205800901 | Physical Therapist | Walla Walla, WA | 2006 |
| Michael Gregg, MD | 1275545246 | Psychiatry Physician | Albany, NY | 2006 |
| Michael Gregg, LSW | 1316614548 | Social Worker | Naperville, IL | 2021 |
| Michael Gregg, M.D. | 1366544165 | Internal Medicine Physician | Boise, ID | 2006 |
| Michael Gregg, M.D. | 1386629756 | Family Medicine Physician | Austin, MN | 2005 |
| Michael Gregg | 1457895062 | Case Manager/Care Coordinator | Canton, OH | 2016 |
| Michael Gregg, MD | 1730188640 | Diagnostic Radiology Physician | Dallas, TX | 2005 |
| Michael Gregg | 1770824849 | Behavior Analyst | Alhambra, CA | 2013 |
| Michele Gregg, M.S., CCC-SLP | 1275893919 | Speech-Language Pathologist | Lakewood, WA | 2012 |
| Militsa Gregg, APRN.CNP | 1265938989 | Nurse Practitioner | Columbus, OH | 2018 |
| Miryana Gregg, MSPT | 1356713465 | Physical Therapist | College Place, WA | 2015 |
| Mitchell Gregg, M.D. | 1366547325 | Diagnostic Radiology Physician | Village Of Palmetto Bay, FL | 2006 |
| Molly Gregg, RN | 1669008264 | Registered Nurse | Birmingham, AL | 2020 |
| Monica Gregg, DPT | 1649115551 | Physical Therapist | Henrietta, NY | 2026 |
| Monique Gregg, PSYD | 1245267459 | Psychologist | Quincy, MA | 2006 |
| Morgan Gregg | 1770314734 | Counselor | Tonawanda, NY | 2024 |
| Morgan Gregg, LCSW | 1841747755 | Clinical Social Worker | Chattanooga, TN | 2016 |
| Nancy Gregg, ED.D. | 1114355815 | Clinical Psychologist | Brookline, MA | 2013 |
| Nancy Gregg, M.S., CCC-SLP, LSLS | 1245868520 | Speech-Language Pathologist | Mountain Brk, AL | 2020 |
| Natarcha Gregg, RD, LDN | 1902143985 | Renal Nutrition Registered Dietitian | Norfolk, VA | 2013 |
| Natasha Gregg, LCPC | 1316422439 | Professional Counselor | Kalispell, MT | 2018 |
| Nathan Gregg, DO | 1144061201 | Student in an Organized Health Care Education/Training Program | Conway, SC | 2024 |
| Nicholas Gregg, D.M.D. | 1164874046 | Dentist | Blountstown, FL | 2016 |
| Nicholas Gregg, M.D. | 1528401296 | Epilepsy Physician | Rochester, MN | 2013 |
| Nicholas Gregg, PHARMACIST | 1538563713 | Pharmacist | Oakland, MD | 2014 |
| Nichole Gregg | 1881138741 | Massage Therapist | Salem, OR | 2016 |
| Nicole Gregg, M.A., CCC-SLP | 1356883714 | Speech-Language Pathologist | Vacaville, CA | 2016 |
| Nicole Gregg, OTR/L | 1598165425 | Occupational Therapist | Albany, NY | 2014 |
| Nicole Gregg | 1679193254 | Certified Registered Nurse Anesthetist | Fort Myers, FL | 2020 |
| Nicolette Gregg | 1821535303 | Mental Health Counselor | Hillsboro, OR | 2017 |
| Olga Gregg | 1528881034 | Mental Health Counselor | Framingham, MA | 2024 |
| Olivia Gregg, PA-C | 1881207736 | Physician Assistant | Anchorage, AK | 2020 |
| Pamela Gregg, RN, BSN | 1427337880 | Registered Nurse | Klamath Falls, OR | 2011 |
| Pamela Gregg, NP | 1770510315 | Family Nurse Practitioner | Zeeland, MI | 2006 |
| Patricia Gregg, RDH | 1245582667 | Dental Hygienist | Saint Louis, MO | 2012 |
| Patricia Gregg, MD | 1326026303 | Anatomic Pathology & Clinical Pathology Physician | Leesburg, FL | 2006 |
| Patricia Gregg | 1780143008 | Registered Nurse | Lewes, DE | 2019 |
| Patrick Gregg, MD | 1346224201 | Ophthalmology Physician | Roseburg, OR | 2005 |
| Paul Gregg, MD | 1568413672 | Anesthesiology Physician | Duluth, MN | 2006 |
| Paul Gregg | 1952285934 | Mental Health Counselor | Roxbury, MA | 2025 |
| Paula Gregg, PH.D. | 1639467715 | Clinical Psychologist | Vacaville, CA | 2011 |
| Pauline Gregg, RN | 1871168260 | Registered Nurse | Ft Collins, CO | 2021 |
| Peggy Gregg, LMT | 1003709791 | Massage Therapist | Overland Park, KS | 2025 |
| Penny Gregg, MS/CCC-SLP | 1699109488 | Speech-Language Pathologist | Florence, WI | 2013 |
| Peter Gregg, MD | 1437262300 | Pediatrics Physician | Kamuela, HI | 2006 |
| Peter Gregg, MD | 1558564294 | Internal Medicine Physician | Baltimore, MD | 2007 |
| Philip Gregg, MA, CCC/SLP | 1124497813 | Speech-Language Pathologist | Wenatchee, WA | 2015 |
| Phillip Gregg, PA-C | 1164571709 | Physician Assistant | Cape Coral, FL | 2007 |
| Quintania Gregg | 1689561664 | Behavior Technician | Raleigh, NC | 2025 |
| Rachael Gregg, RN | 1447902184 | Registered Nurse | Camp Hill, PA | 2022 |
| Rachael Gregg | 1992349831 | Nurse Practitioner | Birmingham, AL | 2019 |
| Rachel Gregg, A.A. C.P.C. | 1003672320 | Counselor | Wapato, WA | 2024 |
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).