Providers Margo Simpson to Natalie Simpson, DDS
300 individual NPIs in the federal registry, part 20,270 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. 99 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Margo Simpson | 1659195311 | Psychiatric/Mental Health Nurse Practitioner | Lawrenceburg, TN | 2024 |
| Marguerite Simpson, AST BEHAVIOR ANALYST | 1386139418 | Behavior Technician | Bluffton, SC | 2018 |
| Maria Simpson, C.T. | 1043694003 | Mental Health Counselor | Columbus, OH | 2015 |
| Maria Simpson | 1619485364 | Mental Health Counselor | Pendleton, OR | 2018 |
| Maria Simpson, M.D. | 1922418763 | Physical Medicine & Rehabilitation Physician | Marietta, GA | 2014 |
| Mariaelena Simpson, RDHAP | 1952607483 | Dental Hygienist | Auburn, CA | 2011 |
| Mariah Simpson, MA, LAADC | 1306426499 | Addiction (Substance Use Disorder) Counselor | Auburn, CA | 2021 |
| Mariann Simpson, P.A. | 1245213883 | Physician Assistant | Cumming, GA | 2005 |
| Marianne Simpson | 1457103186 | Student in an Organized Health Care Education/Training Program | Opelika, AL | 2024 |
| Maricella Simpson | 1730945825 | Behavior Technician | Chandler, AZ | 2024 |
| Marie Simpson, LCSW | 1851568240 | Clinical Social Worker | Lexington, KY | 2008 |
| Marika Simpson | 1205528544 | Home Health Aide | Coral Springs, FL | 2023 |
| Marilyn Simpson, PSY.D. | 1770707218 | Clinical Psychologist | Pasadena, CA | 2007 |
| Marilyn Simpson | 1881308831 | Behavior Technician | Phoenix, AZ | 2023 |
| Marion Simpson, APRN | 1487009080 | Nurse Practitioner | Lexington, KY | 2016 |
| Marion Simpson | 1801350327 | Personal Care Attendant | Las Vegas, NV | 2019 |
| Marissa Simpson, CCC-SLP | 1023396876 | Speech-Language Pathologist | Baltimore, MD | 2011 |
| Marissa Simpson | 1619378049 | Licensed Practical Nurse | Allenhurst, GA | 2014 |
| Marissa Simpson, CNP | 1689298879 | Family Nurse Practitioner | Silver City, NM | 2020 |
| Marizela Simpson, MFT | 1073931283 | Mental Health Counselor | Los Angeles, CA | 2014 |
| Marjorie Simpson, PHD, CRNP | 1083686448 | Gerontology Nurse Practitioner | Westminster, MD | 2006 |
| Mark Simpson, LICSW | 1023368586 | Clinical Social Worker | Minneapolis, MN | 2012 |
| Mark Simpson, LICDC | 1174878987 | Addiction (Substance Use Disorder) Counselor | Columbus, OH | 2012 |
| Mark Simpson, PA-C | 1285087577 | Physician Assistant | Brawley, CA | 2016 |
| Mark Simpson, PH.D. | 1285757013 | Clinical Psychologist | Johnson City, TN | 2007 |
| Mark Simpson, PHD, CCC/SLP | 1316055379 | Speech-Language Pathologist | Detroit, MI | 2006 |
| Mark Simpson, M.D. | 1407837891 | Family Medicine Physician | Hixson, TN | 2005 |
| Mark Simpson, DDS | 1417914144 | Dentist | Charleston, WV | 2006 |
| Mark Simpson, D.D.S | 1518055987 | Endodontics | Tenafly, NJ | 2006 |
| Mark Simpson, PSYD, LADAC | 1518952662 | Prescribing (Medical) Psychologist | Albuquerque, NM | 2005 |
| Mark Simpson | 1558915942 | Behavior Technician | Fairbanks, AK | 2019 |
| Mark Simpson, MD | 1922048966 | Pediatrics Physician | Cary, NC | 2006 |
| Marli Simpson, M.A., LPC-MHSP, CPC | 1578939625 | Mental Health Counselor | Nashville, TN | 2015 |
| Marrie Simpson, P.A.-C. | 1205870813 | Physician Assistant | Roberts, WI | 2006 |
| Marshall Simpson, M.D. | 1841366291 | Family Medicine Physician | Winterville, NC | 2006 |
| Martha Simpson, O.D. | 1093891582 | Specialist | Galveston, TX | 2006 |
| Martha Simpson, PHD | 1114940764 | Psychologist | Raleigh, NC | 2006 |
| Martha Simpson, M.D. | 1134162555 | Pediatrics Physician | Winston Salem, NC | 2006 |
| Martha Simpson, DO | 1356343982 | General Practice Physician | Athens, OH | 2005 |
| Martha Simpson, LMFT, CSAT | 1447688205 | Marriage & Family Therapist | Los Angeles, CA | 2013 |
| Marvin Simpson | 1639877921 | Professional Counselor | Philadelphia, PA | 2023 |
| Mary Simpson | 1003932690 | Mental Health Counselor | Weaverville, CA | 2007 |
| Mary Simpson, NP | 1023181864 | Family Nurse Practitioner | Germantown, TN | 2006 |
| Mary Simpson, M.S.CCC-SLP | 1083769350 | Speech-Language Pathologist | Las Vegas, NM | 2007 |
| Mary Simpson, PA-C | 1275623480 | Physician Assistant | Columbus, GA | 2006 |
| Mary Simpson, COTA | 1326473356 | Occupational Therapy Assistant | Mancos, CO | 2013 |
| Mary Simpson | 1326553140 | Professional Counselor | Brentwood, MO | 2017 |
| Mary Simpson, RN | 1336442243 | Registered Nurse | Bronx, NY | 2010 |
| Mary Simpson, NP | 1407437825 | Family Nurse Practitioner | Elizabethtown, KY | 2021 |
| Mary Simpson | 1447969571 | Developmental Therapist | Carmel, IN | 2022 |
| Mary Simpson, OTR/L | 1568540284 | Occupational Therapist | Anderson, SC | 2006 |
| Mary Simpson, PMHNP-BC | 1679443451 | Psychiatric/Mental Health Nurse Practitioner | Roxbury, MA | 2025 |
| Mary Simpson, APRN-PMHNP, BC | 1700801891 | Psychiatric/Mental Health Nurse Practitioner | Bonham, TX | 2006 |
| Mary Simpson, M.S., CCC-SLP | 1730499658 | Speech-Language Pathologist | Lynchburg, VA | 2010 |
| Mary Simpson, ALC | 1801036298 | Addiction (Substance Use Disorder) Counselor | Daphne, AL | 2009 |
| Mary Simpson, ARNP | 1841221462 | Adult Health Nurse Practitioner | Seguin, TX | 2006 |
| Mary Ann Simpson, M.A. CCC-SLP | 1275764839 | Speech-Language Pathologist | Ithaca, NY | 2009 |
| Mary Ann Simpson, RN, CDE | 1396767463 | Diabetes Educator Registered Nurse | Raleigh, NC | 2006 |
| Mary Christina Simpson, M.D. | 1477732493 | Obstetrics & Gynecology Physician | Wakefield, RI | 2007 |
| Mary Kate Simpson, CCC-SLP | 1053167676 | Speech-Language Pathologist | Pittsburgh, PA | 2024 |
| Maryann Simpson, LCSW | 1417032780 | Clinical Social Worker | Ocala, FL | 2006 |
| Maryann Simpson, N.P. | 1548246846 | Nurse Practitioner | Folsom, CA | 2005 |
| Matalyn Simpson | 1699433631 | Behavior Technician | Lunenburg, MA | 2021 |
| Matiya Simpson | 1235061581 | Behavior Technician | Rockwall, TX | 2026 |
| Matthew Simpson, MD | 1003020116 | Surgical Critical Care Physician | Springfield, MO | 2007 |
| Matthew Simpson, O.D. | 1003080920 | Optometrist | Saint Louis, MO | 2008 |
| Matthew Simpson, CRNA | 1043497530 | Certified Registered Nurse Anesthetist | Cincinnati, OH | 2008 |
| Matthew Simpson, PHARM.D. | 1093283723 | Pharmacist | Fort Lauderdale, FL | 2018 |
| Matthew Simpson, MD | 1093455099 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2022 |
| Matthew Simpson, DC | 1134159809 | Chiropractor | Henderson, NV | 2006 |
| Matthew Simpson | 1215416334 | Behavior Analyst | Englewood, CO | 2018 |
| Matthew Simpson, ABOC, NCLEC, VA LIC | 1265126494 | Optician | Winchester, VA | 2023 |
| Matthew Simpson, D.C. | 1285769935 | Chiropractor | Fort Worth, TX | 2007 |
| Matthew Simpson, RPH, PHARMD | 1356869309 | Pharmacist | Hooksett, NH | 2017 |
| Matthew Simpson | 1457820896 | Certified Registered Nurse Anesthetist | Clearwater, FL | 2018 |
| Matthew Simpson, MD | 1518055433 | Family Medicine Physician | Montgomery, TX | 2006 |
| Matthew Simpson, M.D. | 1578839908 | Family Medicine Physician | Asheville, NC | 2012 |
| Matthew Simpson, LMHC | 1609425420 | Mental Health Counselor | Bellevue, WA | 2019 |
| Matthew Simpson, MD | 1639757115 | Diagnostic Radiology Physician | Salt Lake City, UT | 2021 |
| Matthew Simpson, PA-C, CTA | 1699023069 | Physician Assistant | Falls City, NE | 2012 |
| Matthew Simpson, CRNA | 1790070381 | Certified Registered Nurse Anesthetist | Hudson, FL | 2011 |
| Matthew Simpson | 1952190449 | Other Technician | Clarkston, MI | 2025 |
| Mattie Simpson | 1801413539 | Behavior Analyst | Las Vegas, NV | 2020 |
| Maureen Simpson, LGPC | 1366308470 | Professional Counselor | Highland, MD | 2026 |
| Maureen Simpson, RN | 1881315786 | Registered Nurse | Colorado Springs, CO | 2022 |
| Maureen Simpson, PTA | 1891091302 | Physical Therapy Assistant | Salem, MA | 2011 |
| Maximilian Simpson, HIS | 1366138422 | Hearing Instrument Specialist | Jackson, OH | 2023 |
| Maxine Simpson | 1679338826 | Behavior Technician | Deerfield Beach, FL | 2024 |
| Maya Simpson | 1578396347 | Behavior Technician | Concord, CA | 2024 |
| McKenna Simpson, OTD, OTR/L | 1629325667 | Occupational Therapist | Chicago, IL | 2012 |
| McKenzie Simpson, CRNA | 1447049713 | Certified Registered Nurse Anesthetist | Ponca City, OK | 2025 |
| McKenzie Simpson, RDH | 1548070162 | Dental Hygienist | Clinton, MO | 2025 |
| McLane Simpson, MD | 1528177151 | Family Medicine Physician | Post Falls, ID | 2006 |
| Meagan Simpson, M.D. | 1366837742 | Dermatology Physician | Bethesda, MD | 2015 |
| Meagan Simpson | 1881155539 | Physical Therapist | Dover Foxcroft, ME | 2019 |
| Megan Simpson, APRN | 1013419662 | Family Nurse Practitioner | Tulsa, OK | 2018 |
| Megan Simpson | 1043612385 | Mental Health Counselor | Carmel, IN | 2014 |
| Megan Simpson, DO | 1174028062 | Pediatric Cardiology Physician | Milwaukee, WI | 2018 |
| Megan Simpson, NP-C | 1184145096 | Family Nurse Practitioner | Lincoln, NE | 2017 |
| Megan Simpson | 1356281166 | Student in an Organized Health Care Education/Training Program | Cincinnati, OH | 2026 |
| Megan Simpson | 1386165280 | Counselor | Salem, MA | 2017 |
| Megan Simpson, MSN, CNS, ACNS-BC | 1396461539 | Adult Health Clinical Nurse Specialist | Greenville, NC | 2022 |
| Megan Simpson | 1417308016 | Counselor | Bentonville, AR | 2016 |
| Megan Simpson, LISW | 1437443025 | Clinical Social Worker | Sioux City, IA | 2011 |
| Megan Simpson, NP-C | 1568913895 | Nurse Practitioner | Wheeling, WV | 2016 |
| Megan Simpson, PPS | 1649898263 | School Counselor | Fresno, CA | 2020 |
| Megan Simpson, DDS | 1679359723 | General Practice Dentistry | Alpharetta, GA | 2023 |
| Megan Simpson, PHARM D. | 1891459111 | Pharmacist | Dadeville, AL | 2021 |
| Megan Simpson, DPT | 1902194384 | Physical Therapist | Charlotte, NC | 2011 |
| Megan Simpson, LPCA, NCC | 1982044293 | Mental Health Counselor | Asheville, NC | 2013 |
| Meghan Simpson, APRN-RNP | 1063285898 | Women's Health Nurse Practitioner | Yuma, AZ | 2023 |
| Meghan Simpson, OTR/L | 1104438704 | Occupational Therapist | Chattanooga, TN | 2020 |
| Meghan Simpson, CDCA | 1194272096 | Counselor | Bryan, OH | 2016 |
| Meghan Simpson, PHARMD | 1467054759 | Pharmacist | Westfield, PA | 2020 |
| Meghan Simpson, CRNA | 1467749325 | Certified Registered Nurse Anesthetist | Fort Myers, FL | 2011 |
| Meghan Simpson, NP-C | 1811371834 | Family Nurse Practitioner | Findlay, OH | 2015 |
| Meghann Simpson | 1073281747 | Counselor | Cheektowaga, NY | 2021 |
| Mekayla Simpson | 1083383368 | Mental Health Counselor | Dixon, IL | 2021 |
| Mekhi Simpson | 1598579716 | Personal Care Attendant | Omaha, NE | 2025 |
| Melanie Simpson, MS, RD, LD | 1023826641 | Registered Dietitian | Houston, TX | 2024 |
| Melanie Simpson | 1194978429 | Student in an Organized Health Care Education/Training Program | Layton, UT | 2008 |
| Melanie Simpson, LMFTA | 1265250328 | Marriage & Family Therapist | Seattle, WA | 2024 |
| Melanie Simpson, MD | 1275796518 | Family Medicine Physician | Saint Cloud, FL | 2008 |
| Melanie Simpson | 1487147989 | Behavior Analyst | Sapulpa, OK | 2018 |
| Melanie Simpson | 1740319466 | Certified Registered Nurse Anesthetist | Houston, TX | 2007 |
| Melecia Simpson | 1326873746 | Behavior Analyst | Nutley, NJ | 2024 |
| Melinda Simpson, LPC | 1154644201 | Professional Counselor | Atlanta, GA | 2010 |
| Melinda Simpson, FNP | 1952521155 | Family Nurse Practitioner | Salem, VA | 2007 |
| Melissa Simpson, NP | 1003483587 | Adult Health Nurse Practitioner | Rochester, NY | 2021 |
| Melissa Simpson, PT | 1033831870 | Physical Therapist | Victoria, TX | 2022 |
| Melissa Simpson | 1093642373 | Behavior Technician | Davie, FL | 2026 |
| Melissa Simpson | 1114342144 | Speech-Language Pathologist | Benton, IL | 2014 |
| Melissa Simpson, LMFT | 1144650458 | Marriage & Family Therapist | South Pasadena, CA | 2013 |
| Melissa Simpson, MA, LPC CANDIDATE | 1154543056 | Mental Health Counselor | Oklahoma City, OK | 2007 |
| Melissa Simpson, LPN | 1255186201 | Licensed Practical Nurse | West Lebanon, NH | 2024 |
| Melissa Simpson, APRN | 1265039309 | Family Nurse Practitioner | Lexington, KY | 2020 |
| Melissa Simpson, NCC, LPCS, LCAS | 1316071038 | Addiction (Substance Use Disorder) Counselor | Durham, NC | 2007 |
| Melissa Simpson, RD | 1316815822 | Registered Dietitian | San Francisco, CA | 2025 |
| Melissa Simpson, LPC | 1417897885 | Mental Health Counselor | Austin, TX | 2026 |
| Melissa Simpson, LPN | 1457610818 | Licensed Practical Nurse | Fairfield, IL | 2012 |
| Melissa Simpson, NP | 1508578816 | Family Nurse Practitioner | Nashville, TN | 2022 |
| Melissa Simpson | 1508665043 | Home Health Aide | Madison, OH | 2025 |
| Melissa Simpson, BASDH, RDH | 1548930928 | Specialist | Auburn, WA | 2021 |
| Melissa Simpson | 1558748319 | Case Manager/Care Coordinator | Norman, OK | 2015 |
| Melissa Simpson, M.A. | 1578832440 | Mental Health Counselor | Lafayette, IN | 2011 |
| Melissa Simpson, LPC | 1689055816 | Professional Counselor | Castle Pines, CO | 2015 |
| Melissa Simpson, NP-C | 1780826750 | Nurse Practitioner | Thomasville, GA | 2009 |
| Melissa Simpson, COTA/L | 1841958154 | Occupational Therapy Assistant | North Tonawanda, NY | 2021 |
| Melissa Simpson | 1851189823 | Peer Specialist | Cincinnati, OH | 2025 |
| Melissa Simpson | 1922997048 | Developmental Therapist | West Lafayette, IN | 2025 |
| Melissa Simpson | 1942884127 | Case Manager/Care Coordinator | Spearfish, SD | 2021 |
| Melody Simpson | 1790058592 | Case Manager/Care Coordinator | Altamonte Springs, FL | 2012 |
| Melody Simpson | 1881066256 | Mental Health Counselor | Albany, NY | 2015 |
| Mercedes Simpson | 1831705854 | Social Worker | Tulsa, OK | 2020 |
| Mercy Simpson, NP | 1356054712 | Adult Health Nurse Practitioner | Athol, MA | 2022 |
| Meredith Simpson, MS, LMFT | 1538476213 | Marriage & Family Therapist | San Rafael, CA | 2010 |
| Meredith Simpson, MS, ATC | 1821480682 | Athletic Trainer | Crest Hill, IL | 2015 |
| Meredith Simpson, LPC | 1891640272 | Professional Counselor | Philadelphia, PA | 2026 |
| Merideth Simpson, RN | 1609072271 | Ambulatory Women's Health Care Registered Nurse | Sonoma, CA | 2007 |
| Meriel Simpson, PA-C | 1679944227 | Medical Physician Assistant | New York, NY | 2015 |
| Merle Simpson, RRT | 1952523243 | Critical Care Registered Respiratory Therapist | Scotsbluff, NE | 2007 |
| Merrell Simpson, REGISTERED NURSE | 1558556563 | Registered Nurse | Kamiah, ID | 2007 |
| Miara Simpson, LBA, BCBA | 1003370776 | Behavior Analyst | Pearland, TX | 2019 |
| Michael Simpson, M.ED., LPC | 1033413992 | Professional Counselor | Harrisonburg, VA | 2011 |
| Michael Simpson, DPT | 1053743278 | Physical Therapist | Santa Cruz, CA | 2013 |
| Michael Simpson, PHARMD | 1053885046 | Pharmacist | Burlington, NC | 2019 |
| Michael Simpson, MHC-LP | 1114855046 | Mental Health Counselor | Port Jefferson, NY | 2026 |
| Michael Simpson, D.D.S. | 1134437312 | Endodontics | Sun City West, AZ | 2010 |
| Michael Simpson, M.D. | 1194895680 | Obesity Medicine (Family Medicine) Physician | Chicago, IL | 2006 |
| Michael Simpson, M.D. | 1205823184 | Internal Medicine Physician | Smyrna, GA | 2005 |
| Michael Simpson, MD | 1245208321 | Internal Medicine Physician | Troy, MI | 2006 |
| Michael Simpson | 1285499806 | Behavior Technician | Bronx, NY | 2024 |
| Michael Simpson, PA-C | 1295175453 | Physician Assistant | Salisbury, MD | 2013 |
| Michael Simpson | 1295970135 | Mental Health Counselor | Indio, CA | 2008 |
| Michael Simpson, OD | 1316039043 | Optometrist | Clearfield, PA | 2006 |
| Michael Simpson, M.D. | 1326078247 | Anesthesiology Physician | Harlingen, TX | 2006 |
| Michael Simpson | 1326925785 | Community Health Worker | Cincinnati, OH | 2025 |
| Michael Simpson, MS SLP-CCC | 1346403979 | Speech-Language Pathologist | Colton, CA | 2008 |
| Michael Simpson | 1346887221 | Attendant Care Provider | University Place, WA | 2019 |
| Michael Simpson | 1356839955 | Emergency Medicine Physician | Nashville, TN | 2018 |
| Michael Simpson, APRN | 1376135624 | Family Nurse Practitioner | Worcester, MA | 2021 |
| Michael Simpson, MD | 1386132645 | Student in an Organized Health Care Education/Training Program | Morristown, NJ | 2018 |
| Michael Simpson, LPC | 1407448855 | Professional Counselor | Tucson, AZ | 2021 |
| Michael Simpson, PH.D | 1417084658 | School Psychologist | Las Cruces, NM | 2007 |
| Michael Simpson | 1437765294 | Personal Care Attendant | Hurricane, WV | 2020 |
| Michael Simpson, P.T. | 1447234372 | Physical Therapist | Beaumont, TX | 2005 |
| Michael Simpson, MD | 1457373011 | Orthopaedic Foot and Ankle Surgery Physician | Colorado Springs, CO | 2006 |
| Michael Simpson, AU.D. | 1477166429 | Audiologist | Dallas, TX | 2020 |
| Michael Simpson, M.D. | 1477768497 | Emergency Medicine Physician | Temple, TX | 2007 |
| Michael Simpson, MD | 1497783849 | Dermatology Physician | El Paso, TX | 2006 |
| Michael Simpson, D.M.D. | 1508087479 | Dentist | Oviedo, FL | 2007 |
| Michael Simpson, COTA/L | 1629412549 | Occupational Therapy Assistant | Chicago, IL | 2013 |
| Michael Simpson, PT, DPT | 1629706676 | Physical Therapist | Anaheim, CA | 2022 |
| Michael Simpson, MD | 1669562039 | Interventional Cardiology Physician | Birmingham, AL | 2006 |
| Michael Simpson, M.D. | 1669735577 | Internal Medicine Physician | Pensacola, FL | 2012 |
| Michael Simpson, PA-C | 1679828768 | Physician Assistant | Cheverly, MD | 2012 |
| Michael Simpson | 1699168559 | Adult Companion | Sacramento, CA | 2015 |
| Michael Simpson, DO | 1780652719 | Family Medicine Physician | Dublin, VA | 2006 |
| Michael Simpson, PH.D. | 1790878395 | Clinical Psychologist | Oviedo, FL | 2006 |
| Michael Simpson, FNP-C | 1801978861 | Family Nurse Practitioner | Shingletown, CA | 2006 |
| Michael Simpson, ACSW | 1821910746 | Clinical Social Worker | San Diego, CA | 2026 |
| Michael Simpson | 1831566173 | Hearing Instrument Specialist | Knoxville, TN | 2015 |
| Michael Simpson | 1861184616 | Optician | Bridgeton, NJ | 2023 |
| Michaela Simpson, MD | 1336898352 | Pediatrics Physician | Milwaukee, WI | 2022 |
| Michal Simpson, MSW | 1609996636 | Social Worker | Norman, OK | 2007 |
| Michele Simpson, DDS | 1871661710 | Dentist | Wilmington, NC | 2006 |
| Michelle Simpson, NP | 1053352120 | Nurse Practitioner | Imlay City, MI | 2006 |
| Michelle Simpson | 1205771144 | Psychologist | Alexandria, VA | 2026 |
| Michelle Simpson, CRNP | 1376547901 | Nurse Practitioner | Birmingham, AL | 2005 |
| Michelle Simpson, PHARM D | 1396960290 | Pharmacist | Hudson, WI | 2007 |
| Michelle Simpson, CRNA | 1407936933 | Certified Registered Nurse Anesthetist | Toledo, OH | 2006 |
| Michelle Simpson, LCSW LSCSW | 1457415200 | Social Worker | Prairie Village, KS | 2006 |
| Michelle Simpson, OD | 1538121728 | Optometrist | Cambridge, MN | 2006 |
| Michelle Simpson, OTR | 1700973393 | Pediatric Occupational Therapist | Austin, TX | 2006 |
| Michelle Simpson, MSW | 1780214478 | Clinical Social Worker | Manteca, CA | 2020 |
| Michelle Simpson, BSW | 1871935684 | Case Manager/Care Coordinator | Kennett, MO | 2013 |
| Michelle Simpson, LCSW | 1932467669 | Clinical Social Worker | Kailua Kona, HI | 2012 |
| Michelle Simpson, PHARMD | 1962815514 | Pharmacist | Charlotte, NC | 2014 |
| Michelli Simpson, LMHCA | 1205238599 | Mental Health Counselor | Seattle, WA | 2014 |
| Mickaela Simpson | 1548063407 | Day Training/Habilitation Specialist | Elkhorn, NE | 2025 |
| Mikayla Simpson | 1477033355 | Pharmacist | Catlettsburg, KY | 2018 |
| Mikayla Simpson | 1902590540 | Speech-Language Pathologist | Toledo, OH | 2023 |
| Mike Simpson | 1518185230 | Speech-Language Pathologist | Wakarusa, KS | 2007 |
| Mikesha Simpson | 1265796825 | Home Health Aide | Washington, DC | 2012 |
| Mikyla Simpson | 1104754944 | Behavior Technician | Brooklyn, NY | 2026 |
| Milica Simpson, M.D. | 1053510834 | Internal Medicine Physician | Malibu, CA | 2007 |
| Milo Simpson, PA-C | 1780216010 | Physician Assistant | Nashville, TN | 2020 |
| Mindy Simpson, M.D. | 1164477246 | Pediatric Hematology & Oncology Physician | Chicago, IL | 2006 |
| Mindy Simpson | 1639949506 | Case Manager/Care Coordinator | Ada, OK | 2024 |
| Mindy Simpson, DNP, FNP-C | 1679176796 | Family Nurse Practitioner | Draper, UT | 2020 |
| Mindy Simpson | 1760888077 | Certified Registered Nurse Anesthetist | Dallas, TX | 2014 |
| Miriah Simpson, COTA/L, A.S | 1396327532 | Occupational Therapy Assistant | Phoenix, AZ | 2021 |
| Misty Simpson, FNP | 1174134092 | Nurse Practitioner | Morristown, TN | 2020 |
| Misty Simpson, RN, MSN, RNFA, ACNP- | 1538311741 | Acute Care Nurse Practitioner | Irving, TX | 2008 |
| Misty Simpson, M.S., CCC-SLP | 1598900391 | Speech-Language Pathologist | Fayetteville, AR | 2008 |
| Mitchell Simpson, MS, PT | 1346346293 | Physical Therapist | Teaneck, NJ | 2006 |
| Miyoushi Simpson | 1962806828 | Specialist | Birmingham, AL | 2014 |
| Molly Simpson, APRN | 1073180071 | Family Nurse Practitioner | Vero Beach, FL | 2021 |
| Molly Simpson, DO | 1174382501 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2024 |
| Molly Simpson, AUD | 1235445016 | Audiologist | Blue Ash, OH | 2010 |
| Molly Simpson | 1265369987 | Social Worker | New York, NY | 2026 |
| Molly Simpson | 1285475079 | Marriage & Family Therapist | Belmont, CA | 2024 |
| Molly Simpson, LMP | 1306211602 | Massage Therapist | Seattle, WA | 2015 |
| Molly Simpson | 1306433123 | Personal Care Attendant | Milton, WV | 2020 |
| Molly Simpson, LMSW | 1598926610 | Social Worker | Buda, TX | 2008 |
| Molly Simpson | 1609651892 | Speech-Language Pathologist | Bellbrook, OH | 2023 |
| Molly Simpson | 1831322775 | Social Worker | Oklahoma City, OK | 2009 |
| Monica Simpson, IBCLC | 1144174285 | Lactation Consultant (Non-RN) | Washington, DC | 2026 |
| Monica Simpson, LPC | 1366801037 | Professional Counselor | Grand Prairie, TX | 2016 |
| Monica Simpson, APRN | 1477658276 | Nurse Practitioner | Palm Springs, FL | 2006 |
| Monique Simpson, SLP-CCC | 1134629488 | Speech-Language Pathologist | Nashville, TN | 2018 |
| Monique Simpson | 1154065928 | Professional Counselor | Fresno, CA | 2022 |
| Monique Simpson | 1215299649 | Occupational Therapy Assistant | Pueblo, CO | 2012 |
| Monique Simpson | 1255656690 | Counselor | Ny, NY | 2010 |
| Monique Simpson | 1598694754 | Behavior Technician | Elk Grove, CA | 2026 |
| Monique Simpson, M.D. | 1790105369 | Psychiatry Physician | Aspinwall, PA | 2014 |
| Montana Simpson, DO | 1659173292 | Military Health Care Provider | Bethesda, MD | 2025 |
| Morgan Simpson, PHARMD | 1235711136 | Pharmacist | Lebanon, NH | 2021 |
| Morgan Simpson | 1235948670 | Lactation Consultant (Registered Nurse) | Washington, DC | 2024 |
| Morgan Simpson, M.S, NCC, LPC | 1275457079 | Mental Health Counselor | Dallas, TX | 2026 |
| Morgan Simpson, ATC, LAT | 1295727667 | Athletic Trainer | Bolivar, MO | 2005 |
| Morgan Simpson | 1346972148 | Foot & Ankle Surgery Podiatrist | Vestal, NY | 2022 |
| Morgan Simpson | 1407699861 | Addiction (Substance Use Disorder) Counselor | North Platte, NE | 2024 |
| Morgan Simpson, FNP-C | 1548707409 | Primary Care Nurse Practitioner | Brownsville, TN | 2017 |
| Morgan Simpson, DC, CBD | 1689394512 | Doula | Blakely, GA | 2022 |
| Morgan Simpson, LICSW | 1740132406 | Clinical Social Worker | Washington, DC | 2026 |
| Morgen Simpson, LICSW | 1356075253 | Clinical Social Worker | Eagan, MN | 2022 |
| Murene Simpson | 1942531520 | Licensed Practical Nurse | Smithtown, NY | 2010 |
| My Na Simpson, PHARMD | 1326973900 | Oncology Pharmacist | Zionsville, IN | 2026 |
| Myra Simpson, DMD | 1629592886 | General Practice Dentistry | Summerville, GA | 2017 |
| Myrna Simpson, RN | 1629643168 | Registered Nurse | Lacey, WA | 2021 |
| Myrtle Simpson, HEALTH CARE PROVIDER | 1033307947 | Driver | Missouri City, TX | 2007 |
| Myrtle Simpson | 1336916766 | Registered Nurse | Brooklyn, NY | 2023 |
| Nadeen Simpson | 1558793075 | Licensed Practical Nurse | Bronx, NY | 2013 |
| Nadia Simpson | 1366366247 | Behavior Technician | Melbourne, FL | 2026 |
| Nadine Simpson, CRNP, DNP | 1386504777 | Nurse Practitioner | Baltimore, MD | 2025 |
| Nadiya Simpson | 1407742620 | Nurse's Aide | Omaha, NE | 2025 |
| Nadya Simpson, PHARMD | 1457734279 | Pharmacist | Cocoa, FL | 2015 |
| Nafiza Simpson | 1972186906 | Mental Health Counselor | Seffner, FL | 2021 |
| Nalani-Simone Simpson | 1295551620 | Day Training/Habilitation Specialist | San Francisco, CA | 2024 |
| Nan Simpson, LCSW | 1689117053 | Clinical Social Worker | Unity, ME | 2016 |
| Nana Simpson, MD | 1265061618 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2020 |
| Nancy Simpson, PT | 1154610350 | Physical Therapist | Phoenix, MD | 2011 |
| Nancy Simpson, PHD | 1255573861 | Professional Counselor | Houston, TX | 2009 |
| Nancy Simpson, MFT | 1265597678 | Mental Health Counselor | Juneau, AK | 2006 |
| Nancy Simpson, PSYD | 1356010235 | Clinical Psychologist | Ravenel, SC | 2021 |
| Nancy Simpson, CRNA | 1386624757 | Certified Registered Nurse Anesthetist | Hickory, NC | 2006 |
| Nancy Simpson, RD LDN | 1386811339 | Registered Dietitian | High Point, NC | 2008 |
| Nancy Simpson, RN | 1386818185 | Home Health Registered Nurse | Cody, WY | 2008 |
| Nancy Simpson | 1427719897 | Adult Psychiatric/Mental Health Registered Nurse | Layton, UT | 2022 |
| Nancy Simpson | 1679261119 | Mental Health Counselor | Louisa, KY | 2023 |
| Nancy Simpson, PTA | 1750538237 | Physical Therapy Assistant | Pana, IL | 2008 |
| Nancy Simpson, BSN, RN | 1841461340 | Case Management Registered Nurse | El Paso, TX | 2008 |
| Naniek Simpson | 1578909503 | Licensed Practical Nurse | Jonesboro, GA | 2013 |
| Naomi Simpson, LCSW | 1003353632 | Clinical Social Worker | Loganville, GA | 2017 |
| Narasha Simpson | 1235095811 | Behavior Technician | Columbia, SC | 2025 |
| Natalie Simpson, DMD | 1063640613 | General Practice Dentistry | Greer, SC | 2009 |
| Natalie Simpson | 1073182747 | Occupational Therapy Assistant | Kuttawa, KY | 2021 |
| Natalie Simpson | 1093693988 | Behavior Technician | Sherman, TX | 2025 |
| Natalie Simpson, DDS | 1184760522 | General Practice Dentistry | Marietta, GA | 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).