Providers Leslie Armstrong, MPT to Michelle Armstrong, PA-C
300 individual NPIs in the federal registry, part 871 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. 94 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Leslie Armstrong, MPT | 1992985584 | Physical Therapist | Shreveport, LA | 2007 |
| Lesslie Armstrong | 1285974360 | Adult Companion | San Diego, CA | 2013 |
| Levi Armstrong, PSY.D. | 1073950093 | Clinical Neuropsychologist | Wylie, TX | 2013 |
| Lexie Armstrong, CRNP | 1710259775 | Pediatric Nurse Practitioner | Pittsburgh, PA | 2012 |
| Lexy Armstrong | 1821974288 | Athletic Trainer | Manchester, MD | 2025 |
| Liam Armstrong | 1154163731 | Student in an Organized Health Care Education/Training Program | Toledo, OH | 2024 |
| Lily Armstrong, LPC | 1093280729 | Mental Health Counselor | Gresham, OR | 2018 |
| Linda Armstrong, MD | 1023720323 | Pulmonary Disease Physician | New York, NY | 2022 |
| Linda Armstrong, ACUPUNCTURIST | 1235603556 | Acupuncturist | Tulsa, OK | 2019 |
| Linda Armstrong, M.D. | 1275717258 | Pediatrics Physician | San Francisco, CA | 2007 |
| Linda Armstrong, DO | 1285841916 | Diagnostic Radiology Physician | Augusta, GA | 2007 |
| Linda Armstrong, LCSW | 1366334773 | Clinical Social Worker | Miami, FL | 2025 |
| Linda Armstrong | 1437416674 | Home Health Aide | Washington, DC | 2012 |
| Linda Armstrong, NP | 1720527211 | Family Nurse Practitioner | New York, NY | 2017 |
| Linda Armstrong, MFT | 1912033960 | Mental Health Counselor | San Diego, CA | 2007 |
| Linda Armstrong | 1942184940 | Social Worker | Brooklyn, NY | 2025 |
| Linda Armstrong, PA-C | 1992973481 | Physician Assistant | Uniontown, OH | 2008 |
| Lindsay Armstrong, LMT | 1144574153 | Massage Therapist | Portland, OR | 2012 |
| Lindsay Armstrong, PA | 1316497613 | Physician Assistant | St Petersburg, FL | 2016 |
| Lindsay Armstrong, LMT | 1447560503 | Specialist | Lynnwood, WA | 2010 |
| Lindsay Armstrong, CCC-SLP | 1730440082 | Speech-Language Pathologist | Simpsonville, SC | 2012 |
| Lindsay Armstrong, CPNP | 1871895045 | Pediatric Registered Nurse | Round Rock, TX | 2010 |
| Lindsay Armstrong, PA-C | 1932488012 | Surgical Physician Assistant | Detroit, MI | 2011 |
| Lindsey Armstrong, LMSW | 1174244024 | Social Worker | Tampa, FL | 2022 |
| Lindsey Armstrong, CCC-SLP | 1285708289 | Speech-Language Pathologist | Abilene, TX | 2006 |
| Lindsey Armstrong | 1376317719 | Case Manager/Care Coordinator | Cincinnati, OH | 2023 |
| Lindsey Armstrong, L.AC | 1720120850 | Acupuncturist | Portland, OR | 2007 |
| Lindsey Armstrong, M.D. | 1831455195 | Pediatric Surgery Physician | Orlando, FL | 2012 |
| Linet Armstrong, MS, NCC, QMHP | 1225189079 | Mental Health Counselor | Eugene, OR | 2007 |
| Lisa Armstrong | 1063290344 | Clinical Social Worker | Philadelphia, PA | 2023 |
| Lisa Armstrong, PHARMD | 1144952334 | Pharmacist | Fayetteville, AR | 2022 |
| Lisa Armstrong, R.PH. | 1326254574 | Pharmacist | Salem, NH | 2007 |
| Lisa Armstrong, APRN-CNP | 1326548660 | Acute Care Nurse Practitioner | Tulsa, OK | 2018 |
| Lisa Armstrong, LCSW | 1336243799 | Clinical Social Worker | Tampa, FL | 2006 |
| Lisa Armstrong, APRN | 1356738876 | Nurse Practitioner | Exeter, NH | 2015 |
| Lisa Armstrong | 1376016113 | Speech-Language Pathologist | Towson, MD | 2019 |
| Lisa Armstrong | 1386425346 | Optician | Shepherdsville, KY | 2023 |
| Lisa Armstrong, CRNP | 1497985766 | Acute Care Nurse Practitioner | Huntsville, AL | 2009 |
| Lisa Armstrong, MPT | 1699145003 | Physical Therapist | Gardendale, AL | 2015 |
| Lisa Armstrong, RBT | 1710571419 | Behavior Technician | Fort Wayne, IN | 2021 |
| Lisa Armstrong | 1801373212 | Physical Therapy Assistant | Livingston, MT | 2018 |
| Lisa Armstrong | 1912601881 | Behavior Technician | Eastpointe, MI | 2023 |
| Lisa Armstrong, M.D. | 1942481536 | Emergency Medicine Physician | Morristown, NJ | 2007 |
| Lizmary Armstrong, CNM | 1699666487 | Midwife | Oviedo, FL | 2025 |
| Lloyd Armstrong, D.P.M. | 1154384980 | Geriatric Medicine (Internal Medicine) Physician | Durham, NC | 2006 |
| Logan Armstrong, PA-C | 1104451319 | Physician Assistant | Ocala, FL | 2020 |
| Logan Armstrong, LAT, ATC | 1134591431 | Athletic Trainer | Indianapolis, IN | 2015 |
| Logan Armstrong | 1962359216 | Student in an Organized Health Care Education/Training Program | Conroe, TX | 2026 |
| Lonisha Armstrong | 1891517199 | Adult Companion | Sacramento, CA | 2024 |
| Lorenda Armstrong, M.A., L.P.C. | 1710237938 | Professional Counselor | Leesville, LA | 2012 |
| Loretta Armstrong, APRN | 1003591017 | Psychiatric/Mental Health Nurse Practitioner | Chicago, IL | 2023 |
| Lori Armstrong, NP | 1275635955 | Nurse Practitioner | Sault Sainte Marie, MI | 2006 |
| Lori Armstrong | 1376710061 | Mental Health Counselor | Concord, CA | 2008 |
| Lori Armstrong, MNT | 1508923319 | Registered Dietitian | Wyandotte, MI | 2007 |
| Lori Armstrong, CEAP, LEAP | 1518301498 | Counselor | Stoneville, NC | 2013 |
| Lori Armstrong, APRN-C | 1548708282 | Adult Health Nurse Practitioner | New Port Richey, FL | 2017 |
| Lori Armstrong, D.O. | 1811955255 | Diagnostic Radiology Physician | Hartford, CT | 2006 |
| Lori Armstrong, PHD | 1851331938 | Clinical Psychologist | Omaha, NE | 2006 |
| Lori Armstrong | 1922423920 | Registered Nurse | Pine Ridge, SD | 2014 |
| Lorraine Armstrong, MD | 1467909150 | Pediatrics Physician | Saint Clair Shores, MI | 2016 |
| Louanne Armstrong, DPT | 1912913732 | Physical Therapist | Shepherdsville, KY | 2006 |
| Louella Armstrong, COUNSELOR | 1144064882 | Addiction (Substance Use Disorder) Counselor | Calhoun, GA | 2024 |
| Louise Armstrong | 1043430044 | Occupational Therapist | Eau Claire, WI | 2007 |
| Lu-Ann Armstrong, RN | 1184950040 | School Registered Nurse | Tempe, AZ | 2009 |
| Lucas Armstrong, MD | 1174783880 | Orthopaedic Surgery Physician | Bloomington, IL | 2008 |
| Lucas Armstrong, P.T. | 1780833368 | Physical Therapist | Golden, CO | 2008 |
| Lucille Armstrong, LCSW, LMFT | 1194052894 | Clinical Social Worker | Grand Prairie, TX | 2009 |
| Lucinda Armstrong, MSW, LCSW | 1710348834 | Clinical Social Worker | Mountain Brk, AL | 2016 |
| Luis Armstrong, M.D. | 1952411670 | Gastroenterology Physician | Casper, WY | 2006 |
| Luke Armstrong, OD | 1063030302 | Optometrist | Mattoon, IL | 2020 |
| Luke Armstrong, CRNA | 1598336463 | Certified Registered Nurse Anesthetist | Portland, OR | 2021 |
| Luna Armstrong, LM, CPM | 1326260134 | Lay Midwife | Albion, CA | 2007 |
| Lydia Armstrong, MD | 1730981671 | Student in an Organized Health Care Education/Training Program | Cincinnati, OH | 2025 |
| Lynda Armstrong, LMSW | 1376317453 | Social Worker | Astoria, OR | 2023 |
| Lynda Armstrong, O.T.R. | 1992927164 | Pediatric Occupational Therapist | Missouri City, TX | 2007 |
| Lyndi Armstrong, APRN-CNP | 1548870959 | Family Nurse Practitioner | Granbury, TX | 2020 |
| Lyndsey Armstrong, PA | 1205496908 | Physician Assistant | Ithaca, NY | 2019 |
| Lynette Armstrong | 1033460787 | Licensed Vocational Nurse | Anaheim, CA | 2012 |
| Lynette Armstrong | 1326537283 | Mental Health Counselor | Cleveland, TN | 2018 |
| Lynn Armstrong, LPC-MHSP | 1285396424 | Professional Counselor | Murfreesboro, TN | 2021 |
| Lynn Armstrong, FNP-BC | 1992032940 | Family Nurse Practitioner | Redondo Beach, CA | 2009 |
| Mackenzie Armstrong, PA-C | 1225612385 | Physician Assistant | Corryton, TN | 2021 |
| Mackenzie Armstrong, OTR/L | 1689329583 | Occupational Therapist | Willard, MO | 2022 |
| Madalyn Armstrong | 1164174926 | Behavior Technician | Grandville, MI | 2022 |
| Madeleine Armstrong | 1407607468 | Behavior Technician | Houston, TX | 2024 |
| Madeline Armstrong, LPC | 1073390688 | Mental Health Counselor | Tomah, WI | 2023 |
| Madeline Armstrong, PA-C | 1497400741 | Physician Assistant | Columbus, GA | 2022 |
| Madeline Armstrong | 1699471565 | Clinical Social Worker | San Diego, CA | 2023 |
| Madeline Armstrong | 1982473666 | Personal Care Attendant | Charleston, WV | 2023 |
| Madelyn Armstrong | 1255259677 | Genetic Counselor (M.S.) | Dallas, TX | 2026 |
| Madison Armstrong | 1073072716 | Mental Health Counselor | Franklin, MA | 2019 |
| Madison Armstrong | 1114841509 | Behavior Technician | Beltsville, MD | 2026 |
| Madison Armstrong | 1124912266 | Physician Assistant | Southfield, MI | 2025 |
| Madoline Armstrong | 1417837535 | Mental Health Counselor | Medford, OR | 2025 |
| Maeci Armstrong, RDN | 1649149147 | Registered Dietitian | Providence, UT | 2025 |
| Mahogany Armstrong, RN | 1982235206 | Registered Nurse | Cincinnati, OH | 2020 |
| Makelia Armstrong | 1598514853 | Social Worker | Detroit, MI | 2024 |
| Makenna Armstrong | 1407501851 | Behavior Technician | Tulsa, OK | 2022 |
| Makenzie Armstrong | 1306769450 | Behavior Technician | Anderson, IN | 2026 |
| Malcolm Armstrong | 1558760553 | Pharmacist | Mandeville, LA | 2014 |
| Mallory Armstrong, DPT | 1205285251 | Orthopedic Physical Therapist | Lincoln, NE | 2016 |
| Mallory Armstrong | 1609527175 | Athletic Trainer | North Andover, MA | 2022 |
| Mallory Armstrong | 1619718467 | Social Worker | Riverton, KS | 2024 |
| Mallory Armstrong, PA-C | 1679990451 | Physician Assistant | Fairfax, VA | 2014 |
| Mallory Armstrong, MSW | 1740849033 | Clinical Social Worker | Fort Collins, CO | 2019 |
| Mammie Armstrong | 1770416430 | Peer Specialist | Valliant, OK | 2026 |
| Mandi Armstrong | 1417871187 | Physical Therapist | Duncannon, PA | 2026 |
| Mandy Armstrong | 1477866424 | Case Manager/Care Coordinator | Dewey, OK | 2010 |
| Marc Armstrong, M.D. | 1326453556 | Internal Medicine Physician | Aberdeen, SD | 2014 |
| Marcherelle Armstrong | 1225515075 | Technician/Technologist | Bingham Farms, MI | 2018 |
| Marcia Armstrong, LPC | 1316312895 | Professional Counselor | Staunton, VA | 2015 |
| Marcia Armstrong, LPC | 1376689422 | Counselor | Antlers, OK | 2007 |
| Marcia Armstrong, M.A.ED. | 1528457538 | School Psychologist | New Philadelphia, OH | 2015 |
| Marcus Armstrong | 1881371003 | Behavior Technician | Clermont, FL | 2023 |
| Margaret Armstrong, LCSW | 1003000886 | Clinical Social Worker | Brunswick, ME | 2007 |
| Margaret Armstrong, MD | 1053328096 | Pediatrics Physician | Albuquerque, NM | 2006 |
| Margaret Armstrong | 1518584929 | Registered Dietitian | Augusta, GA | 2020 |
| Margaret Armstrong, OTD, OTR/L | 1750026803 | Occupational Therapist | Portland, OR | 2022 |
| Margaret Armstrong, L.AC. | 1760782692 | Acupuncturist | Austin, TX | 2010 |
| Margarett Armstrong, LMT, NCMMT | 1790809622 | Specialist | Fort Worth, TX | 2007 |
| Margo Armstrong | 1285244285 | Driver | Saint Louis, MO | 2020 |
| Margot Armstrong | 1871384248 | Marriage & Family Therapist | Groton, CT | 2025 |
| Maria Armstrong, LCCE, CD | 1013668573 | Doula | Portland, OR | 2022 |
| Maria Armstrong, DDS | 1275262610 | General Practice Dentistry | Jacksonville Beach, FL | 2022 |
| Maria Armstrong | 1740048008 | Community Health Worker | Modesto, CA | 2024 |
| Maria Armstrong, RD, LDN | 1891134573 | Registered Dietitian | Pineville, LA | 2013 |
| Mariah Armstrong | 1124629290 | Behavior Technician | New Orleans, LA | 2020 |
| Mariah Armstrong | 1447890488 | Case Manager/Care Coordinator | Welling, OK | 2020 |
| Mariah Armstrong | 1518750801 | Behavior Technician | Prunedale, CA | 2025 |
| Mariah Armstrong | 1609546183 | Behavior Technician | Burbank, CA | 2021 |
| Mariah Armstrong | 1821967779 | Behavior Technician | Pikesville, MD | 2025 |
| Maribella Armstrong, KT | 1316961170 | Kinesiotherapist | Coatesville, PA | 2006 |
| Maricelis Armstrong, MD | 1932149853 | Allergy & Immunology Physician | Austell, GA | 2006 |
| Maricka Armstrong | 1841506052 | Speech-Language Pathologist | Rochester, NY | 2010 |
| Marie Armstrong, PT, DPT | 1144608480 | Physical Therapist | Robbinsdale, MN | 2015 |
| Marie Armstrong | 1972878882 | Registered Respiratory Therapist | Palmetto Bay, FL | 2012 |
| Mariel Armstrong, LPN | 1871199513 | Licensed Practical Nurse | Las Vegas, NV | 2020 |
| Marion Armstrong | 1154473908 | Pediatric Nutrition Registered Dietitian | Walnut Creek, CA | 2007 |
| Marisa Armstrong, NP | 1013809664 | Pediatric Nurse Practitioner | Stony Brook, NY | 2025 |
| Marisol Armstrong, GNP, AGPCNP | 1457681470 | Gerontology Nurse Practitioner | Midland, TX | 2010 |
| Marissa Armstrong | 1568343598 | Behavior Technician | Chico, CA | 2025 |
| Marissa Armstrong, DNP, FNP-C | 1609437508 | Nurse Practitioner | Post Falls, ID | 2019 |
| Mariyah Armstrong | 1831037506 | Personal Care Attendant | Mabie, WV | 2026 |
| Marjan Armstrong | 1588719017 | Marriage & Family Therapist | San Jose, CA | 2007 |
| Marjorie Armstrong, PMHNP | 1518762509 | Psychiatric/Mental Health Nurse Practitioner | Colorado Springs, CO | 2025 |
| Marjorie Armstrong, MSN, EMNP | 1710074489 | Emergency Medicine Physician | Houston, TX | 2006 |
| Mark Armstrong, M.D. | 1013981711 | Surgery Physician | Port Matilda, PA | 2006 |
| Mark Armstrong, MSW PLMHP | 1063554210 | Clinical Social Worker | Omaha, NE | 2007 |
| Mark Armstrong, D.D.S. | 1093713570 | General Practice Dentistry | Troy, OH | 2005 |
| Mark Armstrong, DDS | 1437460219 | Dentist | Morgan Hill, CA | 2010 |
| Mark Armstrong, MA MFT | 1487246187 | Case Manager/Care Coordinator | Vidalia, LA | 2021 |
| Mark Armstrong, M.D. | 1538420369 | Student in an Organized Health Care Education/Training Program | New York, NY | 2012 |
| Mark Armstrong, MD | 1609828433 | Anesthesiology Physician | Union City, TN | 2006 |
| Mark Armstrong | 1780498907 | Perfusionist | Plymouth, MI | 2025 |
| Mark Armstrong, MD | 1851399729 | Diagnostic Radiology Physician | Hudson, OH | 2005 |
| Mark Armstrong, DO | 1932104882 | Family Medicine Physician | Sparta, MI | 2005 |
| Mark Armstrong, DPT | 1952394504 | Physical Therapist | Offutt Afb, NE | 2005 |
| Markie Armstrong | 1336034792 | Social Worker | Portland, OR | 2025 |
| Marland Armstrong, PT | 1477685543 | Physical Therapist | Astoria, OR | 2007 |
| Marley Armstrong, ATR-BC, LPC | 1467322115 | Professional Counselor | Bala Cynwyd, PA | 2025 |
| Marni Armstrong, MA, LPC, NCC, ADS | 1073715405 | Professional Counselor | Colorado Springs, CO | 2007 |
| Marsha Armstrong, MD | 1184730228 | Diagnostic Radiology Physician | Memphis, TN | 2006 |
| Marsha Armstrong, MD | 1417041765 | Internal Medicine Physician | Los Gatos, CA | 2006 |
| Marsha Armstrong | 1730358540 | Addiction (Substance Use Disorder) Counselor | Beverly Hills, CA | 2008 |
| Martha Armstrong, M.D. | 1467577346 | Family Medicine Physician | Houston, TX | 2007 |
| Martha Armstrong, LCSW | 1699073221 | Clinical Social Worker | Norfolk, VA | 2011 |
| Mary Armstrong | 1033800883 | Neonatal Nurse Practitioner | Raleigh, NC | 2023 |
| Mary Armstrong, PHARMD | 1184030728 | Pharmacist | Raleigh, NC | 2014 |
| Mary Armstrong, CSA | 1417188863 | Surgical Assistant | Houston, TX | 2009 |
| Mary Armstrong, SLP-INTERN | 1467037911 | Speech-Language Pathologist | Waco, TX | 2021 |
| Mary Armstrong, RN | 1467662189 | Registered Nurse | East Meadow, NY | 2007 |
| Mary Armstrong | 1568607075 | Occupational Therapist | Indianapolis, IN | 2008 |
| Mary Armstrong, M.D. | 1609937853 | Public Health & General Preventive Medicine Physician | Jackson, MS | 2006 |
| Mary Armstrong | 1619896495 | Personal Care Attendant | Las Vegas, NV | 2026 |
| Mary Armstrong, NCC, LCPC | 1689012254 | Professional Counselor | Naperville, IL | 2013 |
| Mary Armstrong, MA,BA,LMFT | 1689818783 | Marriage & Family Therapist | Glastonbury, CT | 2009 |
| Mary Armstrong, CNP | 1740552892 | Family Nurse Practitioner | Columbia, MS | 2012 |
| Mary Armstrong, MSPT | 1760510994 | Physical Therapist | Louisville, KY | 2007 |
| Mary Armstrong, MOT, OTR/L | 1790273100 | Occupational Therapist | Jupiter, FL | 2018 |
| Mary Armstrong, NP | 1811302847 | Family Nurse Practitioner | Jackson, MS | 2014 |
| Mary Armstrong, CASAC | 1831354869 | Addiction (Substance Use Disorder) Counselor | Cheektowaga, NY | 2008 |
| Mary Armstrong | 1861191314 | Case Manager/Care Coordinator | Hope, AR | 2023 |
| Mary Armstrong, PHARM D | 1962506576 | Pharmacist | Sapulpa, OK | 2006 |
| Mary Armstrong, DPT | 1982253944 | Physical Therapist | Kalispell, MT | 2019 |
| Mary Beth Armstrong, L.AC. | 1174036123 | Acupuncturist | Sag Harbor, NY | 2017 |
| Mary Jo Armstrong, M.A., CCC-SLP | 1700276284 | Speech-Language Pathologist | Howell, MI | 2015 |
| Mary Jordan Armstrong | 1669977443 | Family Nurse Practitioner | Northport, AL | 2018 |
| Mary Katherine Armstrong, PA-C | 1730670753 | Medical Physician Assistant | Pasadena, TX | 2018 |
| Mathew Armstrong, PHARMD | 1780912196 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Lebanon, PA | 2009 |
| Mathew Armstrong, MSN FNP-BC | 1902332307 | Family Nurse Practitioner | New Philadelphia, OH | 2017 |
| Matilda Armstrong, MHC-LP | 1497646350 | Clinical Psychologist | Staten Island, NY | 2025 |
| Matthew Armstrong, MD | 1003137720 | Anesthesiology Physician | Grand Rapids, MI | 2010 |
| Matthew Armstrong, PT | 1003315607 | Orthopedic Physical Therapist | Barksdale Afb, LA | 2018 |
| Matthew Armstrong | 1083595664 | Contractor | New Albany, OH | 2025 |
| Matthew Armstrong, MSPT | 1114133097 | Physical Therapist | Huntersville, NC | 2007 |
| Matthew Armstrong, APNP | 1326121898 | Nurse Practitioner | Appleton, WI | 2006 |
| Matthew Armstrong | 1376846451 | Rehabilitation Counselor | Paradise, CA | 2010 |
| Matthew Armstrong, MD | 1427804897 | Student in an Organized Health Care Education/Training Program | Houston, TX | 2024 |
| Matthew Armstrong, MD | 1457363236 | Hematology & Oncology Physician | Tulsa, OK | 2006 |
| Matthew Armstrong | 1467242693 | Community Health Worker | Eight Mile, AL | 2025 |
| Matthew Armstrong | 1487057741 | Marriage & Family Therapist | Overland Park, KS | 2014 |
| Matthew Armstrong, DPT | 1528543592 | Physical Therapist | Flowood, MS | 2018 |
| Matthew Armstrong | 1568166064 | Speech-Language Pathologist | Mount Pleasant, TX | 2023 |
| Matthew Armstrong, D.C. | 1659685816 | Chiropractor | Allen, TX | 2010 |
| Matthew Armstrong, M.D. | 1770718421 | Emergency Medicine Physician | Nellis Afb, NV | 2009 |
| Matthew Armstrong, MD, PC | 1942782875 | Acupuncturist | Salt Lake City, UT | 2018 |
| Mattison Armstrong | 1417722653 | Behavior Technician | Deeth, NV | 2023 |
| Maureen Armstrong, DO | 1568721223 | Internal Medicine Physician | Meadowbrook, PA | 2012 |
| Maurice Armstrong | 1962006809 | Personal Care Attendant | Dayton, OH | 2020 |
| Max Armstrong | 1073482857 | Behavior Technician | Fishers, IN | 2025 |
| Max Armstrong, CAT | 1295512945 | Addiction (Substance Use Disorder) Counselor | Sheridan, CO | 2023 |
| Maxine Armstrong, ADMINISTRATION | 1326793530 | Nursing Home Administrator | Tulsa, OK | 2022 |
| Maxwell Armstrong | 1699429233 | Clinical Social Worker | Jamaica Plain, MA | 2022 |
| Maxwell Armstrong, PT, DPT | 1760971261 | Physical Therapist | Green Bay, WI | 2018 |
| Maya Armstrong, PA-C | 1063352318 | Physician Assistant | Princess Anne, MD | 2026 |
| Maya Armstrong, MD | 1134625189 | Family Medicine Physician | Albuquerque, NM | 2018 |
| Mayfield Armstrong, ATC | 1174768519 | Athletic Trainer | Thibodaux, LA | 2008 |
| Meg Armstrong, APRN-BC | 1043931793 | Family Nurse Practitioner | Searcy, AR | 2022 |
| Megan Armstrong, CRNA | 1053687509 | Certified Registered Nurse Anesthetist | Chesterfield, MO | 2012 |
| Megan Armstrong, BS | 1063848547 | Behavior Analyst | Grants Pass, OR | 2013 |
| Megan Armstrong | 1093278020 | Behavior Technician | Duluth, MN | 2019 |
| Megan Armstrong | 1205232253 | Physical Rehabilitation Occupational Therapist | Los Angeles, CA | 2014 |
| Megan Armstrong, LMT | 1356715387 | Specialist | Dillingham, AK | 2015 |
| Megan Armstrong | 1447755012 | Case Manager/Care Coordinator | Lincoln, NE | 2018 |
| Megan Armstrong | 1467116954 | Behavior Technician | Las Vegas, NV | 2021 |
| Megan Armstrong | 1477394815 | Occupational Therapy Assistant | Northridge, CA | 2024 |
| Megan Armstrong, RD, LD | 1548865645 | Registered Dietitian | Saint Petersburg, FL | 2020 |
| Megan Armstrong | 1699462556 | Behavior Technician | Farmington Hills, MI | 2023 |
| Megan Armstrong, OTR/L | 1750106076 | Occupational Therapist | Duxbury, MA | 2024 |
| Megan Armstrong | 1801401757 | Orthopaedic Surgery Physician | Fremont, CA | 2020 |
| Megan Armstrong | 1972438778 | Student in an Organized Health Care Education/Training Program | Colorado Springs, CO | 2026 |
| Meghan Armstrong, PHARMD | 1144825696 | Pharmacist | Merrimack, NH | 2020 |
| Meghan Armstrong, DPT | 1174800676 | Physical Therapist | North Andover, MA | 2011 |
| Meghan Armstrong, PA | 1669868154 | Physician Assistant | Jackson, MI | 2015 |
| Mehle Armstrong, MA, LPC | 1033649207 | Professional Counselor | Oklahoma City, OK | 2017 |
| Melanie Armstrong, MD | 1316420789 | Hospitalist Physician | Evanston, IL | 2018 |
| Melanie Armstrong | 1396241550 | Physical Therapist | Hampden, ME | 2018 |
| Melissa Armstrong, PHARMD | 1104536333 | Pharmacist | Macon, GA | 2022 |
| Melissa Armstrong, NP | 1194150862 | Nurse Practitioner | Sterling, IL | 2013 |
| Melissa Armstrong, PTA | 1225344211 | Physical Therapy Assistant | Edison, NJ | 2010 |
| Melissa Armstrong, P.A | 1376086934 | Physician Assistant | Lehigh Acres, FL | 2016 |
| Melissa Armstrong | 1487396891 | Physician Assistant | Missoula, MT | 2022 |
| Melissa Armstrong | 1538934567 | Personal Care Attendant | Charleston, WV | 2023 |
| Melissa Armstrong, OT | 1568029353 | Occupational Therapist | Augusta, GA | 2019 |
| Melissa Armstrong | 1659663631 | Social Worker | Riverside, CA | 2011 |
| Melissa Armstrong, LMHP CPC LADC | 1679660450 | Mental Health Counselor | Norfolk, NE | 2006 |
| Melissa Armstrong, RN | 1699287987 | Pediatric Registered Nurse | San Diego, CA | 2017 |
| Melissa Armstrong | 1730485327 | Other Technician | Strathmore, CA | 2011 |
| Melissa Armstrong, CRNA | 1780129452 | Certified Registered Nurse Anesthetist | Dallas, TX | 2017 |
| Melissa Armstrong | 1780497347 | Driver | Arlington, TX | 2025 |
| Melissa Armstrong | 1871274324 | Behavior Technician | Farmington Hills, MI | 2023 |
| Melissa Armstrong, MD | 1881714194 | Neurology Physician | Gainesville, FL | 2007 |
| Melissa Armstrong, MSW, LSW, CAPRCII | 1932784204 | Social Worker | Marion, IN | 2021 |
| Melodee Armstrong, RN, CNS, FNP, MS | 1073948055 | Registered Nurse | Bronx, NY | 2013 |
| Melodie Armstrong, MD | 1093821779 | Family Medicine Physician | Martinez, CA | 2006 |
| Melody Armstrong | 1275290371 | Peer Specialist | Lakeview, OR | 2021 |
| Melody Armstrong | 1861142887 | Behavior Technician | Spokane Valley, WA | 2022 |
| Mercedes Armstrong, FNP | 1497783112 | Family Nurse Practitioner | Charlottesville, VA | 2006 |
| Mercy Armstrong | 1295973501 | Counselor | Sacramento, CA | 2009 |
| Meredith Armstrong, OT | 1568242675 | Occupational Therapist | Pearland, TX | 2023 |
| Meredith Armstrong, LICSW | 1720205909 | Clinical Social Worker | North Providence, RI | 2007 |
| Merisa Armstrong, LPN | 1942868559 | Licensed Practical Nurse | Greeley, CO | 2019 |
| Mia Armstrong, MD | 1285831347 | Pediatrics Physician | Raleigh, NC | 2007 |
| Mia Armstrong | 1518635374 | Behavior Technician | Concord, CA | 2021 |
| Mia Armstrong, RBT | 1972272334 | Behavior Technician | Glendale, AZ | 2021 |
| Micah Armstrong | 1811782469 | Student in an Organized Health Care Education/Training Program | Memphis, TN | 2025 |
| Michael Armstrong, M.D. | 1013368067 | Family Medicine Physician | Lincoln, NE | 2016 |
| Michael Armstrong, M.D. | 1174608053 | Otolaryngology/Facial Plastic Surgery Physician | Richmond, VA | 2006 |
| Michael Armstrong | 1184378382 | Counselor | Auburn, WA | 2022 |
| Michael Armstrong, D.D.S. | 1184781007 | Dentist | Greenville, SC | 2007 |
| Michael Armstrong, MD | 1205414968 | Family Medicine Physician | Austin, TX | 2021 |
| Michael Armstrong | 1265065213 | Addiction (Substance Use Disorder) Counselor | Eugene, OR | 2020 |
| Michael Armstrong, DO | 1295734937 | Family Medicine Physician | Austin, TX | 2005 |
| Michael Armstrong | 1306500269 | Behavior Technician | Sacramento, CA | 2021 |
| Michael Armstrong, MD | 1336191162 | Emergency Medicine Physician | Milwaukee, WI | 2006 |
| Michael Armstrong, PA-C | 1336648344 | Physician Assistant | Toledo, OH | 2018 |
| Michael Armstrong | 1407375231 | Athletic Trainer | Hamburg, NJ | 2017 |
| Michael Armstrong, M.D. | 1487978508 | Psychiatry Physician | West Palm Beach, FL | 2010 |
| Michael Armstrong, M.D. | 1538518238 | Cardiovascular Disease Physician | Greenville, SC | 2016 |
| Michael Armstrong, CRNA | 1578855953 | Certified Registered Nurse Anesthetist | Springfield, IL | 2011 |
| Michael Armstrong, MD | 1679033971 | Otolaryngology Physician | Richmond, VA | 2019 |
| Michael Armstrong, ARNP | 1679710453 | Adult Health Nurse Practitioner | Tampa, FL | 2009 |
| Michael Armstrong, PA-C | 1740236587 | Medical Physician Assistant | Fairfax, VA | 2006 |
| Michael Armstrong, DO | 1740742337 | Internal Medicine Physician | Clackamas, OR | 2019 |
| Michael Armstrong, MD, PHD | 1750496824 | Pediatrics Physician | Durham, NC | 2006 |
| Michael Armstrong, M.D. | 1750497020 | Physical Medicine & Rehabilitation Physician | Minneapolis, MN | 2006 |
| Michael Armstrong, MD | 1972763639 | Anesthesiology Physician | Miami, FL | 2008 |
| Michaela Armstrong | 1902635543 | Home Health Aide | Detroit, MI | 2024 |
| Michele Armstrong, MA | 1023142213 | Professional Counselor | Colorado Springs, CO | 2007 |
| Michele Armstrong | 1033463492 | Personal Care Attendant | Lake Havasu City, AZ | 2012 |
| Michele Armstrong, WHNP | 1043070246 | Women's Health Nurse Practitioner | College Station, TX | 2024 |
| Michele Armstrong | 1316882483 | Social Worker | Dublin, OH | 2026 |
| Michele Armstrong | 1366399867 | Doula | Sicklerville, NJ | 2026 |
| Michele Armstrong, NP | 1417218447 | Nurse Practitioner | Surgoinsville, TN | 2012 |
| Michele Armstrong, M.D. | 1487666723 | Family Medicine Physician | Hayward, WI | 2006 |
| Michele Armstrong | 1518406479 | Clinical Social Worker | Northampton, MA | 2017 |
| Michele Armstrong, B.A. | 1588929582 | Counselor | Du Bois, PA | 2012 |
| Michelle Armstrong, MS CCC-SLP | 1154172583 | Speech-Language Pathologist | New Hyde Park, NY | 2024 |
| Michelle Armstrong | 1285426353 | Home Health Aide | Rainelle, WV | 2025 |
| Michelle Armstrong, PA-C | 1316287790 | Medical Physician Assistant | Marietta, GA | 2013 |
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).