Providers Marissa Johnston, RBT to Nicole Johnston, MD
300 individual NPIs in the federal registry, part 10,707 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 |
|---|---|---|---|---|
| Marissa Johnston, RBT | 1952002297 | Behavior Technician | Westminster, CO | 2023 |
| Mark Johnston, MD | 1003898131 | Gastroenterology Physician | Lancaster, PA | 2005 |
| Mark Johnston, PH.D. | 1023026200 | Psychologist | Boston, MA | 2006 |
| Mark Johnston, NP | 1063894939 | Family Nurse Practitioner | Albuquerque, NM | 2015 |
| Mark Johnston, FNP-C | 1144623455 | Family Nurse Practitioner | Inverness, FL | 2014 |
| Mark Johnston, A.U.D., CCC-A | 1326295726 | Audiologist | San Antonio, TX | 2008 |
| Mark Johnston, DO | 1326989971 | Student in an Organized Health Care Education/Training Program | Roanoke, VA | 2026 |
| Mark Johnston, PHARMD | 1457074114 | Pharmacist | American Fork, UT | 2022 |
| Mark Johnston, D.D.S. | 1457572372 | General Practice Dentistry | Lansing, MI | 2007 |
| Mark Johnston, PHARMD | 1477186542 | Pharmacist | Eagle, ID | 2020 |
| Mark Johnston, HID | 1588055024 | Hearing Instrument Specialist | Rochester, MN | 2015 |
| Mark Johnston, MD | 1619175460 | Family Medicine Physician | New Rochelle, NY | 2007 |
| Mark Johnston, M.D. | 1659404226 | Psychiatry Physician | Salt Lake City, UT | 2007 |
| Mark Johnston, M.D. | 1679516116 | Internal Medicine Physician | Dallas, TX | 2006 |
| Mark Johnston, MD FRCSC | 1851398168 | Ophthalmology Physician | Omaha, NE | 2005 |
| Mark Johnston, PT | 1881287621 | Physical Therapist | Media, PA | 2021 |
| Mark Johnston, DMD | 1881603041 | Orthodontics and Dentofacial Orthopedics Dentistry | Marietta, GA | 2006 |
| Mark Johnston, DPM | 1912973058 | Podiatrist | Willmar, MN | 2006 |
| Marlene Johnston | 1629633979 | Hearing Instrument Specialist | Warren, MI | 2019 |
| Marlow Johnston | 1588910178 | Mental Health Counselor | Santa Ana, CA | 2012 |
| Martha Johnston, DAC | 1043180367 | Acupuncturist | Colorado Springs, CO | 2025 |
| Martha Johnston | 1528288289 | Occupational Therapist | Alexandria, VA | 2007 |
| Martha Johnston, MD | 1558348714 | Family Medicine Physician | Miamisburg, OH | 2005 |
| Martha Johnston, REGISTERED NURSE | 1871045963 | Ambulatory Care Registered Nurse | Downey, CA | 2016 |
| Martha Johnston, PTA | 1992299572 | Physical Therapy Assistant | Grandville, MI | 2018 |
| Martin Johnston, MSW,LICSW | 1174063804 | Clinical Social Worker | Newport, RI | 2017 |
| Marty Johnston, LCP | 1669402293 | Psychologist | Olathe, KS | 2006 |
| Marva Johnston, RNCNP | 1679601884 | Women's Health Nurse Practitioner | Hobbs, NM | 2007 |
| Mary Johnston | 1053728410 | Mental Health Counselor | Gallatin, TN | 2014 |
| Mary Johnston | 1073957288 | Emergency Medicine Physician | Fort Collins, CO | 2013 |
| Mary Johnston, SLP | 1124136544 | Speech-Language Pathologist | Kansas City, KS | 2006 |
| Mary Johnston, BT | 1124689443 | Behavior Technician | Conway, AR | 2019 |
| Mary Johnston, MA,OTR/L | 1174778336 | Mental Health Counselor | Gardena, CA | 2008 |
| Mary Johnston, LMSW | 1184912982 | Clinical Social Worker | Muskegon, MI | 2011 |
| Mary Johnston, MD | 1194952333 | Obstetrics & Gynecology Physician | Pensacola, FL | 2009 |
| Mary Johnston, LCSW | 1285188029 | Clinical Social Worker | Colorado Springs, CO | 2016 |
| Mary Johnston | 1285430082 | Day Training/Habilitation Specialist | Bellevue, NE | 2025 |
| Mary Johnston | 1316703515 | Behavior Technician | Garden Grove, CA | 2024 |
| Mary Johnston | 1376718239 | Professional Counselor | Columbus, OH | 2008 |
| Mary Johnston, DMD | 1437450897 | General Practice Dentistry | Greenville, SC | 2010 |
| Mary Johnston | 1528680402 | Case Manager/Care Coordinator | Slc, UT | 2020 |
| Mary Johnston, LPC | 1619942141 | Mental Health Counselor | Virginia Beach, VA | 2006 |
| Mary Johnston, CNP | 1629039821 | Family Nurse Practitioner | Minneapolis, MN | 2006 |
| Mary Johnston, OTRL | 1639365547 | Occupational Therapist | Tuscon, AZ | 2007 |
| Mary Johnston, DPT | 1639570534 | Physical Therapist | Albuquerque, NM | 2014 |
| Mary Johnston, DO | 1649618059 | Neuromusculoskeletal Medicine & OMM Physician | Fairbanks, AK | 2013 |
| Mary Johnston, RN | 1659595494 | Registered Nurse First Assistant | Naperville, IL | 2007 |
| Mary Johnston, COTA | 1679074603 | Occupational Therapy Assistant | Canton, TX | 2018 |
| Mary Johnston, LSCW | 1689690471 | Clinical Social Worker | New Albany, IN | 2006 |
| Mary Johnston | 1730856097 | Personal Care Attendant | Crown City, OH | 2021 |
| Mary Johnston, LSW | 1750253761 | Social Worker | Pittsburgh, PA | 2025 |
| Mary Johnston | 1750880563 | Licensed Practical Nurse | Lincoln, NE | 2018 |
| Mary Johnston, PH.D. | 1790760023 | Psychologist | Chicago, IL | 2005 |
| Mary Johnston, APRN | 1841424801 | Adult Health Nurse Practitioner | New Haven, CT | 2009 |
| Mary Johnston, LPC, LMFT,LSOTP | 1851411219 | Professional Counselor | Bellaire, TX | 2007 |
| Mary Johnston, MD | 1881670958 | Geriatric Psychiatry Physician | Baltimore, MD | 2005 |
| Mary Johnston, RPH, PHARM.D. | 1881940948 | Pharmacist | Jamestown, ND | 2012 |
| Mary Johnston, DC | 1902965395 | Chiropractor | Oceanside, NY | 2006 |
| Mary Johnston, RD LD | 1922129824 | Registered Dietitian | Columbus, OH | 2007 |
| Mary Johnston | 1922182856 | Family Medicine Physician | Albany, NY | 2006 |
| Mary Johnston, SLPA | 1952826166 | Speech-Language Pathologist | Bedford, TX | 2017 |
| Mary Beth Johnston, PH.D. | 1598709024 | Psychologist | Middlebury, CT | 2006 |
| Mary Carleton Johnston, MD | 1376034298 | Obstetrics & Gynecology Physician | Mobile, AL | 2018 |
| Mary Ellen Johnston, L-RCSW | 1760672075 | Clinical Social Worker | Port Jefferson Station, NY | 2007 |
| Matt Johnston, LPC, CADC II | 1568739746 | Addiction (Substance Use Disorder) Counselor | Portland, OR | 2011 |
| Matthew Johnston, M.D. | 1003062290 | Surgery Physician | Seattle, WA | 2008 |
| Matthew Johnston, ARNP | 1134482755 | Primary Care Nurse Practitioner | Hilo, HI | 2012 |
| Matthew Johnston, PA-C | 1255758074 | Physician Assistant | Houston, TX | 2014 |
| Matthew Johnston, DO | 1265844690 | Family Medicine Physician | Circleville, OH | 2014 |
| Matthew Johnston, D.O. | 1447467170 | Orthopaedic Surgery Physician | Celebration, FL | 2007 |
| Matthew Johnston, MD | 1477203933 | Family Medicine Physician | Silver Spring, MD | 2022 |
| Matthew Johnston, DPT | 1770036402 | Orthopedic Physical Therapist | Washington, DC | 2016 |
| Matthew Johnston, M.D. | 1780628677 | Emergency Medicine Physician | Springfield, IL | 2006 |
| Matthew Johnston, DMD | 1811903883 | Dentist | Grants Pass, OR | 2006 |
| Matthew Johnston, MD | 1881257855 | Anesthesiology Physician | Rochester, MN | 2019 |
| Matthew Johnston, MD | 1902127285 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Orlando, FL | 2010 |
| Matthew Johnston, PA-C | 1952751562 | Physician Assistant | Mansfield, TX | 2016 |
| Matthew Johnston, M.D. | 1972572923 | Obstetrics & Gynecology Physician | Brunswick, GA | 2006 |
| Matthew Johnston, MD | 1982692307 | Family Medicine Physician | Salt Lake City, UT | 2005 |
| Mattie Johnston | 1588328553 | Case Manager/Care Coordinator | Tulsa, OK | 2021 |
| Maura Johnston, LGPC | 1245175686 | Mental Health Counselor | Arnold, MD | 2026 |
| Maureen Johnston | 1629088133 | Speech-Language Pathologist | Torrance, CA | 2006 |
| Maureen Johnston, MA., MFT | 1639381544 | Marriage & Family Therapist | San Jose, CA | 2007 |
| Maureen Johnston, NURSE PRACTITIONER | 1699104828 | Primary Care Nurse Practitioner | Cambridge, MA | 2013 |
| Maureen Johnston, LCSW | 1912420522 | Clinical Social Worker | Homestead, PA | 2017 |
| Maya Johnston, M.D. | 1447363619 | Internal Medicine Physician | Des Moines, IA | 2006 |
| Maya Johnston, RN, DNP-FNP(2026) | 1982584926 | Registered Nurse | Lebanon, IN | 2025 |
| Maynard Johnston, MD | 1104904887 | Pediatrics Physician | Sacramento, CA | 2006 |
| McKenna Johnston | 1972311256 | Physician Assistant | Paoli, PA | 2024 |
| McKenzie Johnston, PCA | 1598647208 | Mental Health Counselor | Gresham, OR | 2025 |
| McKenzie Johnston, PA-C | 1912396698 | Physician Assistant | Brooklyn, NY | 2015 |
| McLain Johnston | 1598438178 | Behavior Technician | Overland Park, KS | 2021 |
| Meadow Johnston | 1194537019 | Behavior Technician | Pomona, CA | 2025 |
| Meagan Johnston, RN, NP-C | 1548426497 | Family Nurse Practitioner | Loveland, CO | 2008 |
| Meagan Johnston, OTR/L | 1558965319 | Occupational Therapist | Huddleston, VA | 2020 |
| Megan Johnston, PA | 1144905043 | Physician Assistant | Palo Alto, CA | 2023 |
| Megan Johnston, AGPCNP-C | 1154890234 | Nurse Practitioner | Salisbury, NC | 2018 |
| Megan Johnston, CCC-SLP | 1164293833 | Speech-Language Pathologist | New Lenox, IL | 2024 |
| Megan Johnston | 1316373707 | Physical Therapist | Erie, PA | 2013 |
| Megan Johnston, OTR/L | 1326630120 | Occupational Therapist | Naples, FL | 2021 |
| Megan Johnston, CRNA | 1336419738 | Certified Registered Nurse Anesthetist | Mount Holly, NJ | 2012 |
| Megan Johnston, LCSW | 1396317160 | Clinical Social Worker | Anchorage, AK | 2021 |
| Megan Johnston, LCMHC-A | 1528690922 | Mental Health Counselor | Durham, NC | 2020 |
| Megan Johnston, LSW | 1558075283 | Social Worker | Brecksville, OH | 2023 |
| Megan Johnston, RDN | 1669264321 | Registered Dietitian | Columbia, VA | 2025 |
| Megan Johnston | 1700346921 | Behavior Technician | Bakersfield, CA | 2019 |
| Megan Johnston | 1710608799 | Case Manager/Care Coordinator | Provo, UT | 2022 |
| Megan Johnston | 1720537053 | Developmental Therapist | Gainesville, FL | 2016 |
| Megan Johnston | 1831660380 | Behavior Technician | San Diego, CA | 2018 |
| Megan Johnston, BCBA | 1952237919 | Behavior Analyst | Huntsville, AL | 2026 |
| Meghan Johnston | 1003217704 | Lactation Consultant (Non-RN) | Sandy, UT | 2014 |
| Meghan Johnston | 1518256866 | Internal Medicine Physician | Bozeman, MT | 2011 |
| Meghan Johnston, LCMHC | 1790172153 | Counselor | Hickory, NC | 2015 |
| Meilin Johnston | 1073268017 | Interpreter | Snohomish, WA | 2022 |
| Meladie Johnston, LCSW | 1154633550 | Clinical Social Worker | Munster, IN | 2010 |
| Melanie Johnston, LPC | 1407981780 | Mental Health Counselor | Mandeville, LA | 2007 |
| Melanie Johnston, CPNP | 1437206356 | Pediatric Nurse Practitioner | Morehead City, NC | 2007 |
| Melanie Johnston, SLP | 1568805232 | Speech-Language Pathologist | Kingwood, TX | 2013 |
| Melanie Johnston, NP | 1811559115 | Adult Health Nurse Practitioner | Rochester, NY | 2019 |
| Melanie Johnston, COTA | 1891277364 | Occupational Therapy Assistant | Waxahachie, TX | 2018 |
| Meleah Johnston, NP-C | 1376941286 | Family Nurse Practitioner | Franklin, TN | 2014 |
| Melinda Johnston, M.A. L.L.P. L.L.P.C. | 1063456093 | Mental Health Counselor | Kalamazoo, MI | 2006 |
| Melinda Johnston, PT | 1225222045 | Physical Therapist | Campton, NH | 2007 |
| Melinda Johnston, PA-C | 1275889206 | Surgical Physician Assistant | Farmington, CT | 2012 |
| Melinda Johnston | 1386510899 | Addiction (Substance Use Disorder) Counselor | Mankato, MN | 2025 |
| Melisa Johnston, FNP | 1740520915 | Family Nurse Practitioner | Colorado Springs, CO | 2013 |
| Melissa Johnston | 1063309581 | Home Health Aide | Ravenswood, WV | 2025 |
| Melissa Johnston | 1083331847 | Behavior Technician | Fort Gratiot, MI | 2022 |
| Melissa Johnston | 1144870890 | Mental Health Counselor | Denver, CO | 2019 |
| Melissa Johnston, PA | 1215535257 | Physician Assistant | Highland Heights, KY | 2020 |
| Melissa Johnston | 1225348485 | Registered Nurse | Elkhorn, WI | 2010 |
| Melissa Johnston, PA-C | 1245863554 | Physician Assistant | Addison, TX | 2020 |
| Melissa Johnston, RBT | 1306346713 | Behavior Technician | Killeen, TX | 2018 |
| Melissa Johnston, DNP | 1346836095 | Gerontology Nurse Practitioner | Plantation, FL | 2020 |
| Melissa Johnston, M.A., CCC-A | 1356441984 | Audiologist | Des Moines, IA | 2006 |
| Melissa Johnston, BCBA, LBA | 1386046498 | Behavior Analyst | Northville, MI | 2014 |
| Melissa Johnston, COTA/L | 1396234456 | Occupational Therapy Assistant | Mishawaka, IN | 2018 |
| Melissa Johnston, OTRL | 1467674341 | Occupational Therapist | Wauchula, FL | 2007 |
| Melissa Johnston, LMHC | 1508272949 | Mental Health Counselor | Hanson, MA | 2014 |
| Melissa Johnston, LAT, CEAS, CFCE | 1518269612 | Athletic Trainer | Berlin, WI | 2010 |
| Melissa Johnston, PA-C | 1578264982 | Physician Assistant | Orange, CA | 2023 |
| Melissa Johnston, O.D. | 1578525267 | Optometrist | Lapeer, MI | 2006 |
| Melissa Johnston, FNP, PMHNP | 1700160231 | Psychiatric/Mental Health Nurse Practitioner | Pittsburg, KS | 2011 |
| Melissa Johnston, SWT | 1720458391 | Social Worker | Shaker Hts, OH | 2015 |
| Melissa Johnston, APRN | 1851794374 | Psychiatric/Mental Health Nurse Practitioner | Salem, IN | 2014 |
| Melissa Johnston, LVN | 1881925014 | Mental Health Counselor | Wasco, CA | 2010 |
| Melissa Johnston, RN | 1912308107 | Registered Nurse | Mastic Beach, NY | 2014 |
| Melody Johnston | 1306419908 | Personal Care Attendant | Belington, WV | 2021 |
| Mendy Johnston, RPH | 1174741755 | Pharmacist | Toronto, OH | 2007 |
| Meredith Johnston | 1003243825 | Counselor | San Leandro, CA | 2013 |
| Meredith Johnston, MD | 1306975792 | Psychiatry Physician | Baltimore, MD | 2007 |
| Meredith Johnston, M.D. | 1538190111 | Pediatrics Physician | Corsicana, TX | 2006 |
| Meryl Johnston, RN, MSN, FNP-C | 1912304890 | Family Nurse Practitioner | Raleigh, NC | 2014 |
| Meshalle Johnston, LISW-S | 1407466287 | Clinical Social Worker | Beavercreek, OH | 2020 |
| Mia Johnston | 1033006952 | Case Manager/Care Coordinator | San Antonio, TX | 2025 |
| Mia Johnston | 1922884188 | Behavior Technician | Wichita, KS | 2023 |
| Micah Johnston | 1164389847 | Behavior Technician | Knoxville, TN | 2026 |
| Michael Johnston, M.D. | 1043250327 | Family Medicine Physician | Phenix City, AL | 2006 |
| Michael Johnston, M.D. | 1093885345 | Anesthesiology Physician | Lihue, HI | 2006 |
| Michael Johnston, PA-C | 1114037256 | Surgical Physician Assistant | Oskaloosa, IA | 2006 |
| Michael Johnston, PT | 1114979622 | Physical Therapist | Valparaiso, IN | 2006 |
| Michael Johnston, M.D. | 1144232265 | Internal Medicine Physician | Dallas, TX | 2006 |
| Michael Johnston, LCSW | 1144715756 | Clinical Social Worker | Crowley, LA | 2018 |
| Michael Johnston, LCSW | 1194374355 | Clinical Social Worker | Scarborough, ME | 2019 |
| Michael Johnston, CRNA | 1215909577 | Certified Registered Nurse Anesthetist | Austin, TX | 2006 |
| Michael Johnston, LPC | 1235438847 | Mental Health Counselor | Dover, OH | 2011 |
| Michael Johnston, M.D. | 1275515652 | Surgery Physician | Portsmouth, VA | 2005 |
| Michael Johnston | 1316502982 | Speech-Language Pathologist | Stonewall, LA | 2019 |
| Michael Johnston, PHD | 1346394913 | Psychologist | Boise, ID | 2007 |
| Michael Johnston, MSW | 1346485372 | Clinical Social Worker | Spokane, WA | 2008 |
| Michael Johnston, M.D. | 1417160771 | Cardiovascular Disease Physician | Oroville, CA | 2007 |
| Michael Johnston, M.D. | 1427116169 | Pain Medicine Physician | Tucker, GA | 2006 |
| Michael Johnston, MD | 1487698361 | Emergency Medicine Physician | Nashville, TN | 2006 |
| Michael Johnston, DMD, MS | 1578776472 | Orthodontics and Dentofacial Orthopedics Dentistry | Greer, SC | 2007 |
| Michael Johnston, FNP | 1619933140 | Family Nurse Practitioner | Marshall, MO | 2006 |
| Michael Johnston, DDS, MS | 1649347634 | Pediatric Dentistry | Russellville, AR | 2006 |
| Michael Johnston, M.S.P.T. | 1679691075 | Physical Therapist | Frederick, MD | 2007 |
| Michael Johnston, O.D. | 1740367283 | Optometrist | Harlan, IA | 2006 |
| Michael Johnston, MHS, LPC, CA-C | 1780999847 | Professional Counselor | Brodheadsville, PA | 2010 |
| Michael Johnston, M.D. | 1801822853 | Diagnostic Radiology Physician | Rochester, MN | 2006 |
| Michael Johnston, PHARM D | 1811224892 | Pharmacist | Pleasant Garden, NC | 2009 |
| Michael Johnston, DC | 1841414323 | Chiropractor | Rogers, MN | 2007 |
| Michael Johnston, D.C. | 1851456859 | Chiropractor | Forest Park, GA | 2006 |
| Michael Johnston, D.D.S. | 1912037649 | General Practice Dentistry | Daly City, CA | 2007 |
| Michael Johnston, L.AC. | 1932363710 | Acupuncturist | Fort Collins, CO | 2008 |
| Michael Johnston, OTR | 1942452578 | Occupational Therapist | Mt Pleasant, MI | 2008 |
| Michael Johnston, ATC , CSCS | 1952446866 | Athletic Trainer | Okemos, MI | 2007 |
| Michael Johnston, OTR/L, CLWT | 1972080919 | Occupational Therapist | Estherville, IA | 2018 |
| Michael Johnston, MD | 1972369684 | General Practice Physician | San Diego, CA | 2024 |
| Michael Johnston | 1992239222 | Surgery Physician | Dallas, TX | 2017 |
| Michala Johnston, D(DONA) | 1649027152 | Doula | Kansas City, MO | 2024 |
| Michele Johnston | 1174249619 | Case Manager/Care Coordinator | Appleton, WI | 2022 |
| Michele Johnston, CRNA | 1417981085 | Certified Registered Nurse Anesthetist | Indiana, PA | 2006 |
| Michele Johnston | 1447751110 | Behavior Technician | Irvine, CA | 2018 |
| Michele Johnston, R.N. | 1457722761 | Pediatric Registered Nurse | Scranton, PA | 2015 |
| Michele Johnston, NP | 1508170051 | Gerontology Nurse Practitioner | Rochester, NY | 2010 |
| Michele Johnston | 1598443475 | Community Health Worker | Tioga, WV | 2023 |
| Michele Johnston, LPC | 1669752465 | Professional Counselor | Meadville, PA | 2011 |
| Michelle Johnston, B.S. | 1063715696 | Counselor | Altoona, PA | 2010 |
| Michelle Johnston | 1215333729 | Developmental Therapist | Westfield, MA | 2014 |
| Michelle Johnston, CADC | 1225797244 | Addiction (Substance Use Disorder) Counselor | Pittsfield, MA | 2021 |
| Michelle Johnston | 1235758459 | Hand Occupational Therapist | Colorado Springs, CO | 2020 |
| Michelle Johnston | 1245624329 | Counselor | Frederica, DE | 2015 |
| Michelle Johnston, MSN, ARNP | 1316122039 | Family Nurse Practitioner | Oklahoma City, OK | 2007 |
| Michelle Johnston, ACNP | 1356549133 | Acute Care Nurse Practitioner | Houston, TX | 2007 |
| Michelle Johnston | 1386560290 | Hearing Instrument Specialist | Clairton, PA | 2026 |
| Michelle Johnston | 1407612146 | Mental Health Counselor | Boulder, CO | 2024 |
| Michelle Johnston, PA | 1427143809 | Physician Assistant | Ormond Beach, FL | 2006 |
| Michelle Johnston, MSN, AGPCNP-BC | 1447669601 | Primary Care Nurse Practitioner | Garfield Heights, OH | 2014 |
| Michelle Johnston, MD | 1477540771 | Anesthesiology Physician | Utica, NY | 2005 |
| Michelle Johnston | 1548914567 | Physical Therapy Assistant | Liberty, TX | 2022 |
| Michelle Johnston, LCSW | 1609898907 | Clinical Social Worker | Norman, OK | 2006 |
| Michelle Johnston, AA | 1699172924 | Anesthesiologist Assistant | Macon, GA | 2014 |
| Michelle Johnston | 1699386185 | Mental Health Counselor | Litchfield Park, AZ | 2020 |
| Michelle Johnston, CNM | 1710916861 | Obstetrics & Gynecology Nurse Practitioner | San Francisco, CA | 2006 |
| Michelle Johnston, RN | 1760344139 | Ambulatory Care Registered Nurse | San Antonio, TX | 2025 |
| Michelle Johnston, MS, CCC/SLP | 1770030884 | Speech-Language Pathologist | Gulfport, MS | 2016 |
| Michelle Johnston | 1871805481 | Addiction (Substance Use Disorder) Counselor | Portland, OR | 2010 |
| Mickaila Johnston, M.D. | 1336105386 | Nuclear Medicine Physician | Silverdale, WA | 2006 |
| Mikaila Johnston, OTR/L | 1568121291 | Occupational Therapist | Lincolnton, NC | 2021 |
| Mikala Johnston | 1619825288 | Mental Health Counselor | Salem, OR | 2026 |
| Miki Johnston | 1598269912 | Clinical Social Worker | Dallas, TX | 2018 |
| Miranda Johnston, P.A. | 1003857830 | Physician Assistant | Independence, LA | 2006 |
| Miranda Johnston | 1285394296 | Behavior Technician | Mechanicsville, VA | 2021 |
| Mitchell Johnston, PHARM.D. | 1205837630 | Pharmacist | Martinsburg, WV | 2005 |
| Mitchell Johnston, OT | 1730976531 | Occupational Therapist | Elk Grove, CA | 2025 |
| Mollie Johnston, M.D. | 1093981276 | Neurology Physician | Los Angeles, CA | 2008 |
| Mollie Johnston | 1619325495 | Counselor | Charlotte, NC | 2016 |
| Mollie Johnston, PT, DPT | 1770186678 | Physical Therapist | Minneapolis, MN | 2020 |
| Molly Johnston | 1104579176 | Physical Therapist | Sulphur Springs, TX | 2022 |
| Molly Johnston, RECOVERY COACH | 1336937226 | Peer Specialist | Boston, MA | 2025 |
| Molly Johnston, M.S., BCBA | 1447825104 | Behavior Analyst | Johns Creek, GA | 2021 |
| Molly Johnston, RN | 1548145279 | Student in an Organized Health Care Education/Training Program | Phoenix, AZ | 2025 |
| Molly Johnston | 1750092342 | Case Manager/Care Coordinator | Chardon, OH | 2022 |
| Molly Johnston | 1760312292 | Speech-Language Pathologist | Baldwin, WI | 2026 |
| Molly Johnston, CRNA | 1770685356 | Certified Registered Nurse Anesthetist | Kerrville, TX | 2006 |
| Molly Johnston | 1982577342 | Community Health Worker | Salt Lake City, UT | 2025 |
| Mona Johnston, PHD | 1578662334 | Marriage & Family Therapist | Macomb, IL | 2006 |
| Monica Johnston, DPT | 1528277753 | Physical Therapist | Phoenix, AZ | 2007 |
| Monique Johnston | 1144924358 | Behavior Technician | Farmington Hills, MI | 2023 |
| Morgan Johnston | 1427775444 | Behavior Technician | Greenfield, MA | 2022 |
| Morgan Johnston | 1538848833 | Mental Health Counselor | Bend, OR | 2023 |
| Morgan Johnston | 1558063990 | Music Therapist | Rehoboth, MA | 2023 |
| Morgan Johnston | 1598015026 | Speech-Language Pathologist | Bastrop, LA | 2012 |
| Moriah Johnston, PA-C | 1245725175 | Physician Assistant | Hartford, CT | 2018 |
| Morris Johnston | 1699010272 | Pharmacist | Jonesboro, AR | 2012 |
| Murray Johnston, D.C. | 1710026778 | Chiropractor | Naples, FL | 2007 |
| Mutina Johnston | 1891382743 | Behavior Analyst | Tampa, FL | 2020 |
| Myrna Johnston, LVN | 1376331868 | Licensed Vocational Nurse | South Pasadena, CA | 2025 |
| Nadia Johnston, MD | 1093574162 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2024 |
| Nalrudee Johnston | 1740159318 | General Practice Registered Nurse | Long Island City, NY | 2025 |
| Nancy Johnston, LPC, LSATP | 1134212426 | Professional Counselor | Lexington, VA | 2006 |
| Nancy Johnston | 1164033155 | Home Health Aide | Fayetteville, WV | 2020 |
| Nancy Johnston, M.S. | 1194827428 | Marriage & Family Therapist | Sacramento, CA | 2006 |
| Nancy Johnston, PHARM.D. | 1285060996 | Pharmacist | Clinton, NC | 2013 |
| Nancy Johnston, RDH | 1497961650 | Dental Hygienist | Lexington, SC | 2007 |
| Nancy Johnston, MS/CCC-SLP | 1639252927 | Speech-Language Pathologist | Green Bay, WI | 2006 |
| Nancy Johnston, MS, CCC-SLP | 1689698458 | Speech-Language Pathologist | Longwood, FL | 2006 |
| Nancy Johnston, LVN | 1770619520 | Licensed Vocational Nurse | Oceanside, CA | 2007 |
| Nancy Johnston, LPC | 1922810753 | Professional Counselor | Bourbonnais, IL | 2025 |
| Nareny Johnston, PHARM D | 1518230200 | Pharmacist | Hillsboro, OR | 2012 |
| Nash Johnston, DC | 1588463327 | Chiropractor | Riverton, WY | 2025 |
| Natalie Johnston, DPT | 1295186500 | Physical Therapist | Midwest City, OK | 2016 |
| Natalie Johnston, P.T | 1467699892 | Pediatric Physical Therapist | Iowa City, IA | 2009 |
| Natalie Johnston, MA, MHP, RC | 1528113578 | Professional Counselor | Seattle, WA | 2007 |
| Natalie Johnston, MSN, CPNP-PC | 1659745735 | Pediatric Nurse Practitioner | Boston, MA | 2015 |
| Natalie Johnston | 1710677679 | Behavior Analyst | Madison, WI | 2023 |
| Natasha Johnston, LPC | 1073263471 | Professional Counselor | Saint Louis, MO | 2022 |
| Nathan Johnston, EDD | 1184408924 | Behavior Technician | Tulsa, OK | 2023 |
| Nathan Johnston, PTA | 1457628844 | Physical Therapy Assistant | Canonsburg, PA | 2011 |
| Nathan Johnston | 1619232113 | Psychiatry Physician | San Antonio, TX | 2012 |
| Nathan Johnston, M.D. | 1649703000 | Anesthesiology Physician | Suffolk, VA | 2017 |
| Nathan Johnston, D.O. | 1750520359 | Anatomic Pathology & Clinical Pathology Physician | Loveland, CO | 2009 |
| Nathan Johnston | 1770095481 | Physical Therapy Assistant | Wyomissing, PA | 2017 |
| Nathanael Johnston, MD | 1073263026 | Hospitalist Physician | Mobile, AL | 2022 |
| Nathaniel Johnston, MA, MA | 1407372337 | Counselor | Spring Hill, FL | 2017 |
| Nathaniel Johnston, BSN, RN | 1750010518 | Certified Registered Nurse Anesthetist | Farmington Hills, MI | 2022 |
| Nealy Johnston, PH.D., LPC | 1750859989 | Professional Counselor | Charlottesville, VA | 2018 |
| Neesha Johnston, OTR/L | 1497474027 | Occupational Therapist | West Chester, OH | 2022 |
| Nellie Johnston | 1679102677 | Addiction (Substance Use Disorder) Counselor | Lemon Grove, CA | 2020 |
| Nia Johnston | 1982387007 | Personal Care Attendant | Washington, DC | 2023 |
| Niaisha Johnston | 1548816887 | Clinical Social Worker | Pittsboro, NC | 2019 |
| Nicholas Johnston | 1093565442 | Dentist | Philadelphia, PA | 2024 |
| Nicholas Johnston, CST | 1114717188 | Surgical Assistant | Las Vegas, NV | 2025 |
| Nicholas Johnston, MSN, PMHNP-BC | 1376944702 | Psychiatric/Mental Health Nurse Practitioner | Andover, MA | 2014 |
| Nicholas Johnston | 1407344542 | Mental Health Counselor | Los Angeles, CA | 2018 |
| Nicholas Johnston | 1730057456 | Behavior Technician | Indianapolis, IN | 2025 |
| Nicholas Johnston, DPT, PT, CSCS | 1821615303 | Physical Therapist | Phoenix, AZ | 2020 |
| Nichole Johnston | 1093578445 | Addiction (Substance Use Disorder) Counselor | Jackson, OH | 2024 |
| Nichole Johnston, PA | 1528622925 | Physician Assistant | Albion, ME | 2019 |
| Nicklett Johnston, NP | 1356484596 | Family Nurse Practitioner | Benson, AZ | 2007 |
| Nickolas Johnston | 1033041991 | Behavior Technician | Farmington Hills, MI | 2026 |
| Nicolas Johnston, RBT | 1013507318 | Behavior Technician | Roanoke, VA | 2021 |
| Nicole Johnston | 1013609916 | Home Health Aide | Crestline, OH | 2023 |
| Nicole Johnston, RD | 1033907027 | Registered Dietitian | Pittsburgh, PA | 2025 |
| Nicole Johnston, CPM | 1073472544 | Midwife | Newport, ME | 2026 |
| Nicole Johnston, M.ED | 1235761842 | Case Manager/Care Coordinator | Youngstown, OH | 2020 |
| Nicole Johnston, DEM | 1295982791 | Lay Midwife | Canyonville, OR | 2008 |
| Nicole Johnston, DDS | 1346793197 | Dentist | Seattle, WA | 2016 |
| Nicole Johnston, MD | 1457092280 | Family Medicine Physician | Guttenberg, IA | 2022 |
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).