Providers Cassandra Johnston, LMSW to Denise Johnston, RN
300 individual NPIs in the federal registry, part 10,702 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. 90 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Cassandra Johnston, LMSW | 1962292979 | Social Worker | Union, MO | 2025 |
| Cassey Johnston, BMS | 1992081913 | Counselor | Los Lunas, NM | 2011 |
| Cassidy Johnston | 1043844095 | Counselor | Longview, WA | 2020 |
| Cassidy Johnston, DO | 1831830694 | Dermatology Physician | Salem, OR | 2022 |
| Catherine Johnston, LCSW ACSW | 1033202213 | Social Worker | Ft Wayne, IN | 2006 |
| Catherine Johnston, LCSW | 1033419734 | Clinical Social Worker | Columbia, MO | 2010 |
| Catherine Johnston | 1063173029 | Peer Specialist | Roseburg, OR | 2022 |
| Catherine Johnston | 1093125114 | Occupational Therapy Assistant | Independence, MO | 2014 |
| Catherine Johnston, LMHC, BC-DMT | 1114218955 | Mental Health Counselor | Delray Beach, FL | 2011 |
| Catherine Johnston, RPH | 1245835164 | Pharmacist | Sharon, MA | 2020 |
| Catherine Johnston | 1285279521 | Physical Therapist | Cary, NC | 2019 |
| Catherine Johnston, CRNA | 1316207830 | Certified Registered Nurse Anesthetist | Lincoln, NE | 2012 |
| Catherine Johnston | 1396779534 | Hospice and Palliative Medicine (Internal Medicine) Physician | Mount Vernon, WA | 2006 |
| Catherine Johnston | 1457027039 | Behavior Technician | Emeryville, CA | 2021 |
| Catherine Johnston | 1497299093 | Registered Dietitian | Greer, SC | 2016 |
| Catherine Johnston, LAMFT | 1518241843 | Marriage & Family Therapist | Minneapolis, MN | 2011 |
| Catherine Johnston, RD, LD | 1659558443 | Registered Dietitian | Columbus, OH | 2008 |
| Catherine Johnston, LCSW | 1679511836 | Clinical Social Worker | Sherman, TX | 2006 |
| Catherine Johnston, MA, LPC, NCC | 1700920295 | Professional Counselor | Bloomfield Hills, MI | 2007 |
| Catherine Johnston, PH.D. | 1851370886 | Psychologist | Boulder, CO | 2006 |
| Cayce Johnston | 1861142622 | Athletic Trainer | Ravensdale, WA | 2022 |
| Cecilia Johnston, LCSW | 1760355960 | Clinical Social Worker | Eldon, MO | 2025 |
| Cecilia Johnston, M.D. | 1992724603 | Infectious Disease Physician | Lutherville, MD | 2006 |
| Chad Johnston | 1093480683 | Case Manager/Care Coordinator | Follansbee, WV | 2021 |
| Chad Johnston, MD | 1538239520 | Internal Medicine Physician | Du Quoin, IL | 2006 |
| Chad Johnston | 1629478995 | Physical Therapy Assistant | Traverse City, MI | 2014 |
| Chad Johnston, D.O. | 1962441212 | Dermatology Physician | Blacksburg, VA | 2006 |
| Chambless Johnston, MD | 1790972628 | Internal Medicine Physician | Johnson City, TN | 2007 |
| Charles Johnston, PT | 1144778234 | Physical Therapist | Tyler, TX | 2016 |
| Charles Johnston, MD | 1215046081 | Psychiatry Physician | Pendleton, OR | 2006 |
| Charles Johnston, MSSW,PH.D | 1225145600 | Clinical Social Worker | Saint Cloud, MN | 2006 |
| Charles Johnston, MD | 1386604288 | Orthopaedic Surgery Physician | Dallas, TX | 2006 |
| Charles Johnston | 1437718715 | Social Worker | Mount Clemens, MI | 2019 |
| Charles Johnston, DC | 1528051075 | Chiropractor | Greenville, OH | 2005 |
| Charles Johnston, M.D. | 1588655526 | Family Medicine Physician | Las Vegas, NV | 2005 |
| Charles Johnston, MD | 1659408466 | Emergency Medicine Physician | Hillsdale, MI | 2007 |
| Charles Johnston, MD | 1831288422 | Internal Medicine Physician | Oak Park, IL | 2006 |
| Charles Johnston, CSFA | 1841088218 | Surgical Assistant | Marion, IL | 2025 |
| Chase Johnston, DPT | 1316622889 | Physical Therapist | Billings, MT | 2023 |
| Chelsea Johnston, RD, LDN | 1023957776 | Registered Dietitian | Pittsburgh, PA | 2026 |
| Chelsea Johnston | 1063007623 | Nurse Practitioner | Milledgeville, GA | 2021 |
| Chelsea Johnston | 1245737832 | Pediatric Dentistry | Scarborough, ME | 2018 |
| Chelsea Johnston | 1932677788 | Behavior Technician | Tacoma, WA | 2018 |
| Cheri Johnston, M.D. | 1639186455 | Family Medicine Physician | Knoxville, TN | 2006 |
| Cheryl Johnston, AIDE | 1114182011 | Home Health Aide | Akron, OH | 2008 |
| Cheryl Johnston, LPC | 1457224420 | Counselor | Lakewood, CO | 2025 |
| Cheryl Johnston, PA | 1700992435 | Physician Assistant | Austin, TX | 2006 |
| Cheryl Johnston, D.M.D. | 1780796821 | General Practice Dentistry | Canyon Lake, CA | 2006 |
| Cheyenne Johnston | 1831637396 | Case Manager/Care Coordinator | Port Huron, MI | 2017 |
| Chiqui Ann Johnston | 1578436465 | Student in an Organized Health Care Education/Training Program | Dracut, MA | 2025 |
| Chloe Johnston | 1790544419 | Mental Health Counselor | Mesa, AZ | 2024 |
| Chris Johnston, LPC | 1962536482 | Professional Counselor | Oklahoma City, OK | 2007 |
| Christi Johnston, MHPP | 1437587276 | Case Manager/Care Coordinator | Fort Smith, AR | 2013 |
| Christian Johnston, DPT | 1073464772 | Orthopedic Physical Therapist | Allison Park, PA | 2026 |
| Christian Johnston | 1104429620 | Sports Medicine (Physical Medicine & Rehabilitation) Physician | Cleveland, MS | 2020 |
| Christie Johnston | 1609228964 | Case Manager/Care Coordinator | Tarrytown, NY | 2016 |
| Christin Johnston, MOT,OTR/L | 1346588761 | Pediatric Occupational Therapist | Colts Neck, NJ | 2013 |
| Christina Johnston, RN | 1124968995 | Registered Nurse | Broken Arrow, OK | 2026 |
| Christina Johnston, LMFT | 1457536575 | Marriage & Family Therapist | Junction City, OR | 2008 |
| Christina Johnston, CRNP | 1477216836 | Psychiatric/Mental Health Nurse Practitioner | York, PA | 2021 |
| Christina Johnston, MA, CCC-SLP | 1578572798 | Speech-Language Pathologist | Chatham, IL | 2006 |
| Christina Johnston, LMFT | 1619428000 | Marriage & Family Therapist | Santa Cruz, CA | 2016 |
| Christina Johnston, D.O. | 1659519296 | Neurology Physician | Holland, MI | 2009 |
| Christina Johnston, L.M.T. | 1790211597 | Massage Therapist | Pueblo, CO | 2017 |
| Christina Johnston, LPC, NCC | 1831337583 | Professional Counselor | Colleyville, TX | 2009 |
| Christina Johnston, LCSW | 1881555076 | Mental Health Counselor | Orem, UT | 2025 |
| Christina Johnston, PTA | 1962138925 | Physical Therapy Assistant | Raleigh, NC | 2022 |
| Christina Johnston, BSW, MSW. LCSWA | 1982126249 | Clinical Social Worker | Lumber Bridge, NC | 2017 |
| Christine Johnston | 1104928720 | Infectious Disease Physician | Seattle, WA | 2006 |
| Christine Johnston, PSY.D. | 1144473968 | Clinical Psychologist | Phoenix, AZ | 2008 |
| Christine Johnston, LCSW | 1245615673 | Clinical Social Worker | New York, NY | 2015 |
| Christine Johnston, OTA | 1265022198 | Occupational Therapy Assistant | Russellville, AR | 2021 |
| Christine Johnston, M.D. | 1386831188 | Family Medicine Physician | Ventura, CA | 2007 |
| Christine Johnston, ATC | 1437412319 | Athletic Trainer | Cincinnati, OH | 2012 |
| Christine Johnston, APRN | 1518623537 | Pediatric Nurse Practitioner | Honolulu, HI | 2021 |
| Christine Johnston | 1528400579 | Physical Therapy Assistant | Grand Blanc, MI | 2013 |
| Christine Johnston, FNP | 1598116980 | Family Nurse Practitioner | Allentown, PA | 2016 |
| Christine Johnston, MD | 1811057128 | Hospitalist Physician | Fort Collins, CO | 2006 |
| Christine Johnston | 1871706754 | Anesthesiology Physician | Providence, RI | 2007 |
| Christine Johnston | 1891257952 | Behavior Technician | Sacramento, CA | 2019 |
| Christine Mae Johnston, CRNA | 1306203591 | Certified Registered Nurse Anesthetist | Royal Oak, MI | 2016 |
| Christoher Johnston, PHD | 1659981967 | Athletic Trainer | Jamestown, NC | 2020 |
| Christopher Johnston, LSW | 1023549375 | Mental Health Counselor | Shippenville, PA | 2017 |
| Christopher Johnston, DPT | 1033579925 | Physical Therapist | Huntington Beach, CA | 2016 |
| Christopher Johnston | 1053284315 | Marriage & Family Therapist | Layton, UT | 2025 |
| Christopher Johnston | 1104512565 | Addiction (Substance Use Disorder) Counselor | South Gate, CA | 2023 |
| Christopher Johnston, MS, LAT, ATC | 1114911682 | Athletic Trainer | Evansville, IN | 2005 |
| Christopher Johnston, DC | 1134687825 | Chiropractor | Gretna, NE | 2019 |
| Christopher Johnston, PT | 1154399103 | Physical Therapist | Depew, NY | 2006 |
| Christopher Johnston, LPC CANDIDATE | 1346764446 | Professional Counselor | Oklahoma City, OK | 2017 |
| Christopher Johnston, PH.D. | 1356689897 | Counselor | Glencoe, IL | 2013 |
| Christopher Johnston, PHARMD | 1386106482 | Pharmacist | Denver, CO | 2019 |
| Christopher Johnston, D.P.T. | 1396069571 | Physical Therapist | O Fallon, MO | 2010 |
| Christopher Johnston | 1518308527 | Counselor | Kansas City, MO | 2013 |
| Christopher Johnston, DO | 1548589948 | Critical Care Medicine (Internal Medicine) Physician | Philadelphia, PA | 2010 |
| Christopher Johnston, MD | 1578880910 | Emergency Medicine Physician | Lakewood, CO | 2010 |
| Christopher Johnston, DPT | 1588499958 | Physical Medicine & Rehabilitation Physician | Evergreen Park, IL | 2024 |
| Christopher Johnston, B.A. | 1598121972 | Addiction (Substance Use Disorder) Counselor | Vassar, MI | 2016 |
| Christopher Johnston | 1710211164 | Day Training/Habilitation Specialist | Guerneville, CA | 2009 |
| Christopher Johnston, D.O. | 1720216245 | Family Medicine Physician | Old Town, ME | 2009 |
| Christopher Johnston, MA CCC-SLP | 1730807637 | Speech-Language Pathologist | Wichita, KS | 2022 |
| Christopher Johnston, L.C.P.C. | 1770725236 | Professional Counselor | Carol Stream, IL | 2009 |
| Christopher Johnston, M.D. | 1790760775 | Family Medicine Physician | Port Monmouth, NJ | 2005 |
| Christopher Johnston | 1861978272 | Family Medicine Physician | Fort Wainwright, AK | 2018 |
| Christopher Johnston, LCSW | 1932451549 | Clinical Social Worker | Spring Hill, TN | 2012 |
| Christy Johnston, LMHC | 1932280286 | Mental Health Counselor | Des Moines, IA | 2006 |
| Christy Johnston, LCSW | 1962605477 | Clinical Social Worker | Tampa, FL | 2007 |
| Chrystal Johnston, PHD | 1255564803 | Psychologist | Conway, AR | 2009 |
| Ciaran Johnston, B.B, B.C.H. | 1497875983 | Diagnostic Radiology Physician | Boston, MA | 2007 |
| Cindy Johnston, LBSW | 1093194201 | Social Worker | Allegan, MI | 2015 |
| Cindy Johnston, MD | 1164429866 | Family Medicine Physician | San Antonio, TX | 2005 |
| Cindy Johnston, M.S. | 1164581948 | Genetic Counselor (M.S.) | Saint Paul, MN | 2006 |
| Cindy Johnston, RN MSN CDE | 1346704418 | Diabetes Educator Registered Nurse | Layton, UT | 2019 |
| Cindy Johnston, MD | 1932332384 | Rheumatology Physician | Sarasota, FL | 2009 |
| Claire Johnston | 1184209512 | Behavior Technician | Santa Ana, CA | 2021 |
| Claire Johnston, PHARMD | 1215755962 | Pharmacist | Leavenworth, KS | 2024 |
| Claire Johnston, LCSW | 1720629447 | Clinical Social Worker | Denver, CO | 2019 |
| Claire Johnston | 1801785217 | Student in an Organized Health Care Education/Training Program | Hillsboro, OR | 2025 |
| Claire Johnston | 1942929427 | Social Worker | Southfield, MI | 2022 |
| Clare Johnston, AGPCNP-BC | 1063925972 | Adult Health Nurse Practitioner | Boynton Beach, FL | 2017 |
| Clare Johnston | 1750175766 | Case Manager/Care Coordinator | Fairfield, CA | 2025 |
| Clarissa Johnston, MD | 1649342445 | Hospice and Palliative Medicine (Internal Medicine) Physician | Austin, TX | 2006 |
| Clarissa Johnston, DO | 1851371579 | Family Medicine Physician | Phoenix, AZ | 2006 |
| Clayton Johnston, PHARMD | 1326681735 | Pharmacist | Gainesville, FL | 2019 |
| Clayton Johnston, D.M.D., P.A. | 1881781250 | General Practice Dentistry | Brookhaven, MS | 2006 |
| Codi Johnston, MSN, APRN, FNP-C | 1124788955 | Family Nurse Practitioner | Phoenix, AZ | 2021 |
| Cody Johnston, CRNA | 1285900605 | Certified Registered Nurse Anesthetist | Warrensburg, MO | 2012 |
| Cole Johnston, DDS | 1467190785 | Student in an Organized Health Care Education/Training Program | Minneapolis, MN | 2022 |
| Cole Johnston, PT, DPT | 1821781071 | Physical Therapist | Omaha, NE | 2023 |
| Coleen Johnston, D.V.M. | 1215158225 | Veterinarian | Palm Bay, FL | 2007 |
| Colin Johnston, DDS | 1972613081 | Dentist | Port Jervis, NY | 2006 |
| Colleen Johnston, MA, LPC | 1285387100 | Professional Counselor | Austin, TX | 2022 |
| Colleen Johnston, LCSWR | 1407180250 | Clinical Social Worker | Hall, NY | 2009 |
| Colleen Johnston, MSN, APRN, FNP-BC | 1669217477 | Family Nurse Practitioner | Burlington, VT | 2024 |
| Colleen Johnston | 1881253938 | Mental Health Counselor | Pittsburgh, PA | 2019 |
| Collin Johnston, DO | 1225272289 | Phlebology Physician | Mesa, AZ | 2009 |
| Colton Johnston, ACNPC-AG | 1003376328 | Nurse Practitioner | Panama City, FL | 2019 |
| Connie Johnston | 1568073724 | Homemaker | Delray, WV | 2020 |
| Connie Johnston, RBT | 1871188953 | Behavior Technician | Crestview, FL | 2021 |
| Connor Johnston | 1376471433 | Personal Care Attendant | Bellevue, NE | 2026 |
| Conor Johnston, PA-C | 1275396293 | Physician Assistant | North Charleston, SC | 2024 |
| Cooper Johnston, D.O. | 1073992087 | Family Medicine Physician | Phoenix, AZ | 2015 |
| Corey Johnston | 1770378754 | Pediatrics Physician | Richmond, VA | 2025 |
| Corie Johnston, LPN | 1841795085 | Licensed Practical Nurse | Suffern, NY | 2018 |
| Corinne Johnston, LSW | 1952484552 | Social Worker | Brewer, ME | 2006 |
| Cornelia Johnston | 1316416811 | Social Worker | Westwood, MA | 2018 |
| Corrine Johnston | 1952899569 | Physical Therapy Assistant | Winnsboro, TX | 2018 |
| Corry Johnston, PHARM.D. | 1104105170 | Pharmacist | Gainesville, FL | 2011 |
| Cory Johnston, DMD | 1376863068 | General Practice Dentistry | Grants Pass, OR | 2010 |
| Cory Johnston | 1952790511 | Rehabilitation Practitioner | Riverdale, NJ | 2015 |
| Courtney Johnston | 1023435641 | Case Manager/Care Coordinator | North Platte, NE | 2014 |
| Courtney Johnston, PHARM D | 1104399518 | Pharmacist | Cleveland, MS | 2019 |
| Courtney Johnston, APRN-C | 1356176549 | Family Nurse Practitioner | Thayer, KS | 2024 |
| Courtney Johnston, MD | 1366130551 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2023 |
| Courtney Johnston | 1588403687 | Peer Specialist | Medford, OR | 2024 |
| Courtney Johnston | 1588435085 | Case Manager/Care Coordinator | Dayton, OH | 2024 |
| Courtney Johnston, PA-C | 1861940462 | Surgical Physician Assistant | Dalton, GA | 2016 |
| Coy Johnston, MD | 1720371321 | Family Medicine Physician | Weston, WI | 2011 |
| Craig Johnston, MD | 1033100839 | Family Medicine Physician | Indianapolis, IN | 2005 |
| Craig Johnston, D.D.S. | 1043421365 | Oral and Maxillofacial Surgery (Dentist) | Issaquah, WA | 2007 |
| Craig Johnston, MD | 1144248378 | Anesthesiology Physician | Seattle, WA | 2006 |
| Craig Johnston, DO | 1477295244 | Family Medicine Physician | Erie, PA | 2022 |
| Craig Johnston, DO | 1679537138 | Family Medicine Physician | Erie, PA | 2006 |
| Cricket Johnston, RN | 1457957003 | Registered Nurse | Topeka, KS | 2020 |
| Cris Johnston, PH.D. | 1174512644 | Clinical Neuropsychologist | Prescott, WI | 2005 |
| Cristin Johnston, RPH PHARMD | 1497617534 | Pharmacist | Asheboro, NC | 2025 |
| Cristin Johnston, PH.D | 1922996909 | Behavior Analyst | Pleasanton, CA | 2025 |
| Cristina Johnston, M.D. | 1538116793 | Anesthesiology Physician | Rockville, MD | 2006 |
| Cristina Johnston, CDCA | 1790363125 | Addiction (Substance Use Disorder) Counselor | Dayton, OH | 2021 |
| Crystal Johnston | 1033428636 | Psychiatric/Mental Health Registered Nurse | Eugene, OR | 2010 |
| Crystal Johnston | 1073151635 | Behavior Analyst | Walnut Creek, CA | 2019 |
| Crystal Johnston, LPN | 1366680928 | Licensed Practical Nurse | Hannibal, MO | 2009 |
| Crystal Johnston | 1932910338 | Registered Nurse | Northampton, MA | 2025 |
| Curran Johnston, LICENSED MASSAGE T | 1700417367 | Massage Therapist | Martinsburg, WV | 2020 |
| Curtis Johnston, M.D. | 1669497657 | Anatomic Pathology & Clinical Pathology Physician | Phoenix, AZ | 2006 |
| Curtis Johnston, D.O. | 1871943308 | Family Medicine Physician | Springfield, IL | 2016 |
| Cynthia Johnston | 1023987948 | Hearing Instrument Specialist | Birmingham, AL | 2025 |
| Cynthia Johnston, PHARM.D. | 1104888668 | Pharmacotherapy Pharmacist | Durham, NC | 2006 |
| Cynthia Johnston, PT | 1154595999 | Physical Therapist | Westby, WI | 2008 |
| Cynthia Johnston, LCSW | 1417091679 | Clinical Social Worker | Huntington, NY | 2007 |
| Cynthia Johnston | 1447989884 | Student in an Organized Health Care Education/Training Program | Las Vegas, NV | 2022 |
| Cynthia Johnston, LPC | 1518277664 | Mental Health Counselor | Columbus, OH | 2010 |
| Cynthia Johnston | 1679026975 | Hearing Instrument Specialist | Sugar Land, TX | 2016 |
| Cynthia Johnston, M.D. | 1699731448 | Adult Medicine Physician | Tucson, AZ | 2006 |
| Cynthia Johnston, M.D. | 1831162239 | Emergency Medicine Physician | Marathon, FL | 2006 |
| Cynthia Johnston | 1871220400 | Case Manager/Care Coordinator | Waterford, MI | 2022 |
| Cynthia Johnston, FNP | 1942089727 | Nurse Practitioner | Lillington, NC | 2023 |
| Cynthiia Johnston | 1770029308 | Registered Nurse | Livonia, NY | 2017 |
| Dailyn Johnston, SLP | 1710791447 | Speech-Language Pathologist | Canton, MS | 2025 |
| Daina Johnston | 1609158708 | Pharmacist | Rogers, AR | 2011 |
| Daisy Johnston | 1235927906 | Personal Care Attendant | Barboursville, WV | 2025 |
| Dakota Johnston, BEHAVIORAL TECH | 1861221566 | Behavior Technician | O Fallon, IL | 2024 |
| Dale Johnston, MD | 1912994369 | Diagnostic Radiology Physician | Little Rock, AR | 2005 |
| Daley Johnston | 1053866103 | Specialist | Searcy, AR | 2016 |
| Dallas Johnston, DC | 1124557764 | Chiropractor | Pflugerville, TX | 2017 |
| Dallas Johnston, PA | 1386394898 | Physician Assistant | Grand Rapids, MI | 2022 |
| Dan Johnston | 1447657333 | Surgical Assistant | Marinette, WI | 2014 |
| Dan Johnston, M.D. | 1891762118 | Anesthesiology Physician | Minneapolis, MN | 2006 |
| Dana Johnston, M.D. | 1083684849 | Obstetrics & Gynecology Physician | Franklin Square, NY | 2006 |
| Dana Johnston, MS, ATC | 1083910053 | Athletic Trainer | Putnam Valley, NY | 2011 |
| Dana Johnston, LCSW | 1780668319 | Clinical Social Worker | Virginia Beach, VA | 2005 |
| Daniel Johnston, M.D. | 1144422015 | Psychiatry Physician | Winston Salem, NC | 2007 |
| Daniel Johnston, MD | 1235337726 | Vascular Surgery Physician | Kalamazoo, MI | 2007 |
| Daniel Johnston, MD | 1396449336 | Internal Medicine Physician | Winston Salem, NC | 2023 |
| Daniel Johnston, AUD | 1447933809 | Audiologist | Fort Stewart, GA | 2023 |
| Daniel Johnston, MS, PA-C | 1487885596 | Physician Assistant | Wausau, WI | 2009 |
| Daniel Johnston, PA-C | 1538311717 | Physician Assistant | Nashville, TN | 2008 |
| Daniel Johnston | 1598414260 | Case Manager/Care Coordinator | Akron, OH | 2022 |
| Daniel Johnston, MD | 1598941668 | Aerospace Medicine Physician | Templeton, CA | 2008 |
| Daniel Johnston, D.C. | 1629343538 | Chiropractor | Tyrone, GA | 2012 |
| Daniel Johnston, PHD | 1639248982 | Psychologist | Macon, GA | 2006 |
| Daniel Johnston | 1669818936 | Mental Health Counselor | Santa Cruz, CA | 2013 |
| Daniel Johnston, MD | 1740984889 | Military Health Care Provider | Camp Lejeune, NC | 2023 |
| Daniel Johnston, CRNP | 1750731535 | Family Nurse Practitioner | Tuscaloosa, AL | 2016 |
| Daniel Johnston, MD | 1760543318 | Family Medicine Physician | Christiansted, VI | 2006 |
| Daniel Johnston, ATC | 1790154276 | Athletic Trainer | Clemson, SC | 2015 |
| Daniel Johnston, O.D. | 1831161744 | Optometrist | West Chester, PA | 2006 |
| Daniel Johnston, DC DOCTOR OF CHIROPR | 1861531261 | Chiropractor | Wenatchee, WA | 2007 |
| Daniel Johnston, D.M.D. | 1881034890 | General Practice Dentistry | Tupelo, MS | 2013 |
| Daniel Johnston, PT, OCS, CSCS, CMP | 1891727137 | Physical Therapist | Camarillo, CA | 2006 |
| Daniel Johnston, P.T.A. | 1891922712 | Physical Therapy Assistant | Ottumwa, IA | 2009 |
| Daniele Johnston, CLC | 1356929921 | Lactation Consultant (Non-RN) | Caldwell, ID | 2021 |
| Danielle Johnston, LPC | 1083368310 | Professional Counselor | Myrtle Beach, SC | 2022 |
| Danielle Johnston | 1184183501 | Registered Nurse | New Tazewell, TN | 2019 |
| Danielle Johnston | 1245708387 | Acute Care Nurse Practitioner | Birmingham, AL | 2018 |
| Danielle Johnston, FNP-C | 1265838841 | Nurse Practitioner | Houston, TX | 2014 |
| Danielle Johnston, MS, ATC | 1326590795 | Athletic Trainer | Cornwall, NY | 2016 |
| Danielle Johnston, APRN | 1386408854 | Family Nurse Practitioner | South Burlington, VT | 2024 |
| Danielle Johnston, D.O. | 1679325823 | Student in an Organized Health Care Education/Training Program | Clinton, NC | 2024 |
| Danielle Johnston, DC | 1760003149 | Chiropractor | Los Angeles, CA | 2020 |
| Danielle Johnston, RPA-C | 1902118433 | Physician Assistant | Clarence, NY | 2010 |
| Danielle Johnston, LCSW | 1992749998 | Clinical Social Worker | St George, UT | 2006 |
| Danika Johnston | 1235362575 | Occupational Therapist | Pittsburgh, PA | 2009 |
| Danna Johnston | 1902687734 | Occupational Therapist | Canton, MI | 2023 |
| Danya Johnston | 1972141257 | Behavior Technician | Salt Lake City, UT | 2019 |
| Dara Johnston, CRNA | 1609130889 | Certified Registered Nurse Anesthetist | Greenville, NC | 2012 |
| Darcey Johnston, PSY.D | 1407980006 | Clinical Psychologist | Newport Beach, CA | 2007 |
| Darian Johnston | 1649886409 | Physical Therapist | Pinecrest, FL | 2020 |
| Darin Johnston, D.D.S. | 1659757250 | Oral & Maxillofacial Surgery (D.M.D.) | Travis Afb, CA | 2015 |
| Darion Johnston | 1255021259 | Professional Counselor | Columbia, SC | 2023 |
| Darla Johnston | 1104418375 | Personal Care Attendant | Mullens, WV | 2021 |
| Darla Johnston, COTA | 1477767283 | Occupational Therapy Assistant | Hampton, AR | 2007 |
| Darla Johnston, APRN, FNP-C | 1679023824 | Family Nurse Practitioner | Mountain Home, AR | 2016 |
| Darrell Johnston | 1376293670 | Behavior Technician | Las Cruces, NM | 2022 |
| David Johnston, LAC | 1013267590 | Acupuncturist | Oxnard, CA | 2012 |
| David Johnston | 1033243738 | Psychologist | Yuma, AZ | 2007 |
| David Johnston, M.D | 1063519783 | Emergency Medicine Physician | Robbinsdale, MN | 2006 |
| David Johnston, DDS | 1083799571 | Dentist | North Platte, NE | 2006 |
| David Johnston, M.D. | 1093731846 | Gastroenterology Physician | Lexington, KY | 2006 |
| David Johnston, DO | 1245212471 | General Practice Physician | Ridgefield, CT | 2005 |
| David Johnston, RS | 1255267704 | Counselor | Oak Harbor, WA | 2026 |
| David Johnston, PH.D | 1346308491 | Clinical Psychologist | Santa Cruz, CA | 2006 |
| David Johnston, PA | 1417116401 | Physician Assistant | Albany, NY | 2008 |
| David Johnston, CRNA | 1417400896 | Certified Registered Nurse Anesthetist | Gulfport, MS | 2016 |
| David Johnston, MSW | 1427741891 | Social Worker | Danbury, CT | 2023 |
| David Johnston, ATC | 1437245024 | Athletic Trainer | St George, UT | 2006 |
| David Johnston, LMFT | 1437299450 | Marriage & Family Therapist | Eureka, CA | 2007 |
| David Johnston, RPH | 1447537816 | Pharmacist | Littleton, CO | 2011 |
| David Johnston, OD | 1477546091 | Optometrist | Richmond, VA | 2005 |
| David Johnston | 1497974570 | General Practice Dentistry | Duncanville, TX | 2007 |
| David Johnston | 1518397017 | Occupational Therapist | Russellville, AR | 2013 |
| David Johnston, M. D. | 1548228133 | Surgery Physician | Jacksonville, FL | 2006 |
| David Johnston, PA-C | 1619043577 | Physician Assistant | Colorado Springs, CO | 2006 |
| David Johnston, D.D.S. | 1649277419 | General Practice Dentistry | Baton Rouge, LA | 2005 |
| David Johnston, D.C. | 1669539565 | Chiropractor | Lynnwood, WA | 2007 |
| David Johnston, MD | 1750674800 | Family Medicine Physician | Bryson City, NC | 2011 |
| David Johnston, MD | 1790766046 | Pediatrics Physician | Clarksville, TN | 2005 |
| David Johnston, PT, DPT | 1821659970 | Physical Therapist | Surprise, AZ | 2019 |
| David Johnston, MC | 1871662239 | Mental Health Counselor | Seattle, WA | 2006 |
| David Johnston | 1871962431 | Physician Assistant | Robbinsdale, MN | 2015 |
| David Johnston, M.D. | 1891734554 | Diagnostic Radiology Physician | Plano, TX | 2006 |
| David Johnston, CRNA | 1922060359 | Certified Registered Nurse Anesthetist | Reno, NV | 2006 |
| Davis Johnston, DO | 1073308367 | Student in an Organized Health Care Education/Training Program | Vineland, NJ | 2025 |
| Dawn Johnston | 1720554314 | Clinical Social Worker | Elizabethtown, KY | 2018 |
| Dean Johnston | 1265075378 | Behavior Technician | Eureka, CA | 2019 |
| Dean Johnston, M.D. | 1598772154 | Specialist | Lake Mary, FL | 2006 |
| Deann Johnston, LCSW | 1639358922 | Clinical Social Worker | Naperville, IL | 2007 |
| Deanna Johnston | 1063383974 | School Counselor | Redondo Beach, CA | 2025 |
| Deanna Johnston, LPC | 1316429715 | Professional Counselor | College Station, TX | 2018 |
| Deanna Johnston | 1629454517 | Behavior Analyst | Las Vegas, NV | 2015 |
| Debora Johnston, PA-C | 1730691486 | Physician Assistant | West Islip, NY | 2017 |
| Deborah Johnston, LCSW-R | 1205032018 | Clinical Social Worker | Buffalo, NY | 2007 |
| Deborah Johnston, PA-C | 1407880396 | Family Medicine Physician | Billings, MT | 2006 |
| Deborah Johnston, RN | 1821895863 | Registered Nurse | Lake Havasu City, AZ | 2025 |
| Deborah Johnston, OT | 1881661262 | Occupational Therapist | Roswell, GA | 2006 |
| Deborah Johnston, GRNA | 1891764247 | Certified Registered Nurse Anesthetist | Albany, NY | 2006 |
| Deborrah Johnston, AU.D. | 1649372467 | Audiologist | Pittsburgh, PA | 2006 |
| Debra Johnston, RNP | 1053496828 | Nurse Practitioner | Bronx, NY | 2006 |
| Debra Johnston, C S W | 1275689887 | Clinical Social Worker | East Setauket, NY | 2007 |
| Debra Johnston | 1376860999 | Counselor | Tacoma, WA | 2010 |
| Debra Johnston, FNP-BC | 1427117605 | Family Nurse Practitioner | Bakersfield, CA | 2006 |
| Deedee Johnston | 1184218380 | Pediatric Registered Nurse | Houston, TX | 2021 |
| Delilah Johnston | 1194655084 | Pharmacy Technician | Milwaukee, WI | 2026 |
| Delynn Johnston, RRT | 1265790430 | Registered Respiratory Therapist | Fort Wayne, IN | 2012 |
| Demetrous Johnston, PMHNP-BC | 1407460413 | Psychiatric/Mental Health Nurse Practitioner | Chesapeake, VA | 2020 |
| Dena Johnston | 1417538646 | Family Nurse Practitioner | Columbus, OH | 2021 |
| Denise Johnston | 1174484455 | Case Manager/Care Coordinator | Lima, OH | 2025 |
| Denise Johnston | 1215496948 | Licensed Practical Nurse | Eugene, OR | 2019 |
| Denise Johnston, NP | 1255311320 | Nurse Practitioner | North Wilkesboro, NC | 2006 |
| Denise Johnston, RN | 1346057551 | Ambulatory Care Registered Nurse | Grand Forks, ND | 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).