Providers Christin Simpson, LPA to Diatra Simpson
300 individual NPIs in the federal registry, part 20,265 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. 74 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Christin Simpson, LPA | 1407824808 | Psychologist | Cary, NC | 2006 |
| Christin Simpson | 1841000429 | Student in an Organized Health Care Education/Training Program | Memphis, TN | 2025 |
| Christina Simpson | 1164240750 | Behavior Technician | Columbia, SC | 2024 |
| Christina Simpson | 1174084800 | Clinical Social Worker | Los Ranchos, NM | 2019 |
| Christina Simpson, OD, FAAO | 1194134627 | Optometrist | Rochester, NH | 2014 |
| Christina Simpson | 1366012585 | Behavior Technician | Oakland, CA | 2021 |
| Christina Simpson | 1386100899 | Massage Therapist | Tulsa, OK | 2019 |
| Christina Simpson | 1457282188 | Community Health Worker | South Charleston, WV | 2026 |
| Christina Simpson | 1598651093 | Behavior Technician | Orlando, FL | 2025 |
| Christina Simpson, MLS | 1730017807 | Phlebotomy Technician | Snellville, GA | 2026 |
| Christina Simpson, RN | 1730895103 | Ambulatory Care Registered Nurse | Los Angeles, CA | 2023 |
| Christina Simpson, RPH | 1831483916 | Pharmacist | Bridgeton, MO | 2011 |
| Christina Simpson, PA-C | 1851444020 | Physician Assistant | New York, NY | 2007 |
| Christina Simpson, PA-C | 1891177747 | Medical Physician Assistant | West Palm Beach, FL | 2015 |
| Christine Simpson, APRN | 1023195765 | Psychiatric/Mental Health Nurse Practitioner | Milford, CT | 2006 |
| Christine Simpson | 1104607860 | Behavior Analyst | Cold Spring, MN | 2023 |
| Christine Simpson | 1225411150 | Speech-Language Pathologist | Silverton, OR | 2015 |
| Christine Simpson, LCSW | 1306972401 | Clinical Social Worker | Kokomo, IN | 2007 |
| Christine Simpson, LCSW | 1487736344 | Clinical Social Worker | New Haven, CT | 2006 |
| Christine Simpson, PSY.D. | 1568008860 | Clinical Psychologist | Pittsburgh, PA | 2019 |
| Christine Simpson, MSW | 1710940226 | Clinical Social Worker | Charlotte, NC | 2006 |
| Christine Simpson, MA, RBT | 1790291938 | Behavior Technician | Honolulu, HI | 2017 |
| Christopher Simpson, PA | 1003178336 | Physician Assistant | Salem, OR | 2012 |
| Christopher Simpson, PSY.D. | 1174927172 | Psychologist | Peoria, AZ | 2014 |
| Christopher Simpson | 1194447870 | Clinical Social Worker | Eagle Mountain, UT | 2022 |
| Christopher Simpson, P.A.-C | 1255410577 | Physician Assistant | Wilmington, NC | 2006 |
| Christopher Simpson, PHARM D | 1295769933 | Pharmacist | Birmingham, AL | 2006 |
| Christopher Simpson, DO | 1437151024 | General Practice Physician | Athens, OH | 2005 |
| Christopher Simpson, M.D. | 1518229616 | Anesthesiology Physician | Fishersville, VA | 2012 |
| Christopher Simpson | 1619582111 | Behavior Technician | San Diego, CA | 2020 |
| Christopher Simpson, PA-C | 1760359830 | Physician Assistant | Flint, MI | 2025 |
| Christopher Simpson, MD | 1811931090 | Interventional Cardiology Physician | Rogers, AR | 2006 |
| Christopher Simpson | 1861211799 | Behavior Analyst | Chicago, IL | 2024 |
| Christopher Simpson, BA | 1881887529 | Mental Health Counselor | Corbin, KY | 2007 |
| Christy Simpson | 1083420186 | Personal Care Attendant | Keyser, WV | 2024 |
| Christy Simpson, PHARMD | 1578327599 | Pharmacist | Matthews, NC | 2024 |
| Christy Simpson, COTA | 1720428378 | Occupational Therapy Assistant | Louisville, KY | 2013 |
| Christy Simpson | 1912449141 | Clinical Social Worker | Decatur, GA | 2016 |
| Christy Simpson, M.A. | 1932371341 | Case Manager/Care Coordinator | Auburn, CA | 2008 |
| Chrystal Simpson, CRNP | 1578010203 | Acute Care Nurse Practitioner | Huntsville, AL | 2016 |
| Chumie Simpson, SPECIAL ED | 1851870356 | Specialist | Brooklyn, NY | 2018 |
| Cidney Simpson | 1730072281 | Behavior Technician | Los Angeles, CA | 2025 |
| Cierra Simpson | 1477415586 | Behavior Technician | Holly Springs, NC | 2025 |
| Cierra Simpson | 1821704834 | Social Worker | Monroe, LA | 2023 |
| Cierra Simpson | 1942805833 | Clinical Social Worker | Washington, DC | 2020 |
| Cindy Simpson, MA, LCMHCA | 1699538405 | Mental Health Counselor | Raleigh, NC | 2024 |
| Claire Simpson, SLP | 1003536525 | Speech-Language Pathologist | Plano, TX | 2022 |
| Claire Simpson | 1295501054 | Home Health Aide | Hamilton, OH | 2023 |
| Claire Simpson, DMD | 1366209140 | Dentist | Surprise, AZ | 2024 |
| Claire Simpson, PHD | 1447721378 | Clinical Psychologist | Dallas, TX | 2018 |
| Claire Simpson, PHARMD | 1649686924 | Pharmacist | West Chester, OH | 2014 |
| Claire Simpson, OTR/L | 1750982344 | Occupational Therapist | Denver, CO | 2020 |
| Claire Simpson, MD | 1952552556 | Emergency Medicine Physician | Deland, FL | 2008 |
| Clara Simpson, FNP | 1023668738 | Family Nurse Practitioner | Spokane Valley, WA | 2019 |
| Clara Simpson | 1518835289 | Speech-Language Pathologist | West Chester, PA | 2025 |
| Clara Simpson | 1801766472 | Orthopedic Physical Therapist | Los Angeles, CA | 2025 |
| Clark Simpson, LAT/ATC | 1013950211 | Kinesiotherapist | Middletown, IN | 2006 |
| Claudia Simpson | 1669507703 | Basic Emergency Medical Technician | Fort Dix, NJ | 2007 |
| Claudia Simpson | 1831673284 | Athletic Trainer | Statesboro, GA | 2018 |
| Cletus Simpson, DDS | 1588645006 | Dentist | Bunn, NC | 2005 |
| Clifford Simpson | 1013398817 | Mental Health Counselor | Layton, UT | 2015 |
| Clint Simpson, M.D. | 1053553719 | Ophthalmology Physician | Lansing, MI | 2009 |
| Clinton Simpson, M.D. | 1629367420 | Emergency Medicine Physician | Evansville, IN | 2011 |
| Coby Simpson, OTR | 1457509028 | Occupational Therapist | San Antonio, TX | 2008 |
| Cody Simpson, DC | 1407577471 | Chiropractor | Savage, MN | 2022 |
| Cody Simpson, D.C. | 1720524135 | Chiropractor | Humble, TX | 2017 |
| Cole Simpson | 1396401154 | Critical Care Medicine Registered Nurse | Aurora, CO | 2021 |
| Coleia Simpson, LCSW-C | 1225793052 | Clinical Social Worker | Germantown, MD | 2021 |
| Colette Simpson | 1205780160 | Women's Health Nurse Practitioner | Lynnfield, MA | 2026 |
| Colleen Simpson | 1245093459 | Personal Care Attendant | Reno, NV | 2024 |
| Colleen Simpson, RN | 1548368137 | Oncology Registered Nurse | Seattle, WA | 2006 |
| Colleen Simpson | 1780185157 | Behavior Analyst | Arnold, MD | 2018 |
| Collin Simpson, MD | 1861321440 | Student in an Organized Health Care Education/Training Program | Philadelphia, PA | 2026 |
| Connie Simpson, PT | 1235209040 | Physical Therapist | Boise, ID | 2006 |
| Connie Simpson, LPC , MHSP | 1609045806 | Mental Health Counselor | Johnson City, TN | 2008 |
| Connie Simpson, N.P. | 1679785984 | Nurse Practitioner | Rome, GA | 2007 |
| Connie Simpson | 1760733299 | Home Health Aide | West Portsmouth, OH | 2012 |
| Connie Simpson, FNP | 1780805044 | Family Nurse Practitioner | Anderson, SC | 2007 |
| Connie Simpson | 1902147705 | Speech-Language Pathologist | Kennewick, WA | 2013 |
| Connor Simpson | 1134813801 | Behavior Technician | Monrovia, CA | 2023 |
| Connor Simpson, PT, DPT | 1255764817 | Physical Therapist | West Roxbury, MA | 2013 |
| Constance Simpson, APRN | 1306348826 | Family Nurse Practitioner | Memphis, TN | 2018 |
| Constance Simpson, LCSW | 1730507898 | Clinical Social Worker | Cherry Hill, NJ | 2014 |
| Cooper Simpson | 1578174694 | Social Worker | Madison, WI | 2020 |
| Cooper Simpson, PHYSICIAN ASSISTANT | 1891237871 | Physician Assistant | Nampa, ID | 2016 |
| Cordes Simpson, LPC | 1235454851 | Professional Counselor | Charleston, SC | 2010 |
| Corey Simpson, MD | 1356404834 | Pediatrics Physician | San Diego, CA | 2006 |
| Corey Simpson, PT, DPT | 1568179919 | Physical Therapist | Centerton, AR | 2022 |
| Corey Simpson | 1669283107 | Case Manager/Care Coordinator | Lima, OH | 2025 |
| Corey Simpson | 1780362699 | Behavior Technician | Fort Collins, CO | 2023 |
| Corie Simpson | 1114258712 | Occupational Therapist | Bridgeport, CT | 2010 |
| Corrie Simpson, LPC | 1932909744 | Mental Health Counselor | Lakewood, CO | 2025 |
| Corrina Simpson | 1932980497 | Behavior Technician | Hinesville, GA | 2023 |
| Cortney Simpson, FNP-C | 1134634702 | Occupational Health Nurse Practitioner | Highlands Ranch, CO | 2017 |
| Cory Simpson, MD, PHD | 1134474356 | Dermatology Physician | Seattle, WA | 2012 |
| Cory Simpson, REGISTERED NURSE/ RN | 1447965330 | Registered Nurse | Show Low, AZ | 2023 |
| Cory Simpson | 1912479205 | Behavior Technician | Eagle River, AK | 2018 |
| Courteney Simpson | 1952277733 | Speech-Language Pathologist | Lincoln, NH | 2025 |
| Courtney Simpson | 1174949713 | Counselor | Philadelphia, PA | 2014 |
| Courtney Simpson, M.S. | 1215462668 | Psychologist | Seattle, WA | 2017 |
| Courtney Simpson | 1558765115 | Licensed Practical Nurse | Jamaica, NY | 2014 |
| Courtney Simpson | 1598694648 | Personal Care Attendant | Dixie, WV | 2026 |
| Courtney Simpson | 1649720681 | Professional Counselor | Washington, DC | 2016 |
| Craig Simpson, CERTIFIED SOCIAL WOR | 1518045699 | Clinical Social Worker | Salt Lake City, UT | 2006 |
| Craig Simpson, BCBA | 1679493803 | Behavior Analyst | Silver Spring, MD | 2026 |
| Craig Simpson, M.S., P.T. | 1821004060 | Physical Therapist | Slatersville, RI | 2006 |
| Cree Simpson | 1811312184 | Counselor | Norman, OK | 2014 |
| Cristina Simpson, L.C.S.W. | 1285784231 | Clinical Social Worker | Tucson, AZ | 2007 |
| Cristina Simpson, M.D. | 1710989983 | Obstetrics & Gynecology Physician | San Antonio, TX | 2005 |
| Cristina Simpson, RN | 1811160450 | Registered Nurse | Huber Heights, OH | 2008 |
| Crystal Simpson | 1023727740 | Personal Care Attendant | Las Vegas, NV | 2022 |
| Crystal Simpson | 1043743859 | Occupational Therapy Assistant | Pompano Beach, FL | 2017 |
| Crystal Simpson, PT | 1073701793 | Physical Therapist | Bel Air, MD | 2007 |
| Crystal Simpson, DMD | 1265817977 | General Practice Dentistry | Oquawka, IL | 2015 |
| Crystal Simpson | 1457995359 | Registered Nurse | Killeen, TX | 2019 |
| Crystal Simpson | 1467626879 | Social Worker | Wauwatosa, WI | 2008 |
| Crystal Simpson, B.A. | 1801044771 | Mental Health Counselor | Buffalo, NY | 2008 |
| Crystal Simpson, M.D. | 1952341695 | Geriatric Medicine (Family Medicine) Physician | Parkville, MD | 2006 |
| Crystal Simpson, LPN | 1962111286 | Licensed Practical Nurse | Lima, OH | 2022 |
| Curley Simpson, LMFT | 1104422914 | Marriage & Family Therapist | Lafayette, LA | 2020 |
| Curtis Simpson | 1750263471 | Behavior Technician | Farmington Hills, MI | 2025 |
| Cynthia Simpson, QBHP | 1104121383 | Case Manager/Care Coordinator | Jonesboro, AR | 2011 |
| Cynthia Simpson, RDHAP | 1144373838 | Dental Hygienist | Antelope, CA | 2007 |
| Cynthia Simpson, NP | 1265438824 | Nurse Practitioner | Alexandria Bay, NY | 2005 |
| Cynthia Simpson | 1285148403 | Addiction (Substance Use Disorder) Counselor | San Diego, CA | 2017 |
| Cynthia Simpson, ARNP | 1346285715 | Nurse Practitioner | Danville, KY | 2006 |
| Cynthia Simpson, M.S. CCC-SLP | 1518051853 | Speech-Language Pathologist | Louisville, KY | 2006 |
| Cynthia Simpson | 1568047637 | Administrator Registered Nurse | Framingham, MA | 2021 |
| Cynthia Simpson, MD | 1619196946 | Emergency Medicine Physician | Jacksonville, IL | 2007 |
| Cynthia Simpson, PTA | 1629332713 | Physical Therapy Assistant | Paris, IL | 2012 |
| Cynthia Simpson, CLC, CD | 1649111790 | Doula | Bartlett, IL | 2026 |
| Cynthia Simpson, MSW, RAS, PH.D. | 1669516860 | Addiction (Substance Use Disorder) Counselor | Clarksville, OH | 2007 |
| Cynthia Simpson, LICSW | 1780068783 | Clinical Social Worker | Concord, MA | 2015 |
| Cynthia Simpson, PT,DPT | 1790072023 | Orthopedic Physical Therapist | Austin, TX | 2011 |
| Cynthia Simpson, LCSW | 1891824173 | Clinical Social Worker | High Point, NC | 2007 |
| Cynthia Simpson | 1942164306 | Registered Dietitian | Lawrenceville, GA | 2025 |
| D'Angelo Simpson | 1770453284 | Personal Care Attendant | Milton, WV | 2025 |
| Daja Simpson, BA | 1518323492 | Case Manager/Care Coordinator | Canton, OH | 2016 |
| Dajana Simpson | 1275426702 | Personal Care Attendant | Washington, DC | 2025 |
| Dakota Simpson | 1528737244 | Peer Specialist | Malone, NY | 2021 |
| Dale Simpson, PHD | 1194779470 | Counseling Psychologist | Venice, FL | 2006 |
| Dale Simpson, MD | 1487636098 | Psychiatry Physician | Sanford, NC | 2005 |
| Dale Simpson, MSW, LCSW | 1881902237 | Clinical Social Worker | El Cajon, CA | 2010 |
| Dalila Simpson, DDS | 1326214594 | General Practice Dentistry | Bronx, NY | 2008 |
| Damien Simpson, MS | 1801602982 | Speech-Language Pathologist | Harris, NY | 2024 |
| Damion Simpson, MD | 1730717414 | Emergency Medicine Physician | North Miami Beach, FL | 2020 |
| Damon Simpson, COTA/L | 1104303551 | Occupational Therapy Assistant | Danville, VA | 2018 |
| Damon Simpson, M.D. | 1891775177 | Surgery Physician | Mt Pleasant, SC | 2006 |
| Dan Simpson, LPN | 1174876817 | Licensed Practical Nurse | Lebanon, OH | 2012 |
| Dana Simpson, OTRL | 1003965724 | Occupational Therapist | Gilbert, AZ | 2007 |
| Dana Simpson, P.A. | 1073795696 | Physician Assistant | Valdosta, GA | 2007 |
| Dana Simpson, FNP | 1114253689 | Family Nurse Practitioner | Chattanooga, TN | 2009 |
| Dana Simpson | 1114550217 | Behavior Technician | Oak Harbor, WA | 2020 |
| Dana Simpson, MD | 1124019328 | Family Medicine Physician | North Charleston, SC | 2005 |
| Dana Simpson, P.A. | 1215011440 | Surgical Physician Assistant | Atlanta, GA | 2006 |
| Dana Simpson | 1245173046 | Behavior Technician | Farmington Hills, MI | 2026 |
| Dana Simpson, MD | 1255346771 | Clinical Genetics (M.D.) Physician | Portland, OR | 2006 |
| Dana Simpson | 1427945187 | Case Manager/Care Coordinator | Berkeley, CA | 2025 |
| Dana Simpson, OTR/L | 1467017723 | Occupational Therapist | Phoenix, AZ | 2019 |
| Dana Simpson, LPN | 1902161656 | Licensed Practical Nurse | Marion, OH | 2012 |
| Danel Simpson | 1295602175 | Licensed Practical Nurse | Queens Village, NY | 2025 |
| Daniel Simpson, MD | 1043277643 | Internal Medicine Physician | Brookline, MA | 2006 |
| Daniel Simpson | 1043631815 | Physical Therapy Assistant | Indiana, PA | 2013 |
| Daniel Simpson, MD | 1073539078 | Interventional Cardiology Physician | Kingsport, TN | 2006 |
| Daniel Simpson, M.D. | 1154680460 | Hospitalist Physician | Birmingham, AL | 2012 |
| Daniel Simpson | 1386449296 | Registered Nurse | Dublin, OH | 2025 |
| Daniel Simpson, DO | 1447780184 | Emergency Medicine Physician | Macungie, PA | 2017 |
| Daniel Simpson | 1447989264 | Behavior Technician | West Fargo, ND | 2022 |
| Daniel Simpson, BCBA | 1467015800 | Behavior Analyst | Farmington Hills, MI | 2019 |
| Daniel Simpson, M.A. | 1508043381 | Marriage & Family Therapist | Jackson, CA | 2008 |
| Daniel Simpson, MD | 1649348046 | Emergency Medicine Physician | Cheraw, SC | 2006 |
| Daniel Simpson, M.D. | 1689974883 | Radiation Oncology Physician | La Jolla, CA | 2010 |
| Danielle Simpson | 1063105542 | Personal Care Attendant | Las Vegas, NV | 2023 |
| Danielle Simpson, M.D. | 1063947737 | Psychiatry Physician | Philadelphia, PA | 2017 |
| Danielle Simpson, MS, CCC-SLP, TSSLD | 1144667940 | Speech-Language Pathologist | West Islip, NY | 2013 |
| Danielle Simpson, PT | 1205251337 | Specialist | Middletown, OH | 2014 |
| Danielle Simpson, RN | 1245648153 | Critical Care Medicine Registered Nurse | Winston Salem, NC | 2014 |
| Danielle Simpson, O.D. | 1326336157 | Optometrist | Tumwater, WA | 2011 |
| Danielle Simpson | 1366241325 | Case Manager/Care Coordinator | Concord, NH | 2025 |
| Danielle Simpson | 1447820782 | Behavior Technician | Billings, MT | 2021 |
| Danielle Simpson | 1588164677 | Behavior Technician | Pleasanton, CA | 2018 |
| Danielle Simpson, CNM | 1609448687 | Advanced Practice Midwife | Winston Salem, NC | 2021 |
| Danielle Simpson, A.A.S,B.S., M.S.E. | 1710483102 | Case Manager/Care Coordinator | Dayton, OH | 2018 |
| Danielle Simpson, BCBA | 1801566104 | Behavior Analyst | Wesley Chapel, FL | 2021 |
| Danielle Simpson | 1891440418 | Behavior Technician | Tracy, CA | 2022 |
| Danielle Simpson, APRN-BC /PMHNP-BC | 1912536327 | Psychiatric/Mental Health Nurse Practitioner | Seattle, WA | 2020 |
| Danielle Simpson | 1922829316 | Behavior Technician | Pittsburgh, PA | 2024 |
| Danielle Simpson | 1932565231 | School Psychologist | Pataskala, OH | 2016 |
| Danielle Simpson, MD | 1932783024 | Physical Medicine & Rehabilitation Physician | Bowie, MD | 2021 |
| Danielle Simpson | 1992534382 | Behavior Technician | Cypress, CA | 2024 |
| Dannon Simpson | 1902218084 | Registered Nurse | Austin, TX | 2014 |
| Danny Simpson | 1538291612 | Technician | Elizabethtown, KY | 2007 |
| Daphne Simpson, FNP | 1013356203 | Family Nurse Practitioner | Springfield, MO | 2013 |
| Daphne Simpson, ALC | 1356466163 | Professional Counselor | Ft Payne, AL | 2007 |
| Darcie Simpson, PT | 1245390137 | Physical Therapist | Rochester, MN | 2006 |
| Daria Simpson | 1770259848 | Behavior Technician | Pearland, TX | 2021 |
| Darlene Simpson | 1114558319 | Community Health Worker | Lexington, KY | 2020 |
| Darnell Simpson, DC | 1831380955 | Chiropractor | Thayne, WY | 2007 |
| Darren Simpson, DDS | 1497873962 | General Practice Dentistry | Westmont, IL | 2007 |
| Daryl Simpson, RN | 1447014964 | Child & Adolescent Psychiatric/Mental Health Registered Nurse | West Seneca, NY | 2024 |
| Davaugnda Simpson, QBHP | 1003002908 | Case Manager/Care Coordinator | Little Rock, AR | 2007 |
| David Simpson | 1093936460 | Occupational Therapist | Springdale, AR | 2007 |
| David Simpson | 1174860274 | Mental Health Counselor | Clinton, OK | 2013 |
| David Simpson, PA-C | 1194768671 | Physician Assistant | Newport, TN | 2006 |
| David Simpson, L.B.A. | 1235595109 | Behavior Analyst | Wantagh, NY | 2016 |
| David Simpson, OD | 1316388218 | Optometrist | Aurora, CO | 2013 |
| David Simpson, M.D. | 1316918592 | Neurology Physician | New York, NY | 2006 |
| David Simpson, MD | 1356452973 | Sports Medicine (Orthopaedic Surgery) Physician | Royal Palm Beach, FL | 2006 |
| David Simpson, D.O. | 1356453252 | Emergency Medicine Physician | Great Falls, MT | 2006 |
| David Simpson, RPH | 1417262197 | Pharmacist | Chester, SC | 2010 |
| David Simpson, LCSW | 1447312939 | Clinical Social Worker | Hampton, VA | 2006 |
| David Simpson, PCC | 1457441198 | Professional Counselor | Dayton, OH | 2006 |
| David Simpson | 1467046854 | Certified Registered Nurse Anesthetist | Fort Worth, TX | 2021 |
| David Simpson | 1477401073 | Clinical Social Worker | Canton, OH | 2026 |
| David Simpson, L.C.S.W | 1477632925 | Clinical Social Worker | Salt Lake City, UT | 2006 |
| David Simpson, PH.D. | 1568971513 | Counseling Psychologist | Tulsa, OK | 2017 |
| David Simpson, OT/L | 1609392414 | Occupational Therapist | Fayetteville, NC | 2017 |
| David Simpson, MD | 1609851930 | Family Medicine Physician | Wilmington, DE | 2005 |
| David Simpson, MD | 1629054788 | Anesthesiology Physician | Pensacola, FL | 2005 |
| David Simpson, DC | 1639122393 | Chiropractor | New York, NY | 2006 |
| David Simpson | 1659470474 | Social Worker | Chicago, IL | 2006 |
| David Simpson, MSW, LCSW, C-ASWCM | 1659538015 | Social Worker | Drexel Hill, PA | 2008 |
| David Simpson, PT | 1740020676 | Physical Therapist | Kalispell, MT | 2024 |
| David Simpson, LMT, MMP | 1760038079 | Massage Therapist | Arlington, TX | 2019 |
| David Simpson | 1770206641 | Social Worker | Portland, OR | 2022 |
| David Simpson | 1811450018 | Chiropractor | Ben Lomond, CA | 2019 |
| David Simpson | 1881195154 | Perfusionist | Livonia, MI | 2018 |
| David Simpson, MS, LAC | 1891084331 | Acupuncturist | Brooklyn, NY | 2011 |
| David Simpson, D.O. | 1912996265 | Neurology Physician | Farmington Hills, MI | 2005 |
| David Simpson, M.D., PH.D. | 1922365949 | Anesthesiology Physician | Spokane, WA | 2012 |
| Davon Simpson | 1346001054 | Personal Care Attendant | Las Vegas, NV | 2024 |
| Dawana Simpson, D.C. | 1821026618 | Chiropractor | Kamuela, HI | 2006 |
| Dawn Simpson, RPH | 1255421350 | Pharmacist | Senatobia, MS | 2006 |
| Dawn Simpson | 1275482812 | Doula | Lynnwood, WA | 2026 |
| Dayle Simpson | 1871483602 | Home Health Aide | Macarthur, WV | 2025 |
| Dayna Simpson, PHARMD | 1639454820 | Pharmacist | Woodstock, GA | 2011 |
| Deana Simpson | 1699170951 | Day Training/Habilitation Specialist | Cave City, AR | 2014 |
| Deangella Simpson, NP-C | 1700328135 | Family Nurse Practitioner | Southfield, MI | 2016 |
| Deanna Simpson, MSN, RNC | 1740045723 | Registered Nurse | Grandview Texas, TX | 2024 |
| Debbie Simpson | 1447671110 | Case Manager/Care Coordinator | Pawhuska, OK | 2013 |
| Debbie Simpson | 1649420910 | Mental Health Counselor | Carthage, NY | 2008 |
| Debora Simpson, PTA | 1033425707 | Physical Therapy Assistant | Roscoe, NY | 2010 |
| Debora Simpson, LPC-S | 1154606929 | Mental Health Counselor | Euless, TX | 2011 |
| Deborah Simpson, R.D., L.D. | 1063833374 | Registered Dietitian | Austin, TX | 2014 |
| Deborah Simpson | 1093154437 | Clinical Psychologist | Bloomfield Hills, MI | 2013 |
| Deborah Simpson | 1659845220 | Athletic Trainer | Saint Petersburg, FL | 2019 |
| Deborah Simpson | 1861125445 | Community Health Worker | Columbus, OH | 2022 |
| Deborah Simpson, MD | 1891713640 | Emergency Medicine Physician | West Columbia, SC | 2006 |
| Deborah Simpson, SPEECH PATHOLOGIST | 1972778462 | Speech-Language Pathologist | Farmington Hills, MI | 2008 |
| Debra Simpson | 1225891948 | Registered Nurse | Somerset, KY | 2024 |
| Debra Simpson, BCBA | 1396631818 | Behavior Analyst | Wesley Chapel, FL | 2025 |
| Debra Simpson, NP | 1528184777 | Nurse Practitioner | San Diego, CA | 2007 |
| Debra Simpson, LCPC | 1699879742 | Professional Counselor | Crystal Lake, IL | 2006 |
| Debra Simpson | 1730662230 | Pediatric Registered Nurse | Fulshear, TX | 2018 |
| Debra Simpson, N.P. | 1992863807 | Family Nurse Practitioner | Tacoma, WA | 2006 |
| Deedee Simpson | 1689137432 | Behavior Technician | City Of Industry, CA | 2019 |
| Deidra Simpson, PHARMD | 1194413856 | Pharmacotherapy Pharmacist | Lynchburg, VA | 2023 |
| Deidra Simpson | 1285156372 | Mental Health Counselor | Westampton, NJ | 2017 |
| Deja Simpson | 1619671526 | Behavior Technician | Moreno Valley, CA | 2023 |
| Dejorel Simpson | 1790502706 | Homemaker | Mayfield Heights, OH | 2024 |
| Delfina Simpson | 1407315344 | Adult Health Nurse Practitioner | Las Vegas, NV | 2019 |
| Demara Simpson | 1003691346 | Psychiatric/Mental Health Nurse Practitioner | Englewood, CO | 2023 |
| Demontae Simpson | 1639750870 | Community Health Worker | San Francisco, CA | 2021 |
| Demonte' Simpson | 1225434269 | Case Manager/Care Coordinator | Knoxville, TN | 2014 |
| Deneshia Simpson, LAC | 1932350642 | Mental Health Counselor | Fayetteville, AR | 2008 |
| Denice Simpson | 1720857535 | Peer Specialist | Bartlesville, OK | 2023 |
| Denise Simpson, LPN | 1154624724 | Licensed Practical Nurse | Cincinnati, OH | 2010 |
| Denise Simpson, OTR | 1477825701 | Occupational Therapist | Naples, FL | 2012 |
| Denise Simpson, LCSW | 1558722256 | Clinical Social Worker | Chesapeake, VA | 2016 |
| Denise Simpson, MSW, LCSW | 1659137172 | Clinical Social Worker | Stockton, CA | 2024 |
| Denise Simpson | 1659800043 | Case Manager/Care Coordinator | Stillwater, OK | 2017 |
| Denise Simpson, COTA/L | 1982048526 | Occupational Therapy Assistant | Riverdale, IL | 2013 |
| Dennis Simpson, PA-C | 1053347732 | Physician Assistant | Brewer, ME | 2006 |
| Dennis Simpson, CHLS | 1225577794 | Prosthetics Case Management | Dallas, TX | 2017 |
| Dennis Simpson, M.D. | 1316979644 | Internal Medicine Physician | Pullman, WA | 2006 |
| Dennis Simpson, MSN, PMHNP-BC | 1467989053 | Psychiatric/Mental Health Nurse Practitioner | Adrian, MI | 2017 |
| Derek Simpson, D.C., N.D. | 1154630069 | Chiropractor | Tumwater, WA | 2010 |
| Derek Simpson | 1710517875 | Physician Assistant | Danvers, MA | 2020 |
| Derick Simpson | 1528891512 | Behavior Technician | Monrovia, CA | 2024 |
| Derick Simpson | 1942978267 | Physical Therapist | Chatham, VA | 2021 |
| Destany Simpson | 1154128189 | Nurse's Aide | Cambridge, NE | 2025 |
| Destiny Simpson, M.ED | 1689398513 | Counselor | Morristown, TN | 2022 |
| Destiny Simpson | 1932679966 | Behavior Technician | Novi, MI | 2018 |
| Destynie Simpson | 1215476114 | Case Manager/Care Coordinator | Bronx, NY | 2017 |
| Detra Simpson | 1578806865 | Prosthetics Case Management | Antioch, TN | 2013 |
| Devin Simpson, D.C. | 1164723060 | Chiropractor | Thayne, WY | 2010 |
| Devon Simpson, LPC | 1245684356 | Professional Counselor | Fayetteville, AR | 2016 |
| Diamon Simpson | 1093220287 | Case Manager/Care Coordinator | Walnut Hills, OH | 2017 |
| Diana Simpson, RBT | 1083287965 | Behavior Technician | Mason, OH | 2021 |
| Diana Simpson | 1104646819 | Professional Counselor | Pittsburgh, PA | 2024 |
| Diana Simpson, LPC | 1770726663 | Counselor | Hudsonville, MI | 2009 |
| Diana Simpson, RN | 1801832118 | Community Health Registered Nurse | Evansville, IN | 2006 |
| Diane Simpson, MD | 1245433713 | Public Health & General Preventive Medicine Physician | Atlanta, GA | 2007 |
| Diane Simpson, EDD | 1497076764 | Specialist | Country Club Hills, IL | 2010 |
| Diane Simpson, LPN | 1649695404 | Licensed Practical Nurse | Greenfield, OH | 2014 |
| Diane Simpson, BS | 1871828921 | Student in an Organized Health Care Education/Training Program | Lowell, MA | 2009 |
| Dianna Simpson, OT | 1699361113 | Occupational Therapist | Greenville, TX | 2020 |
| Dianne Simpson, LPC-S, N.C.C | 1750495446 | Mental Health Counselor | Guntersville, AL | 2006 |
| Dianne Simpson, MSW | 1881746865 | Social Worker | Watkinsville, GA | 2007 |
| Diatra Simpson | 1619251352 | Marriage & Family Therapist | Pittsburg, CA | 2011 |
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).