Providers Jim Simpson, CRNA to Kenneth Simpson, R.PH.
300 individual NPIs in the federal registry, part 20,268 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. 85 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Jim Simpson, CRNA | 1609834126 | Certified Registered Nurse Anesthetist | Frisco, TX | 2006 |
| Jimmie Simpson | 1710422001 | Marriage & Family Therapist | Los Angeles, CA | 2016 |
| Joan Simpson, LPN | 1235473810 | Licensed Practical Nurse | Bronx, NY | 2012 |
| Joan Simpson, RN | 1306083183 | School Registered Nurse | Lewes, DE | 2009 |
| Joan Simpson | 1598576415 | Home Health Aide | Omaha, NE | 2025 |
| Joan Simpson, LMT | 1780385617 | Massage Therapist | Gardnerville, NV | 2023 |
| Joan Simpson, PT | 1972799716 | Physical Therapist | Kensington, MD | 2007 |
| Joann Simpson, NP | 1164410171 | Family Nurse Practitioner | Bartlesville, OK | 2005 |
| Joann Simpson, LMSW | 1407124597 | Counseling Psychologist | Houston, TX | 2011 |
| Joann Simpson, NP | 1801803028 | Nurse Practitioner | Amityville, NY | 2006 |
| Joanne Simpson, MD, MPH | 1184746455 | Dermatology Physician | Salisbury, NC | 2007 |
| Joanne Simpson, LMFT-A | 1740759075 | Marriage & Family Therapist | The Woodlands, TX | 2018 |
| Jocelyn Simpson, LMT | 1962914515 | Massage Therapist | Livonia, MI | 2017 |
| Jodi Simpson, N.P | 1275589129 | Psychiatric/Mental Health Nurse Practitioner | Brooklyn, NY | 2006 |
| Jody Simpson, LPC | 1225181894 | Counselor | Bartlesville, OK | 2007 |
| Jody Simpson, MS, CCC-SLP | 1437394277 | Speech-Language Pathologist | Omaha, NE | 2008 |
| Jody Simpson, PTA | 1881849859 | Physical Therapy Assistant | Franklin, NH | 2008 |
| Joe Simpson | 1295726644 | Dentist | Lenoir City, TN | 2005 |
| Joe Simpson, MD | 1366522708 | Obstetrics & Gynecology Physician | Miami, FL | 2006 |
| Joel Simpson, LCSW, LAC | 1811392384 | Clinical Social Worker | Crow Agency, MT | 2014 |
| Joelle Simpson, M.D. | 1689723421 | Pediatrics Physician | Washington, DC | 2007 |
| John Simpson, CRNA | 1013348705 | Certified Registered Nurse Anesthetist | Murfreesboro, TN | 2013 |
| John Simpson, RPH | 1184145203 | Pharmacist | Arab, AL | 2017 |
| John Simpson, MA, LLP | 1205247830 | Mental Health Counselor | Ypsilanti, MI | 2014 |
| John Simpson, M.D. | 1205896073 | Family Medicine Physician | Asheboro, NC | 2006 |
| John Simpson, M.D. | 1356320832 | Family Medicine Physician | Sheridan, AR | 2006 |
| John Simpson, M.D. | 1356395263 | Cardiovascular Disease Physician | Redwood City, CA | 2006 |
| John Simpson, RPH | 1366735789 | Pharmacist | Taylorsville, UT | 2011 |
| John Simpson, BS | 1366825580 | Pharmacist | New Castle, DE | 2015 |
| John Simpson, M.D. | 1376627679 | Otolaryngology Physician | Fort Defiance, AZ | 2006 |
| John Simpson, MD | 1417049347 | Allergy & Immunology Physician | Falls Church, VA | 2006 |
| John Simpson, M.D., D.D.S, F.A.C.S | 1427050467 | Otolaryngology Physician | Athens, GA | 2005 |
| John Simpson, DDS | 1427097963 | General Practice Dentistry | Rupert, ID | 2006 |
| John Simpson, LAT, ATC, CSCS | 1447380803 | Athletic Trainer | Stephenville, TX | 2007 |
| John Simpson, OD | 1518043132 | Optometrist | Lexington, KY | 2006 |
| John Simpson, MD | 1558313320 | Orthopaedic Surgery of the Spine Physician | Richmond, VA | 2006 |
| John Simpson | 1568954402 | Case Manager/Care Coordinator | Banning, CA | 2018 |
| John Simpson | 1619857745 | Clinical Social Worker | Hickory, NC | 2025 |
| John Simpson, L-HIS | 1801091145 | Specialist | Lufkin, TX | 2007 |
| John Simpson, MD | 1801722913 | Obstetrics & Gynecology Physician | Austin, TX | 2026 |
| John Simpson | 1811462690 | Case Manager/Care Coordinator | Akron, OH | 2018 |
| John Simpson, DMD | 1871163238 | General Practice Dentistry | Atlanta, GA | 2021 |
| John Simpson, M.D. | 1871512558 | Pediatrics Physician | Birmingham, AL | 2006 |
| John Simpson | 1891307559 | Case Manager/Care Coordinator | Cheyenne, WY | 2020 |
| John Simpson, DDS | 1972760890 | General Practice Dentistry | Charleston, WV | 2008 |
| John Simpson, MD | 1992200869 | Surgical Critical Care Physician | Durham, NC | 2018 |
| Johnathan Simpson, MA | 1043540826 | Professional Counselor | Mansfield Center, CT | 2009 |
| Johnathan Simpson, LCSW | 1871737502 | Clinical Social Worker | Brinkley, AR | 2009 |
| Johnny Simpson, M.D. | 1639285349 | Psychiatry Physician | Baton Rouge, LA | 2006 |
| Joi Simpson, MA, LMFT | 1174835128 | Marriage & Family Therapist | Anoka, MN | 2010 |
| Jolene Simpson, PH.D. | 1205147410 | Psychologist | Renton, WA | 2010 |
| Jollina Simpson, IBCLC | 1437508199 | Health Educator | Las Vegas, NV | 2016 |
| Jon Simpson, MD | 1295815850 | Orthopaedic Surgery Physician | Crossville, TN | 2006 |
| Jon Simpson, D.C. | 1386743193 | Sports Physician Chiropractor | Sylvania, OH | 2006 |
| Jonathan Simpson | 1265323026 | Speech-Language Pathologist | Spokane, WA | 2025 |
| Jonathan Simpson, DPM | 1265833479 | Primary Podiatric Medicine Podiatrist | Charlotte, NC | 2014 |
| Jonathan Simpson, DDS | 1295933414 | Pediatric Dentistry | North Platte, NE | 2007 |
| Jonette Simpson | 1467338103 | Personal Care Attendant | Las Vegas, NV | 2025 |
| Joni Simpson, PT | 1578873014 | Physical Therapist | Bellingham, WA | 2010 |
| Joni Simpson, M. ED., L. P. C. | 1720052137 | Professional Counselor | Fairbanks, AK | 2006 |
| Jordan Simpson, M.D. | 1104143957 | Adult Reconstructive Orthopaedic Surgery Physician | Lubbock, TX | 2010 |
| Jordan Simpson, DO | 1114346749 | Neonatal-Perinatal Medicine Physician | Idaho Falls, ID | 2014 |
| Jordan Simpson | 1154889491 | Behavior Analyst | Bellevue, WA | 2019 |
| Jordan Simpson | 1225706930 | Dentist | Covington, GA | 2021 |
| Jordan Simpson | 1295583813 | Community Health Worker | Stockton, CA | 2024 |
| Jordan Simpson | 1366615858 | Adult Companion | Portland, OR | 2008 |
| Jordan Simpson | 1477144327 | Physical Therapy Assistant | Broken Arrow, OK | 2021 |
| Jordan Simpson, PTA | 1487387411 | Physical Therapy Assistant | Sherman, TX | 2022 |
| Jordan Simpson, CRNA | 1497023444 | Certified Registered Nurse Anesthetist | Nashville, TN | 2011 |
| Jordan Simpson, LAC | 1720815285 | Professional Counselor | West Caldwell, NJ | 2024 |
| Jordan Simpson, DO | 1871158840 | General Practice Physician | Rome, GA | 2019 |
| Jordan Simpson, LCSW | 1881499317 | Clinical Social Worker | Craig, CO | 2025 |
| Jordan Simpson | 1902315450 | Student in an Organized Health Care Education/Training Program | Alliance, OH | 2017 |
| Jordan Simpson, M.D. | 1942590963 | Internal Medicine Physician | Granite Falls, NC | 2011 |
| Jordyn Simpson | 1043136245 | Behavior Technician | Durham, NC | 2026 |
| Jorgette Simpson, LMT | 1194330068 | Massage Therapist | Arlington, TX | 2020 |
| Joseph Simpson, BSHIS | 1013263383 | Hearing Instrument Specialist | Knoxville, TN | 2012 |
| Joseph Simpson | 1083283493 | Case Manager/Care Coordinator | Jonesboro, AR | 2021 |
| Joseph Simpson, CRNA | 1306394044 | Certified Registered Nurse Anesthetist | Nashville, TN | 2016 |
| Joseph Simpson, M.D. | 1326045436 | Anesthesiology Physician | New Hyde Park, NY | 2005 |
| Joseph Simpson, M.D. | 1477554632 | Hospice and Palliative Medicine (Anesthesiology) Physician | Knoxville, TN | 2005 |
| Joseph Simpson, MD | 1487617510 | Surgery Physician | Concord, NC | 2006 |
| Joseph Simpson, MS, CCC-A | 1558302224 | Audiologist | Spokane, WA | 2006 |
| Joseph Simpson, M.D. | 1558399378 | Specialist | San Antonio, TX | 2006 |
| Joseph Simpson, CRNP | 1568713055 | Nurse Practitioner | Pittsburgh, PA | 2012 |
| Joseph Simpson, MD | 1922112200 | Psychiatry Physician | Reno, NV | 2006 |
| Joseph Simpson, PHARMD | 1982200366 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Pittsburgh, PA | 2020 |
| Josephine Simpson, APN | 1013377464 | Family Nurse Practitioner | Scotch Plains, NJ | 2016 |
| Josephine Simpson | 1194042101 | Contractor | Paia, HI | 2010 |
| Josephine Simpson | 1710850714 | Homemaker | Willoughby, OH | 2025 |
| Josette Simpson, CRNA | 1801864525 | Certified Registered Nurse Anesthetist | East Point, GA | 2006 |
| Josh Simpson, D.M.D. | 1407978752 | Dentist | McComb, MS | 2007 |
| Joshua Simpson, P.A. | 1023397999 | Physician Assistant | Austin, TX | 2011 |
| Joshua Simpson, DC | 1043946742 | Chiropractor | Laramie, WY | 2022 |
| Joshua Simpson, RN | 1073817540 | Registered Nurse | San Pedro, CA | 2010 |
| Joshua Simpson | 1104350792 | Clinical Social Worker | Walnut, CA | 2017 |
| Joshua Simpson | 1164030318 | Clinical Social Worker | Irwindale, CA | 2020 |
| Joshua Simpson, LMSW | 1184417131 | Addiction (Substance Use Disorder) Counselor | Cleveland, TN | 2025 |
| Joshua Simpson | 1194222802 | Pharmacist | Jenison, MI | 2018 |
| Joshua Simpson, M.D. | 1225355316 | Surgical Critical Care Physician | Greenville, SC | 2010 |
| Joshua Simpson, DMD | 1245767250 | General Practice Dentistry | Oconto, WI | 2017 |
| Joshua Simpson | 1285947481 | Licensed Psychiatric Technician | San Luis Obispo, CA | 2010 |
| Joshua Simpson, LCMHC-A, APC | 1316751613 | Mental Health Counselor | Greensboro, NC | 2025 |
| Joshua Simpson | 1720916372 | Intermediate Emergency Medical Technician | Raymond, ME | 2026 |
| Joshua Simpson, LISAC | 1821625740 | Addiction (Substance Use Disorder) Counselor | Gilbert, AZ | 2020 |
| Josiah Simpson, B.A., RBT | 1295471498 | Behavior Technician | Rohnert Park, CA | 2022 |
| Josie Simpson, LCSW | 1356457832 | Clinical Social Worker | Little Rock, AR | 2006 |
| Jovonne Simpson | 1376970251 | Clinical Social Worker | Sacramento, CA | 2013 |
| Joy Simpson, M.S., CCC-SLP | 1134427198 | Speech-Language Pathologist | Little Rock, AR | 2011 |
| Joy Simpson, MA LPC | 1992865398 | Professional Counselor | Denver, CO | 2006 |
| Joyce Simpson, D.C. | 1003209149 | Chiropractor | Columbia, MO | 2015 |
| Joyce Simpson, MD | 1205831559 | Anatomic Pathology & Clinical Pathology Physician | Toledo, OH | 2005 |
| Joyce Simpson, MA MFT | 1275623407 | Marriage & Family Therapist | Santa Ana, CA | 2006 |
| Joyceline Simpson | 1275003451 | Behavior Technician | Novi, MI | 2018 |
| Juana Simpson | 1598645947 | Home Health Aide | Livonia, MI | 2025 |
| Juanella Simpson | 1396395455 | Registered Nurse | Brooklyn, NY | 2019 |
| Juanita Simpson, L.M.T | 1023480332 | Massage Therapist | Leesburg, FL | 2015 |
| Juanita Simpson, R.D.H. | 1598822744 | Dental Hygienist | Warm Springs, OR | 2007 |
| Juanita Simpson, AGACNP- BC, CRNP | 1780152819 | Acute Care Nurse Practitioner | Baltimore, MD | 2018 |
| Judy Simpson, LICSW | 1073384558 | Clinical Social Worker | White Earth, MN | 2024 |
| Judy Simpson, B.S. | 1639350507 | Specialist | Guntersville, AL | 2007 |
| Judy Simpson, OTR | 1750421913 | Occupational Therapist | Coraopolis, PA | 2007 |
| Judy Simpson, M.S.,LPC | 1861676751 | Counselor | Robertsdale, AL | 2007 |
| Julia Simpson, PTA | 1003935834 | Physical Therapy Assistant | Seneca, PA | 2007 |
| Julia Simpson, MHP, MT-BC | 1578504247 | Music Therapist | Martinsburg, WV | 2006 |
| Julia Simpson, PH.D. | 1740501824 | Clinical Psychologist | Orem, UT | 2010 |
| Julia Simpson | 1942585724 | Pharmacist | Indianapolis, IN | 2011 |
| Julia Simpson, PA-C | 1982384434 | Physician Assistant | Houston, TX | 2023 |
| Juliana Simpson | 1356632616 | Community Health Worker | San Francisco, CA | 2011 |
| Julianna Simpson, COTA/L | 1912555483 | Occupational Therapy Assistant | Hickory, NC | 2019 |
| Julianne Simpson, DPT | 1942615380 | Physical Therapist | Seattle, WA | 2014 |
| Julie Simpson | 1053869057 | Social Worker | New Richmond, WI | 2016 |
| Julie Simpson | 1164167631 | Physical Rehabilitation Occupational Therapist | Grove City, PA | 2022 |
| Julie Simpson, DNP, RN | 1598282774 | Family Nurse Practitioner | Columbus, IN | 2017 |
| Julie Simpson, LCSW, PPSC | 1689262776 | Clinical Social Worker | Arcata, CA | 2021 |
| Julie Simpson | 1770363897 | Behavior Technician | Youngstown, OH | 2023 |
| Julie Simpson, DPT | 1770781536 | Physical Therapist | Howell, MI | 2007 |
| Julie Simpson | 1851825038 | Pharmacist | Lake Jackson, TX | 2017 |
| Julie Simpson | 1881873974 | Registered Nurse | Knoxville, TN | 2007 |
| Justin Simpson | 1184317992 | General Practice Dentistry | Las Vegas, NV | 2023 |
| Justin Simpson, ATC | 1194752816 | Athletic Trainer | Winnsboro, SC | 2006 |
| Justin Simpson | 1376401000 | Behavior Technician | Statesboro, GA | 2026 |
| Justin Simpson, PSY.D. | 1407153471 | Clinical Psychologist | Jacksonville Beach, FL | 2011 |
| Justin Simpson, D.O. | 1447494463 | Emergency Medicine Physician | Saint Joseph, MO | 2009 |
| Justin Simpson | 1558929810 | Addiction (Substance Use Disorder) Counselor | Columbia, SC | 2019 |
| Justin Simpson, FNP | 1730891771 | Family Nurse Practitioner | Tuscaloosa, AL | 2022 |
| Justin Simpson | 1912762972 | Behavior Technician | Farmington Hills, MI | 2024 |
| Justin Simpson, FNP-BC | 1972300069 | Family Nurse Practitioner | Odessa, TX | 2025 |
| Justine Simpson | 1609201037 | Clinical Psychologist | Fairfax, VA | 2013 |
| Justine Simpson, ED.D, LPCC-S | 1871866046 | Mental Health Counselor | Lancaster, OH | 2012 |
| K'Lynn Simpson | 1922473073 | Massage Therapist | Tigard, OR | 2015 |
| Kacie Simpson | 1053529370 | Marriage & Family Therapist | Fresno, CA | 2007 |
| Kacie Simpson | 1336678267 | Physical Therapist | Dallas, TX | 2017 |
| Kade Simpson | 1508447087 | Internal Medicine Physician | Fort Walton Beach, FL | 2021 |
| Kadian Simpson | 1245101906 | Mental Health Counselor | Brooklyn, NY | 2025 |
| Kaila Simpson | 1376478644 | Student in an Organized Health Care Education/Training Program | Cleveland, OH | 2026 |
| Kailee Simpson, MD | 1417703679 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2024 |
| Kailey Simpson, NP-C | 1134804859 | Family Nurse Practitioner | Denver, CO | 2023 |
| Kaitland Simpson | 1780330191 | Social Worker | Bellevue, NE | 2022 |
| Kaitlin Simpson, MS, OTR/L | 1447601422 | Occupational Therapist | Worcester, MA | 2016 |
| Kaitlyn Simpson, LCSW | 1194151001 | Clinical Social Worker | Yonkers, NY | 2013 |
| Kaitlyn Simpson | 1295242071 | Social Worker | Kentwood, LA | 2018 |
| Kaitlyn Simpson, DO | 1497311856 | Family Medicine Physician | Middletown, NY | 2019 |
| Kaitlyn Simpson, MD | 1538629647 | Pediatrics Physician | Salt Lake City, UT | 2019 |
| Kaitlyn Simpson | 1760232326 | Student in an Organized Health Care Education/Training Program | Cleveland, OH | 2024 |
| Kaja Simpson, SLP | 1770784233 | Speech-Language Pathologist | Stephenville, TX | 2007 |
| Kalie Simpson, FNP-C | 1912539826 | Family Nurse Practitioner | Sweetwater, TX | 2020 |
| Kallee Simpson | 1386996023 | Social Worker | Layton, UT | 2012 |
| Kami Simpson | 1821820929 | Community Health Worker | Owosso, MI | 2024 |
| Kami Simpson | 1942850961 | Hearing Instrument Specialist | Asheboro, NC | 2019 |
| Kamryn Simpson, PA-C | 1477335412 | Surgical Physician Assistant | Dallas, TX | 2023 |
| Kara Simpson, LCSW | 1003417312 | Clinical Social Worker | Canton, IL | 2020 |
| Kara Simpson, MS, CGC | 1114521176 | Genetic Counselor (M.S.) | Washington, DC | 2020 |
| Kara Simpson, LCSW-R | 1194093633 | Clinical Social Worker | Bronx, NY | 2011 |
| Kara Simpson, CNM | 1346939212 | Advanced Practice Midwife | Huntersville, NC | 2023 |
| Kara Simpson | 1386200665 | Licensed Practical Nurse | Dayton, OH | 2019 |
| Kara Simpson, CRNA | 1669856407 | Certified Registered Nurse Anesthetist | New Orleans, LA | 2015 |
| Kareen Simpson, M.D. | 1780663963 | Nephrology Physician | Chicago, IL | 2006 |
| Karen Simpson | 1053767715 | Massage Therapist | Farmingdale, NY | 2016 |
| Karen Simpson, MD | 1316019128 | Obstetrics & Gynecology Physician | Pleasanton, CA | 2006 |
| Karen Simpson, RN | 1356712764 | Registered Nurse | Philadelphia, PA | 2015 |
| Karen Simpson, MD | 1366605412 | Pediatric Adolescent Medicine Physician | Baton Rouge, LA | 2008 |
| Karen Simpson, MD | 1376544189 | Dermatology Physician | Brea, CA | 2005 |
| Karen Simpson, PA-C | 1477607893 | Physician Assistant | Jacksonville, FL | 2007 |
| Karen Simpson | 1487000451 | Student in an Organized Health Care Education/Training Program | Grand Rapids, MI | 2016 |
| Karen Simpson, OTR/L | 1538396205 | Occupational Therapist | Canton, NY | 2009 |
| Karen Simpson | 1598252553 | Registered Dietitian | Middle Island, NY | 2018 |
| Karen Simpson, MD | 1831264373 | Anatomic Pathology & Clinical Pathology Physician | Opelousas, LA | 2006 |
| Karen Simpson, LCSW-C | 1902199722 | Clinical Social Worker | Fort George G Meade, MD | 2011 |
| Kari Simpson, M.S. CCC-SLP | 1093435257 | Speech-Language Pathologist | Rowlett, TX | 2022 |
| Kari Simpson, MSN, APRN, FNP-BC | 1184331944 | Primary Care Nurse Practitioner | Lakeland, FL | 2022 |
| Karla Simpson, PHARMD | 1245577881 | Pharmacist | Seminole, FL | 2013 |
| Karlette Simpson, CST | 1033839774 | Surgical Assistant | Sugar Land, TX | 2022 |
| Karli Simpson, RN | 1427810605 | Registered Nurse | Scottsdale, AZ | 2024 |
| Karlie Simpson, PHARMD | 1346120706 | Pharmacist | Tamarac, FL | 2025 |
| Karly Simpson | 1477427524 | Doula | Marcellus, MI | 2025 |
| Karon Simpson, MD | 1164465274 | Nephrology Physician | Austin, TX | 2006 |
| Karry Simpson, PT | 1437277134 | Physical Therapist | Stroud, OK | 2007 |
| Karynne Simpson | 1295376002 | Behavior Technician | St George, UT | 2019 |
| Kaseem Simpson | 1225870678 | Behavior Technician | Whitestone, NY | 2024 |
| Kasey Simpson, PT, DC | 1114947215 | Chiropractor | Cushing, OK | 2006 |
| Kassandra Simpson | 1972345825 | Behavior Technician | Louisville, KY | 2024 |
| Kate Simpson | 1255117115 | Speech-Language Pathologist | Dallas, TX | 2023 |
| Kate Simpson, RN | 1861129439 | Registered Nurse | Providence, RI | 2022 |
| Kate Noble Simpson, M.S., CCC-SLP | 1033994827 | Speech-Language Pathologist | Huntsville, AL | 2023 |
| Katelynn Simpson | 1588310486 | Athletic Trainer | Dawsonville, GA | 2022 |
| Katelynne Simpson, PA-C | 1073151965 | Physician Assistant | High Point, NC | 2019 |
| Katharine Simpson, LPCC | 1417775289 | Mental Health Counselor | Minneapolis, MN | 2024 |
| Katherine Simpson | 1003568312 | Case Manager/Care Coordinator | Antlers, OK | 2022 |
| Katherine Simpson | 1003587957 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2021 |
| Katherine Simpson, NP | 1073073029 | Family Nurse Practitioner | Katy, TX | 2019 |
| Katherine Simpson, M.A., CCC-SLP | 1093264533 | Speech-Language Pathologist | West Chester, OH | 2016 |
| Katherine Simpson, PA-C | 1114534161 | Physician Assistant | Kettering, OH | 2020 |
| Katherine Simpson | 1306361704 | Social Worker | Bedford Heights, OH | 2017 |
| Katherine Simpson | 1568210714 | Community Health Worker | Athens, OH | 2024 |
| Katherine Simpson, MA, MED, LMHC | 1659915338 | Mental Health Counselor | Quincy, MA | 2019 |
| Katherine Simpson, CSW | 1912567553 | Clinical Social Worker | Riverton, UT | 2019 |
| Kathi Simpson, ARNP | 1639217326 | Pediatric Nurse Practitioner | Lexington, KY | 2007 |
| Kathleen Simpson, CNS | 1093952137 | Child & Adolescent Psychiatric/Mental Health Clinical Nurse Specialist | Fergus Falls, MN | 2009 |
| Kathleen Simpson, MS, CCC-SLP | 1194123539 | Speech-Language Pathologist | The Woodlands, TX | 2014 |
| Kathleen Simpson, LCSW | 1285811786 | Clinical Social Worker | Alexandria, VA | 2008 |
| Kathleen Simpson, MA, CCC-SLP | 1467965772 | Speech-Language Pathologist | Evergreen, CO | 2017 |
| Kathleen Simpson, M.S. | 1538347141 | Mental Health Counselor | Rochester, NY | 2008 |
| Kathleen Simpson, PT, CHT | 1568964377 | Physical Therapist | Wyoming, MI | 2018 |
| Kathleen Simpson, MD | 1609040443 | Pediatric Cardiology Physician | Aurora, CO | 2008 |
| Kathleen Simpson, LSW | 1710423322 | Social Worker | Greenwood, IN | 2017 |
| Kathleen Simpson | 1972072759 | Pharmacist | Folsom, CA | 2018 |
| Kathryn Simpson, MD | 1023274305 | Pediatrics Physician | Jbsa Lackland, TX | 2008 |
| Kathryn Simpson, RN, BSN | 1023567443 | Registered Nurse | Columbia, MD | 2016 |
| Kathryn Simpson | 1104773878 | Pharmacist | Dover, DE | 2026 |
| Kathryn Simpson | 1396521712 | Professional Counselor | Katy, TX | 2023 |
| Kathryn Simpson | 1487541355 | Pediatric Occupational Therapist | Butler, PA | 2025 |
| Kathryn Simpson | 1538639109 | Behavior Analyst | Hoffman Estates, IL | 2018 |
| Kathryn Simpson, C-NP | 1558861963 | Nurse Practitioner | Boston, MA | 2018 |
| Kathryn Simpson, LPC, MHSP | 1689465916 | Professional Counselor | Johnson City, TN | 2025 |
| Kathryn Simpson | 1750881272 | Physician Assistant | Royal Oak, MI | 2018 |
| Kathryn Simpson | 1760067730 | Clinical Social Worker | Lees Summit, MO | 2021 |
| Kathy Simpson, MSN, NP | 1770723249 | Adult Health Nurse Practitioner | Winston Salem, NC | 2009 |
| Katie Simpson | 1275966517 | Speech-Language Pathologist | Chicago, IL | 2013 |
| Katie Simpson, PHARMD | 1285507012 | Pharmacist | Saint Louis, MO | 2025 |
| Katie Simpson, FNP | 1336805662 | Family Nurse Practitioner | Middlesboro, KY | 2021 |
| Katie Simpson, PA | 1922373760 | Physician Assistant | Auburn, NY | 2012 |
| Katrina Simpson, LPC | 1275836652 | Professional Counselor | Macon, GA | 2010 |
| Katrina Simpson, RN | 1548644867 | Community Health Registered Nurse | Prineville, OR | 2015 |
| Kavitha Simpson, DO | 1851554463 | Family Medicine Physician | Ventura, CA | 2008 |
| Kavona Simpson | 1093511941 | Home Health Aide | Omaha, NE | 2025 |
| Kay Simpson, OT | 1932549995 | Occupational Therapist | Dallas, TX | 2013 |
| Kayla Simpson, RN | 1437514312 | Community Health Registered Nurse | Mountain City, TN | 2015 |
| Kayla Simpson | 1457067779 | Behavior Technician | Farmington Hills, MI | 2023 |
| Kayla Simpson, PA-C | 1790126613 | Physician Assistant | Harrisburg, PA | 2013 |
| Kayla Simpson, RD, ATC | 1821963216 | Registered Dietitian | Midland Park, NJ | 2025 |
| Kayla Simpson | 1861200636 | Other Specialist/Technologist | San Diego, CA | 2024 |
| Kaylee Simpson | 1215854567 | Behavior Technician | Virginia Beach, VA | 2026 |
| Kaylee Simpson | 1225745235 | Family Nurse Practitioner | Pittsburgh, PA | 2022 |
| Kaylee Simpson | 1508467978 | Behavior Technician | Fresno, CA | 2020 |
| Kayleen Simpson | 1023629466 | Counselor | Moses Lake, WA | 2020 |
| Kaysha Simpson, HIS | 1154146892 | Hearing Instrument Specialist | Bloomington, IL | 2024 |
| Kaysie Simpson, LPN | 1538822523 | Licensed Practical Nurse | Claremore, OK | 2021 |
| Keeley Simpson | 1871324434 | Assistant Behavior Analyst | Stigler, OK | 2024 |
| Keena Simpson, CRNA | 1992145171 | Certified Registered Nurse Anesthetist | Louisville, KY | 2013 |
| Keisha Simpson, DSW, LCSW | 1932518347 | Clinical Social Worker | New Orleans, LA | 2014 |
| Keith Simpson | 1043804073 | Driver | Tampa, FL | 2021 |
| Keith Simpson | 1245888957 | Attendant Care Provider | Mechanicville, NY | 2019 |
| Keith Simpson, DMD | 1386614246 | Dentist | Yazoo City, MS | 2006 |
| Keli Simpson, CRNP | 1639692148 | Primary Care Nurse Practitioner | Punxsutawney, PA | 2017 |
| Kelley Simpson, PA C | 1053388744 | Medical Physician Assistant | Mechanicburg, PA | 2006 |
| Kelley Simpson, RN | 1841078680 | Addiction (Substance Use Disorder) Registered Nurse | Circleville, OH | 2023 |
| Kelli Simpson, R.N. | 1528442183 | Registered Nurse | Oklahoma City, OK | 2015 |
| Kelli Simpson, RN | 1548525702 | Registered Nurse | Lima, OH | 2012 |
| Kelli Simpson, LPC | 1972788248 | Mental Health Counselor | Ada, OK | 2008 |
| Kellie Simpson, MS NP | 1750358594 | Nurse Practitioner | Fullerton, CA | 2006 |
| Kelly Simpson, M.S. | 1194011981 | Student in an Organized Health Care Education/Training Program | Ponca City, OK | 2011 |
| Kelly Simpson, COTA | 1245368745 | Occupational Therapy Assistant | San Diego, CA | 2007 |
| Kelly Simpson, MOT, OTR/L | 1275561672 | Occupational Therapist | Gainesville, FL | 2006 |
| Kelly Simpson, MD | 1356387872 | Allergy & Immunology Physician | Cedar Park, TX | 2006 |
| Kelly Simpson, HADS1014 | 1376002329 | Hearing Instrument Specialist | Peachtree City, GA | 2019 |
| Kelly Simpson | 1487377297 | Clinical Social Worker | Tempe, AZ | 2022 |
| Kelly Simpson, CRNA | 1497732903 | Certified Registered Nurse Anesthetist | Tacoma, WA | 2005 |
| Kelly Simpson, LCSW | 1669723243 | Social Worker | Philadelphia, PA | 2012 |
| Kelly Simpson | 1881092369 | Behavior Analyst | Danvers, MA | 2014 |
| Kelly Simpson, BCBA | 1912516949 | Behavior Analyst | Plainsboro, NJ | 2020 |
| Kelly Simpson | 1922999341 | Behavior Technician | Columbia, MD | 2025 |
| Kelly Simpson, NP | 1982318002 | Nurse Practitioner | Goshen, IN | 2023 |
| Kelly Simpson, PMHNP | 1982904777 | Psychiatric/Mental Health Nurse Practitioner | Glasgow, KY | 2010 |
| Kelly Simpson, CRNA | 1982948808 | Certified Registered Nurse Anesthetist | Poughkeepsie, NY | 2012 |
| Kelsey Simpson | 1043812498 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Camden, AR | 2020 |
| Kelsey Simpson, MSW | 1124818166 | Behavior Technician | Baltimore, MD | 2025 |
| Kelsi Simpson, M.S. CF-SLP | 1275018368 | Speech-Language Pathologist | Elkhorn, NE | 2018 |
| Kelsi Simpson, CRNA | 1629637442 | Certified Registered Nurse Anesthetist | Lexington, KY | 2019 |
| Kelsi Simpson | 1962075416 | Counselor | Carbondale, IL | 2021 |
| Kelsy Simpson, OD | 1336759554 | Optometrist | Tulsa, OK | 2020 |
| Kenall Simpson, LCSW | 1306867916 | Clinical Social Worker | Ogden, UT | 2006 |
| Kendra Simpson, CRNA | 1124047576 | Certified Registered Nurse Anesthetist | Camden, NJ | 2006 |
| Kendra Simpson, M.ED., MHP, LMHC | 1376843664 | Mental Health Counselor | Richland, WA | 2010 |
| Kendra Simpson | 1699358275 | Licensed Practical Nurse | Bronx, NY | 2021 |
| Kendra Simpson, M.D. | 1811282643 | Pediatrics Physician | Forest, VA | 2011 |
| Kendra Simpson, LCSW, LISAC | 1922272798 | Clinical Social Worker | Phoenix, AZ | 2008 |
| Kenna Simpson, RN | 1417834581 | Oncology Registered Nurse | Pueblo, CO | 2025 |
| Kenneth Simpson | 1093352700 | Marriage & Family Therapist | San Francisco, CA | 2019 |
| Kenneth Simpson, R.PH. | 1447736624 | Pharmacist | Saint Louis, MO | 2018 |
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).