Providers Natalie Simpson, ASW to Ryan Simpson
300 individual NPIs in the federal registry, part 20,271 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. 102 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Natalie Simpson, ASW | 1245939883 | Clinical Social Worker | Santa Cruz, CA | 2023 |
| Natalie Simpson, LPN | 1467780056 | Licensed Practical Nurse | Logan, OH | 2009 |
| Natalie Simpson, PA-C | 1619724812 | Physician Assistant | Chicago, IL | 2024 |
| Natalie Simpson | 1649197658 | Student in an Organized Health Care Education/Training Program | New York, NY | 2026 |
| Natasha Simpson | 1518626928 | Case Manager/Care Coordinator | Lawton, OK | 2021 |
| Nathan Simpson | 1376154989 | Physician Assistant | Mobile, AL | 2020 |
| Neal Simpson, M.D. | 1598873424 | Family Medicine Physician | Temecula, CA | 2006 |
| Neil Simpson, LCSW | 1336203629 | Clinical Social Worker | St George, UT | 2006 |
| Nicholas Simpson, C-AA | 1053020727 | Anesthesiologist Assistant | Saint Louis, MO | 2022 |
| Nicholas Simpson, MD | 1083903447 | Emergency Medicine Physician | Minneapolis, MN | 2011 |
| Nicholas Simpson | 1174174775 | Family Nurse Practitioner | St Louis, MO | 2019 |
| Nicholas Simpson, LPC | 1477943322 | Professional Counselor | Broomfield, CO | 2015 |
| Nicholas Simpson | 1497217335 | Anesthesiologist Assistant | Grand Rapids, MI | 2019 |
| Nicholas Simpson, PSYD | 1699168500 | Clinical Psychologist | Covington, KY | 2015 |
| Nicholas Simpson, DPT | 1932927456 | Physical Therapist | Carlisle, IA | 2024 |
| Nichole Simpson, LLMSW | 1568834083 | Clinical Social Worker | Holland, MI | 2015 |
| Nichole Simpson, RN | 1619224052 | Medical-Surgical Registered Nurse | Roseburg, OR | 2012 |
| Nicklas Simpson | 1134958192 | Pharmacist | Boise, ID | 2024 |
| Nicklis Simpson, DMD | 1043218373 | General Practice Dentistry | McMinnville, OR | 2005 |
| Nickolas Simpson, PA-C | 1750921862 | Surgical Physician Assistant | Union City, TN | 2020 |
| Nicole Simpson, M.S. | 1073052593 | Mental Health Counselor | Frederick, CO | 2017 |
| Nicole Simpson, MD | 1205938230 | Internal Medicine Physician | Norwich, CT | 2006 |
| Nicole Simpson, PHARM.D | 1366594236 | Pharmacist | Janesville, WI | 2007 |
| Nicole Simpson, M.D | 1497798904 | Gastroenterology Physician | Mountain View, CA | 2006 |
| Nicole Simpson | 1558044917 | School Registered Nurse | Long Island City, NY | 2023 |
| Nicole Simpson, PHARMD | 1700228111 | Pharmacist | Overland Park, KS | 2013 |
| Nicole Simpson | 1710810684 | Behavior Technician | Fairfield, CA | 2026 |
| Nicole Simpson | 1720430549 | Clinical Social Worker | Kalamazoo, MI | 2016 |
| Nicole Simpson, LMSW | 1760191142 | Social Worker | New York, NY | 2022 |
| Nicole Simpson, ARNP | 1760785505 | Advanced Practice Midwife | Fort Worth, TX | 2010 |
| Nicole Simpson, M.D. | 1891717666 | Diagnostic Radiology Physician | Covington, GA | 2006 |
| Nicole Simpson, MD | 1932151412 | Anesthesiology Physician | Reading, PA | 2006 |
| Nicole Simpson, N.P. | 1962391482 | Family Nurse Practitioner | South Beloit, IL | 2025 |
| Nicole Simpson, PA | 1972107431 | Physician Assistant | Spokane, WA | 2020 |
| Nikkia Simpson, PMHNP | 1265364111 | Psychiatric/Mental Health Nurse Practitioner | Stoughton, MA | 2026 |
| Nikkilee Simpson, PSA | 1891660387 | Peer Specialist | Wasilla, AK | 2025 |
| Niuris Simpson | 1477327427 | Behavior Technician | Tampa, FL | 2023 |
| Noah Simpson, RPH | 1073052957 | Pharmacist | Carrboro, NC | 2017 |
| Noah Simpson | 1518883719 | Community Health Worker | Akron, OH | 2026 |
| Noelle Simpson | 1316522709 | Student in an Organized Health Care Education/Training Program | Commerce, CA | 2021 |
| Nola Simpson, LCMHC | 1740897099 | Mental Health Counselor | Raleigh, NC | 2020 |
| Norah Simpson, PHD | 1821331208 | Clinical Psychologist | Stanford, CA | 2013 |
| Noriko Simpson, M.S. CCC-SLP | 1629320056 | Speech-Language Pathologist | Clovis, CA | 2012 |
| Norma Simpson, CNM | 1336128438 | Advanced Practice Midwife | Immokalee, FL | 2006 |
| Norma Simpson | 1447908199 | Lay Midwife | Clay, KY | 2022 |
| Norma Simpson, BSN, RN, CDE | 1720567845 | Diabetes Educator Registered Nurse | Alexandria, LA | 2018 |
| Nova Simpson, PHARM.D. | 1467892596 | Pediatric Pharmacist | New Haven, CT | 2013 |
| Novia Simpson, REGISTERED NURSE | 1689434854 | Home Health Registered Nurse | West Palm Beach, FL | 2024 |
| Nyla Simpson | 1235934928 | Behavior Technician | Saint Louis, MO | 2025 |
| Oliver Simpson | 1558411033 | General Practice Dentistry | Houston, TX | 2007 |
| Olivia Simpson | 1083123988 | Student in an Organized Health Care Education/Training Program | Northridge, CA | 2017 |
| Olivia Simpson, MD | 1205366564 | Geriatric Medicine (Family Medicine) Physician | Waterville, ME | 2017 |
| Olivia Simpson, OTR/L | 1235738147 | Occupational Therapist | Bardstown, KY | 2020 |
| Olivia Simpson, OTR/L | 1376250621 | Pediatric Occupational Therapist | Lexington, KY | 2022 |
| Olivia Simpson, LCSW | 1386211860 | Clinical Social Worker | Winston Salem, NC | 2021 |
| Olivia Simpson | 1437714458 | Behavior Technician | Farmington Hills, MI | 2019 |
| Olivia Simpson, NP | 1497214654 | Reproductive Endocrinology/Infertility Registered Nurse | Moultrie, GA | 2019 |
| Olivia Simpson | 1649625443 | Pharmacist | Louisville, KY | 2016 |
| Olivia Simpson, PA-C | 1982084950 | Physician Assistant | Escondido, CA | 2015 |
| Olubunmi Simpson, NP-C | 1386999340 | Family Nurse Practitioner | Marietta, GA | 2012 |
| Owen Simpson | 1184398117 | Community Health Worker | Ontario, CA | 2021 |
| P Simpson, MD | 1215917075 | Specialist | Pine Bluff, AR | 2006 |
| Pachase Simpson | 1003415738 | Behavior Technician | Derwood, MD | 2020 |
| Paige Simpson | 1487466694 | Critical Care Medicine Registered Nurse | Cincinnati, OH | 2025 |
| Pamela Simpson, RN, BSN | 1134675796 | School Registered Nurse | Las Cruces, NM | 2016 |
| Pamela Simpson | 1184172553 | Day Training/Habilitation Specialist | Espanola, NM | 2016 |
| Pamela Simpson, L P N | 1326339698 | Licensed Practical Nurse | Cleveland, OH | 2011 |
| Pamela Simpson, PT | 1588078190 | Specialist | Fort Worth, TX | 2014 |
| Pamela Simpson | 1588212963 | Case Manager/Care Coordinator | Houston, TX | 2019 |
| Pamela Simpson | 1598360356 | Homemaker | Martinsburg, WV | 2020 |
| Pamela Simpson, M.D. | 1639217714 | Hematology & Oncology Physician | Easton, MD | 2007 |
| Pamela Simpson | 1730402843 | Occupational Therapy Assistant | East Haven, CT | 2010 |
| Pamela Simpson | 1760012090 | Licensed Practical Nurse | Bridgeport, CT | 2020 |
| Pamela Simpson, CNM, MS | 1821599903 | Midwife | El Centro, CA | 2018 |
| Pamela Simpson | 1922217983 | Mental Health Counselor | Moore, OK | 2007 |
| Pamella Simpson, NP | 1033900766 | Acute Care Nurse Practitioner | Plantation, FL | 2025 |
| Patra Simpson | 1184496622 | Community Health Worker | Prestonsburg, KY | 2023 |
| Patricia Simpson, APRN | 1013436229 | Psychiatric/Mental Health Nurse Practitioner | Bridgeport, CT | 2017 |
| Patricia Simpson, CADC | 1033976683 | Addiction (Substance Use Disorder) Counselor | Boise, ID | 2024 |
| Patricia Simpson, LCPC | 1053620427 | Professional Counselor | Dunkirk, MD | 2010 |
| Patricia Simpson, LCSW | 1093870610 | Mental Health Counselor | Hickory, PA | 2006 |
| Patricia Simpson, PHD, ANP-BC | 1154544898 | Adult Health Nurse Practitioner | San Antonio, TX | 2007 |
| Patricia Simpson | 1396331260 | Personal Care Attendant | Huntington, WV | 2020 |
| Patricia Simpson, RN | 1477744126 | Registered Nurse | Galesburg, IL | 2007 |
| Patricia Simpson, O. D. | 1649274366 | Optometrist | Coal City, IL | 2005 |
| Patricia Simpson, MS OTR/L | 1699026898 | Occupational Therapist | Chatham, NJ | 2012 |
| Patricia Simpson | 1811367048 | Nurse Practitioner | Shubuta, MS | 2015 |
| Patricia Simpson, MD | 1881685105 | Emergency Medicine Physician | San Francisco, CA | 2005 |
| Patricia Simpson, CFNP | 1942248034 | Family Nurse Practitioner | Atlanta, GA | 2006 |
| Patrick Simpson, LPN | 1205013497 | Licensed Practical Nurse | Jonesboro, AR | 2008 |
| Patrick Simpson, P.T. | 1396864526 | Physical Therapist | Nashville, TN | 2007 |
| Patrick Simpson | 1679704118 | Addiction (Substance Use Disorder) Counselor | Detroit, MI | 2009 |
| Patrick Simpson, LPN | 1700120367 | Registered Nurse | Elmont, NY | 2012 |
| Patrick Simpson, M.D. | 1831484591 | Family Medicine Physician | Shoreline, WA | 2011 |
| Patrick Simpson, MD | 1841234887 | Interventional Cardiology Physician | Pinehurst, NC | 2006 |
| Paul Simpson, ED.D. | 1033329479 | Psychologist | Tucson, AZ | 2007 |
| Paul Simpson, DO | 1043530942 | Family Medicine Physician | Three Rivers, MI | 2010 |
| Paul Simpson, M.D. | 1104169978 | Pulmonary Disease Physician | Fullerton, CA | 2013 |
| Paul Simpson, PHARMD | 1437749405 | Pharmacist | Pittsburgh, PA | 2021 |
| Paul Simpson, MD | 1548374093 | Cardiovascular Disease Physician | San Francisco, CA | 2006 |
| Paul Simpson, M.D. | 1700873312 | Internal Medicine Physician | Williamsport, PA | 2005 |
| Paul Simpson, A-GNP-BC | 1770128464 | Adult Health Nurse Practitioner | New York, NY | 2019 |
| Paul Simpson, MBBS | 1942540463 | Student in an Organized Health Care Education/Training Program | Rochester, MN | 2013 |
| Paula Simpson, PMHNP-BC | 1255988879 | Psychiatric/Mental Health Nurse Practitioner | Orchard Park, NY | 2019 |
| Paula Simpson, BA | 1295409498 | Counselor | Ebensburg, PA | 2021 |
| Paula Simpson, OTR | 1417270554 | Occupational Therapist | Merrillville, IN | 2010 |
| Paula Simpson, AGACNP-BC | 1801397062 | Critical Care Medicine Nurse Practitioner | Winston Salem, NC | 2018 |
| Payton Simpson | 1871296889 | Student in an Organized Health Care Education/Training Program | Lexington, KY | 2023 |
| Pedro Simpson, MD | 1780857821 | Psychiatry Physician | Denver, CO | 2008 |
| Peggy Simpson, LPC | 1164774352 | Professional Counselor | Brighton, MI | 2012 |
| Peggy Simpson, MD | 1770749418 | Internal Medicine Physician | Madison, WI | 2008 |
| Perel Simpson | 1356132609 | Behavior Technician | Owings Mills, MD | 2025 |
| Peter Simpson, MD, MPH | 1043499478 | Gastroenterology Physician | Mountain View, CA | 2007 |
| Petrea Simpson, LPC | 1144706722 | Professional Counselor | Washington, DC | 2018 |
| Peyton Simpson, OD | 1093297293 | Optometrist | Fort Leonard Wood, MO | 2018 |
| Phebe Simpson, BSN | 1760775324 | Adult Psychiatric/Mental Health Registered Nurse | Medina, OH | 2011 |
| Philip Simpson, D.C. | 1194803874 | Chiropractor | Prestonsburg, KY | 2006 |
| Philip Simpson | 1720817760 | Marriage & Family Therapist | Louisville, KY | 2024 |
| Phillip Simpson, PHARMD | 1487241550 | Pharmacist | Tell City, IN | 2020 |
| Phillip Simpson, MD | 1699356345 | Family Medicine Physician | Shenandoah, TX | 2021 |
| Philomina Simpson | 1407195985 | Registered Nurse | Gainesville, VA | 2013 |
| Phoenix Simpson, LMFT | 1487973145 | Marriage & Family Therapist | Cedar Crest, NM | 2010 |
| Piper Simpson | 1992580005 | Behavior Technician | Knoxville, TN | 2023 |
| Piroshka Simpson, FNP-C | 1386122182 | Family Nurse Practitioner | Phoenix, AZ | 2018 |
| Preston Simpson, MSW,LCSW | 1083249635 | Clinical Social Worker | Carterville, IL | 2020 |
| Preston Simpson | 1184592107 | Electroneurodiagnostic Specialist/Technologist | Springfield, IL | 2025 |
| Preston Simpson, MD | 1265453021 | Clinical Pathology/Laboratory Medicine Physician | Fresno, CA | 2006 |
| Preston Simpson | 1497590749 | Student in an Organized Health Care Education/Training Program | Galveston, TX | 2024 |
| Preston Simpson, DC | 1649771296 | Chiropractor | Blackfoot, ID | 2018 |
| Princess Simpson | 1407528250 | Behavior Technician | Sacramento, CA | 2021 |
| Quatrisha Simpson | 1992679849 | Behavior Technician | Yulee, FL | 2025 |
| Quinn Simpson, MD | 1477340156 | Emergency Medicine Physician | Tucson, AZ | 2025 |
| Quinton Simpson | 1649057126 | Mental Health Counselor | Nampa, ID | 2023 |
| Raafiah Simpson | 1568287522 | Behavior Technician | Baltimore, MD | 2024 |
| Rachael Simpson | 1083116792 | Licensed Practical Nurse | Saint Louis, MO | 2018 |
| Rachel Simpson, LAT,ATC | 1134530603 | Athletic Trainer | Brownwood, TX | 2014 |
| Rachel Simpson | 1154054229 | Counselor | Corvallis, OR | 2022 |
| Rachel Simpson, MSN, CNM | 1205657426 | Advanced Practice Midwife | Frederick, MD | 2024 |
| Rachel Simpson | 1215421748 | Social Worker | Tulsa, OK | 2018 |
| Rachel Simpson, IBCLC | 1225450174 | Lactation Consultant (Non-RN) | Marblehead, MA | 2014 |
| Rachel Simpson, BCBA | 1245862853 | Behavior Analyst | Bentonville, AR | 2020 |
| Rachel Simpson, RN | 1356777197 | Registered Nurse | Houghton Lake, MI | 2013 |
| Rachel Simpson, OT | 1366187619 | Occupational Therapist | Milwaukie, OR | 2022 |
| Rachel Simpson, MD, PHD | 1528624095 | Infectious Disease Physician | Rochester, NY | 2019 |
| Rachel Simpson | 1568941664 | Behavior Analyst | Howard City, MI | 2018 |
| Rachel Simpson | 1598318800 | Ophthalmology Physician | Wyomissing, PA | 2019 |
| Rachel Simpson | 1659056497 | Home Health Aide | Van Wert, OH | 2023 |
| Rachel Simpson, AU.D. | 1801212550 | Audiologist-Hearing Aid Fitter | Hammond, LA | 2014 |
| Rachel Simpson, DC | 1972260255 | Chiropractor | Wyoming, MI | 2021 |
| Rachel Simpson, MD | 1982041372 | Ophthalmology Physician | Salt Lake City, UT | 2013 |
| Rachel Simpson, M.D. | 1992185532 | Student in an Organized Health Care Education/Training Program | Indianapolis, IN | 2015 |
| Rachell Simpson | 1851947519 | Counselor | Corvallis, OR | 2019 |
| Rachelle Simpson, PHD | 1558231936 | Medical Geneticist (PhD) Specialist/Technologist | Amherst, NH | 2025 |
| Racquel Simpson, M.S., CCC-SLP, TSSLD | 1962077941 | Speech-Language Pathologist | Deland, FL | 2021 |
| Raechel Simpson | 1871302091 | Student in an Organized Health Care Education/Training Program | Fort Worth, TX | 2025 |
| Raechele Simpson | 1225400997 | Family Nurse Practitioner | Anderson, SC | 2015 |
| Ragen Simpson | 1568301893 | Registered Nurse | Wilton Manors, FL | 2026 |
| Ralph Simpson, P.T. | 1376604074 | Physical Therapist | Whitefish, MT | 2006 |
| Ramona Simpson, CCC-SLP | 1891039806 | Speech-Language Pathologist | Little Rock, AR | 2012 |
| Randa Simpson, RBT | 1114620085 | Behavior Technician | Northbrook, IL | 2023 |
| Randell Simpson, PT | 1588771802 | Physical Therapist | Dallas, TX | 2006 |
| Randy Simpson, D.D.S. | 1114946811 | Dentist | Mountain Home, AR | 2006 |
| Randy Simpson, MASTERS IN PROFESSIO | 1326270117 | Professional Counselor | Orangeburg, SC | 2009 |
| Randy Simpson, PA | 1750332219 | Physician Assistant | Arkansas City, KS | 2006 |
| Rashunda Simpson | 1861370256 | Clinical Social Worker | Flint, MI | 2025 |
| Raven Simpson | 1598552432 | Behavior Technician | Killeen, TX | 2025 |
| Raven Simpson, DNP, WHNP-BC | 1861341968 | Obstetrics & Gynecology Physician | New Lenox, IL | 2026 |
| Raychel Simpson, MD | 1124654942 | Emergency Medicine Physician | Biloxi, MS | 2020 |
| Raymond Simpson | 1164997979 | Acute Care Nurse Practitioner | Dayton, OH | 2018 |
| Raymond Simpson, DDS | 1205356128 | General Practice Dentistry | Charlottesville, VA | 2017 |
| Reagan Simpson, MD | 1730564402 | Family Medicine Physician | Ramsey, MN | 2015 |
| Reanna Simpson | 1922545409 | Pharmacist | Smithfield, NC | 2017 |
| Reason Simpson | 1285427625 | Behavior Technician | Flint, MI | 2025 |
| Rebecca Simpson | 1043907249 | Mental Health Counselor | Wheaton, IL | 2023 |
| Rebecca Simpson, OTR | 1295785764 | Occupational Therapist | Irwin, PA | 2006 |
| Rebecca Simpson | 1346870755 | Pharmacist | Gilbert, AZ | 2020 |
| Rebecca Simpson | 1407460504 | Personal Care Attendant | Wharncliffe, WV | 2020 |
| Rebecca Simpson, MD | 1487677258 | Family Medicine Physician | Tacoma, WA | 2006 |
| Rebecca Simpson, LMSW | 1497563217 | Social Worker | Carmel, NY | 2024 |
| Rebecca Simpson, PTA | 1508294208 | Physical Therapy Assistant | Gallatin, TN | 2013 |
| Rebecca Simpson, AGACNP | 1669614657 | Gerontology Nurse Practitioner | Gainesville, GA | 2009 |
| Rebecca Simpson, PA-C | 1710304308 | Physician Assistant | St Petersburg, FL | 2014 |
| Rebecca Simpson, PA-C | 1720159403 | Physician Assistant | Slc, UT | 2006 |
| Rebecca Simpson, DO, MPH | 1770333551 | Psychiatry Physician | Maywood, IL | 2024 |
| Rebecca Simpson | 1770366809 | Behavior Analyst | Mount Laurel, NJ | 2023 |
| Rebecca Simpson | 1780343145 | Speech-Language Pathologist | Danville, KY | 2021 |
| Rebecca Simpson, MA., CCC-SLP | 1881722213 | Speech-Language Pathologist | Las Cruces, NM | 2007 |
| Rebecca Simpson, M.S., R.D., L.D.N. | 1912173709 | Registered Dietitian | Raleigh, NC | 2008 |
| Rebecca Simpson | 1972192904 | Personal Care Attendant | Barboursville, WV | 2021 |
| Rebekah Simpson, CDCA | 1093205122 | Counselor | New Philadelphia, OH | 2018 |
| Rebekah Simpson, FNP-BC | 1407227432 | Family Nurse Practitioner | Morgantown, WV | 2015 |
| Reed Simpson, MD | 1265595011 | Psychiatry Physician | Saint Louis, MO | 2006 |
| Reenee Simpson | 1497544886 | Personal Care Attendant | Valley City, ND | 2025 |
| Regan Simpson, LPN | 1710132709 | Licensed Practical Nurse | Cleveland, OH | 2008 |
| Regena Simpson, W.H.N.P | 1134323538 | Women's Health Nurse Practitioner | Mobile, AL | 2007 |
| Reghan Simpson, PHARMD, MBA, RPH | 1588542708 | Pharmacist | Travis Afb, CA | 2025 |
| Regina Simpson, PT | 1538708656 | Physical Therapist | Lewisville, TX | 2020 |
| Regina Simpson | 1720799679 | Behavior Technician | Acworth, GA | 2022 |
| Regina Simpson, NP | 1891202628 | Family Nurse Practitioner | Duffield, VA | 2018 |
| Remolia Simpson | 1285122259 | Counselor | Quakertown, PA | 2018 |
| Renae Simpson | 1013885656 | Wound Care Registered Nurse | Aurora, CO | 2025 |
| Renata Simpson, NP | 1972099778 | Acute Care Nurse Practitioner | Detroit, MI | 2018 |
| Renatta Simpson | 1912684390 | Addiction (Substance Use Disorder) Counselor | Stillwater, OK | 2023 |
| Rene Simpson | 1316820996 | Mental Health Counselor | Westampton, NJ | 2025 |
| Rene Simpson, B.S. PHARM | 1689957318 | Pharmacist | Buford, GA | 2011 |
| Renee Simpson | 1083288674 | Personal Care Attendant | Washington, DC | 2021 |
| Renee Simpson, OT | 1134110505 | Occupational Therapist | Nashville, TN | 2005 |
| Renee Simpson, RPH | 1487949665 | Pharmacist | New Bern, NC | 2011 |
| Renee Simpson, RDN | 1659100808 | Registered Dietitian | Fayetteville, GA | 2024 |
| Renee Simpson, CRNA | 1780114728 | Certified Registered Nurse Anesthetist | Colton, CA | 2017 |
| Renee Simpson | 1851742381 | Counselor | Springfield, MA | 2016 |
| Rennie Simpson, M.S., MFCC | 1538517388 | Marriage & Family Therapist | Sutter Creek, CA | 2016 |
| Rhonda Simpson, FNP ARNP | 1003068032 | Family Nurse Practitioner | Dubuque, IA | 2008 |
| Rhonda Simpson | 1003391772 | Health Educator | Atlanta, GA | 2018 |
| Rhonda Simpson, M.ED | 1235948183 | Intellectual & Developmental Disabilities Psychologist | Alvarado, TX | 2025 |
| Rhonda Simpson | 1265719751 | Speech-Language Pathologist | Mustang, OK | 2011 |
| Rhonda Simpson, R.N. | 1275897423 | Community Health Registered Nurse | Robinson, IL | 2012 |
| Rhonda Simpson | 1538203252 | Allergy & Immunology Physician | Denver, CO | 2007 |
| Rich Simpson, MSW; DMHP | 1790083236 | Clinical Social Worker | Walla Walla, WA | 2011 |
| Richard Simpson, PA-C | 1023650793 | Physician Assistant | Davie, FL | 2019 |
| Richard Simpson, MD | 1144398074 | Family Medicine Physician | Gallipolis, OH | 2006 |
| Richard Simpson, M.D. | 1194798314 | Diagnostic Radiology Physician | Fond Du Lac, WI | 2006 |
| Richard Simpson, DMD | 1255461315 | Pediatric Dentistry | Tuscaloosa, AL | 2007 |
| Richard Simpson, D.D.S. | 1265661367 | General Practice Dentistry | Shreveport, LA | 2009 |
| Richard Simpson, RPH | 1487902458 | Pharmacist | Andrews, SC | 2012 |
| Richard Simpson, CADC | 1538675509 | Addiction (Substance Use Disorder) Counselor | Lansing, MI | 2017 |
| Richard Simpson, D.C | 1568734572 | Chiropractor | Richmond, KY | 2012 |
| Richard Simpson, D.M.D. | 1578576195 | Orthodontics and Dentofacial Orthopedics Dentistry | Brandon, MS | 2006 |
| Richard Simpson, MD | 1730264490 | Internal Medicine Physician | Fairmont, WV | 2006 |
| Richard Simpson, RPH | 1760631782 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Wilmington, NC | 2008 |
| Richard Simpson, DMD | 1760712376 | General Practice Dentistry | North Augusta, SC | 2010 |
| Richard Simpson, OD | 1881600799 | Optometrist | Ontario, CA | 2006 |
| Richard Simpson, O.D. | 1881744134 | Optometrist | Albany, NY | 2007 |
| Richard Simpson, M.D. | 1912925595 | Neurological Surgery Physician | Houston, TX | 2006 |
| Rickey Simpson, CDCA. 188791 | 1689323057 | Addiction (Substance Use Disorder) Counselor | Ironton, OH | 2022 |
| Rickie Simpson, PHD, PMHCNS-BC | 1235228701 | Adult Psychiatric/Mental Health Registered Nurse | Manassas, VA | 2006 |
| Ricky Simpson, PSS | 1497580302 | Peer Specialist | Louisa, KY | 2024 |
| Riley Simpson | 1447136999 | Behavior Technician | Las Vegas, NV | 2025 |
| Riley Simpson | 1720786155 | Behavior Technician | Temecula, CA | 2023 |
| Riley Simpson, PT, DPT | 1851027585 | Physical Therapist | Maple Grove, MN | 2022 |
| Robert Simpson | 1043330814 | Counselor | Oak Ridge, TN | 2007 |
| Robert Simpson, D.D.S. | 1053607556 | Dentist | Oklahoma City, OK | 2011 |
| Robert Simpson | 1083251045 | Behavior Technician | Stuart, FL | 2019 |
| Robert Simpson, MD | 1093738171 | Orthopaedic Trauma Physician | Columbus, GA | 2006 |
| Robert Simpson, MA MFT | 1114039641 | Marriage & Family Therapist | Santa Ana, CA | 2006 |
| Robert Simpson | 1134491954 | Physical Therapist | Ridgeland, MS | 2012 |
| Robert Simpson, DC | 1174600951 | Chiropractor | Ada, OK | 2006 |
| Robert Simpson | 1205601754 | Behavior Technician | Baltimore, MD | 2023 |
| Robert Simpson | 1205798543 | Case Manager/Care Coordinator | Columbus, OH | 2025 |
| Robert Simpson, MD | 1306818042 | Vascular & Interventional Radiology Physician | Montgomery, AL | 2006 |
| Robert Simpson, LICSW | 1366048027 | Clinical Social Worker | Amherst, MA | 2020 |
| Robert Simpson, RD/LPTA | 1396908547 | Physical Therapist | Hendersonville, NC | 2008 |
| Robert Simpson, PH. D. L.M.F.T. | 1447351846 | Marriage & Family Therapist | Tallahassee, FL | 2006 |
| Robert Simpson, MD | 1609973684 | Addiction Medicine (Internal Medicine) Physician | Salt Lake City, UT | 2006 |
| Robert Simpson | 1629943659 | Peer Specialist | Medford, OR | 2025 |
| Robert Simpson, D.C. | 1659454270 | Chiropractor | Onley, VA | 2006 |
| Robert Simpson, PHARM. D. | 1811441579 | Pharmacist | Tahlequah, OK | 2016 |
| Robert Simpson | 1891383758 | Peer Specialist | Columbus, OH | 2021 |
| Robert Simpson, DMD | 1982705356 | Dentist | Stoneham, MA | 2006 |
| Robert (bob) Simpson | 1215814496 | Counselor | Marion, IL | 2025 |
| Roberta Simpson, M.A. | 1730239070 | Audiologist | Fort Defiance, AZ | 2007 |
| Robertino Simpson, MD | 1083273015 | Surgery Physician | Iowa City, IA | 2019 |
| Robin Simpson, OTR/L | 1043400278 | Occupational Therapist | Mt Sterling, KY | 2007 |
| Robin Simpson, MSW | 1083431043 | Counselor | Buffalo, NY | 2024 |
| Robin Simpson, DO | 1598730723 | Family Medicine Physician | Newark, DE | 2006 |
| Robin Simpson, RN | 1619494416 | Home Health Registered Nurse | Eureka, IL | 2017 |
| Robyn Simpson | 1184039331 | Clinical Social Worker | Buffalo, NY | 2014 |
| Robyn Simpson | 1588857791 | Addiction (Substance Use Disorder) Counselor | Seaside, OR | 2007 |
| Rodney Simpson | 1760997316 | Case Manager/Care Coordinator | Knoxville, TN | 2017 |
| Roger Simpson, RPH | 1346545357 | Pharmacist | Rancho Mirage, CA | 2011 |
| Roger Simpson, M.D. | 1861460552 | Plastic and Reconstructive Surgery Physician | Garden City, NY | 2006 |
| Roger Simpson, M.D. | 1871585281 | Otolaryngology Physician | North Platte, NE | 2005 |
| Ronald Simpson, PA-C | 1043828262 | Physician Assistant | Folsom, CA | 2020 |
| Ronald Simpson | 1093189169 | Case Manager/Care Coordinator | Monroe, LA | 2015 |
| Ronald Simpson | 1285242859 | Hearing Instrument Specialist | Flemington, NJ | 2020 |
| Ronald Simpson, MD | 1467459370 | Family Medicine Physician | Mountain View, AR | 2005 |
| Ronda Simpson, LMT | 1285335281 | Massage Therapist | Van Buren Twp, MI | 2023 |
| Ronda Simpson | 1518761469 | Personal Care Attendant | Antioch, CA | 2025 |
| Rory Simpson, O.D. | 1144359159 | Optometrist | Morgantown, WV | 2007 |
| Rosalind Simpson, MA, LLPC | 1437442738 | Counselor | Sterling Heights, MI | 2011 |
| Rose Simpson | 1700721636 | Nurse's Aide | Summerville, SC | 2026 |
| Rose Simpson, RN, OCN | 1871056580 | Infusion Therapy Registered Nurse | Gaithersburg, MD | 2019 |
| Rosemary Simpson | 1487528220 | Home Health Aide | Cincinnati, OH | 2025 |
| Rosemary Simpson, AU.D. | 1659537678 | Audiologist | Nacogdoches, TX | 2008 |
| Rosemary Simpson | 1780800508 | Licensed Practical Nurse | Plymouth Meeting, PA | 2007 |
| Ross Simpson, MD | 1912967761 | Anatomic Pathology & Clinical Pathology Physician | Minneapolis, MN | 2006 |
| Ross Simpson, MD | 1972678720 | Cardiovascular Disease Physician | Chapel Hill, NC | 2006 |
| Roxana Simpson, RPH | 1740776780 | Pharmacist | Waterbury, CT | 2018 |
| Roxanne Simpson, FNP | 1366841918 | Family Nurse Practitioner | Bronx, NY | 2014 |
| Roxanne Simpson | 1386235737 | School Psychologist | Orlando, FL | 2021 |
| Roxanne Simpson | 1972733830 | Mental Health Counselor | Gainesville, FL | 2009 |
| Roy Simpson, D.D.S. | 1710108063 | General Practice Dentistry | Washington, IN | 2007 |
| Ruby Simpson | 1043175029 | Case Manager/Care Coordinator | Washington, DC | 2025 |
| Ruby Simpson, APRN | 1972310332 | Family Nurse Practitioner | Lexington, SC | 2024 |
| Russell Simpson, MD | 1063506228 | Emergency Medicine Physician | Huntsville, AL | 2006 |
| Russell Simpson, MD | 1114998721 | Internal Medicine Physician | Pasadena, CA | 2006 |
| Russell Simpson | 1801424874 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2020 |
| Ruth Simpson, CRNA | 1871501692 | Certified Registered Nurse Anesthetist | Norfolk, VA | 2006 |
| Ruthlyn Simpson, FNP-BC | 1003119991 | Family Nurse Practitioner | Bronx, NY | 2010 |
| Ryan Simpson | 1104334325 | Chiropractor | Wichita, KS | 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).