Janell L. Simpkins, MD
Internal Medicine Physician · Sioux Falls, SD
Janell L. Simpkins, MD is an internal medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1619989605, issued on Aug 11, 2006. Check the license (South Dakota 3812, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Janell L. Simpkins
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3812 SD
Self-reported in NPPES; status is on the state search - Practice location
- 4500 N Lewis Ave, Sioux Falls, SD 57104
- Phone
- (605) 322-5313
- Enumerated
- Aug 11, 2006
- Record last updated
- Oct 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 6630540 SD
- Entity
- Type 1 · individual
Also registered at 4500 N Lewis Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robin Arends, CNPNurse Practitioner1063660363
- Ephrem Bejiga, CNPFamily Nurse Practitioner1902417983
- Heather Berney, M.D.Psychiatry Physician1568859809
- Collin Block, MSWSocial Worker1982231510
- Leah Chinchilla, RNRegistered Nurse1134944077
- Jacklyn Genzlinger, MSW, LCSWSocial Worker1548733116
Verify Janell L. Simpkins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 3812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
38 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
110 internal medicine physician records list a practice address in Sioux Falls
They are 110 of the 6,563 NPPES records with a practice address in Sioux Falls, and 247 internal medicine physician records in South Dakota.
All 110 in Sioux Falls → All 247 in South Dakota → Every provider in Sioux Falls →
Other internal medicine physician records in South Dakota
- Ghaith Aboud, M.DWatertown, SD1497117618
- Joyce Achenjang, M.DPine Ridge, SD1750736096
- Boakye-Yiadom Adomako, M.D.Yankton, SD1720774771
- Comfort Agaba, MDSioux Falls, SD1891221123
- Abdalah Ahmed, MDSioux Falls, SD1457091993
- Mohammad Ahmed, M.DSioux Falls, SD1528417821
- Munir Ahmed, M.D.Sisseton, SD1962577585
- Shakeel Ahmed, MDRapid City, SD1356773113
- Hadi Al-Hasnawi, M.DSioux Falls, SD1518351808
- Marc Aldrich, MDRapid City, SD1932209442
Common questions
What is Janell L. Simpkins, MD's NPI number?
Janell L. Simpkins, MD's National Provider Identifier (NPI) is 1619989605, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janell L. Simpkins, MD located?
The NPPES record lists a practice address at 4500 N Lewis Ave, Sioux Falls, SD, 57104. Phone: (605) 322-5313. Providers update this record themselves, so call before visiting.
How can I verify Janell L. Simpkins, MD's license?
NPPES lists South Dakota license number 3812, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Janell L. Simpkins, MD prescribe under Medicare Part D?
In 2024, Janell L. Simpkins, MD had 38 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.