Gregory L. Wiedel, M.D.
Internal Medicine Physician · Huron, SD
Gregory L. Wiedel, M.D. is an internal medicine physician with a practice address in Huron, South Dakota, and NPI 1033114871, issued on Jun 17, 2005. Check the license (South Dakota 3959, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory L. Wiedel
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3959 SD
Self-reported in NPPES; status is on the state search - Practice location
- 455 Kansas Ave SE, Huron, SD 57350
- Phone
- (605) 352-8767
- Enumerated
- Jun 17, 2005
- Record last updated
- Nov 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (605) 352-8784
- Medicaid ID
- 6002990 SD
- Entity
- Type 1 · individual
Also registered at 455 Kansas Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Doreen Boomsma, C.N.P.-MSNurse Practitioner1780689380
- Cy Haatvedt, M.D.Surgery Physician1942205489
- Robert Hohm, M.D.Internal Medicine Physician1366447104
- William Miner, M.D.Internal Medicine Physician1962600387
- Susan Olson, CNP/PACNurse Practitioner1295738789
- Danielle Rathjen, DNP,FNP-CFamily Nurse Practitioner1538678107
Verify Gregory L. Wiedel 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 3959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
131 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Lamictal27 claims
- Furosemide24 claims
- Levothyroxine Sodium24 claims
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.
7 internal medicine physician records list a practice address in Huron
They are 7 of the 202 NPPES records with a practice address in Huron, and 247 internal medicine physician records in South Dakota.
All 7 in Huron → All 247 in South Dakota → Every provider in Huron →
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 Gregory L. Wiedel, M.D.'s NPI number?
Gregory L. Wiedel, M.D.'s National Provider Identifier (NPI) is 1033114871, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory L. Wiedel, M.D. located?
The NPPES record lists a practice address at 455 Kansas Ave SE, Huron, SD, 57350. Phone: (605) 352-8767. Providers update this record themselves, so call before visiting.
How can I verify Gregory L. Wiedel, M.D.'s license?
NPPES lists South Dakota license number 3959, 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 Gregory L. Wiedel, M.D. prescribe under Medicare Part D?
In 2024, Gregory L. Wiedel, M.D. had 131 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.