Calvin A. Roseth, MD
Internal Medicine Physician · Watertown, SD
Calvin A. Roseth, MD is an internal medicine physician with a practice address in Watertown, South Dakota, and NPI 1215916739, issued on Jan 12, 2006. Check the license (South Dakota 2698, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Calvin A. Roseth
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2698 SD
Self-reported in NPPES; status is on the state search - Practice location
- 901 4TH St NW, Watertown, SD 57201
- Phone
- (605) 886-8471
- Enumerated
- Jan 12, 2006
- Record last updated
- Apr 11, 2022
- Fax
- (605) 886-9317
- Medicaid ID
- 6001962 SD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 247 in South Dakota → Look up another NPI →
Also registered at 901 4TH St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Calvin A. Roseth 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 2698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
68 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atenolol13 claims
- Famotidine13 claims
- Simvastatin13 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.
Calvin A. Roseth among 247 internal medicine physician records in South Dakota
Calvin A. Roseth, MD is one of 247 internal medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Watertown
They are 9 of the 543 NPPES records with a practice address in Watertown, and 247 internal medicine physician records in South Dakota.
All 247 in South Dakota → Every provider in Watertown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ghaith Aboud, M.DWatertown, SD 572011497117618
- Edward Dickes, M.D.Watertown, SD 572011932411733
- Catherine Gerrish, MDWatertown, SD 572011770541807
- Hollis Nipe, MDWatertown, SD 572011821056896
- Kristen Pickrel, MDWatertown, SD 572011306307160
- Aaron Pickrel, DOWatertown, SD 572011356802979
- Deepali Shah, M.D.Watertown, SD 572011174011027
- John Sneden, MDWatertown, SD 572011811999659
Common questions
What is Calvin A. Roseth, MD's NPI number?
Calvin A. Roseth, MD's National Provider Identifier (NPI) is 1215916739, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Calvin A. Roseth, MD located?
The NPPES record lists a practice address at 901 4TH St NW, Watertown, SD, 57201. Phone: (605) 886-8471. Providers update this record themselves, so call before visiting.
How can I verify Calvin A. Roseth, MD's license?
NPPES lists South Dakota license number 2698, 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 Calvin A. Roseth, MD prescribe under Medicare Part D?
In 2024, Calvin A. Roseth, MD had 68 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.