John Reed Schwarzenbach, MD
Internal Medicine Physician · Hot Springs, SD
John Reed Schwarzenbach, MD is an internal medicine physician with a practice address in Hot Springs, South Dakota, and NPI 1497840979, issued on Oct 3, 2006. Check the license (South Dakota 4631, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Reed Schwarzenbach
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4631 SD
D8426 TX
3952A WY
Self-reported in NPPES; status is on the state search - Practice location
- 500 N. 5TH Street, Hot Springs, SD 57747
- Phone
- (605) 745-2000
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 247 in South Dakota → Look up another NPI →
Also registered at 500 N. 5TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Reed Schwarzenbach 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 4631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Reed Schwarzenbach among 247 internal medicine physician records in South Dakota
John Reed Schwarzenbach, 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 not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2007 · 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).
Internal Medicine Physician providers in South Dakota
There are 247 internal medicine physician records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 247 in South Dakota → Every provider in Hot Springs → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Khiem Tran, M.D., M.H.A.Kyle, SD 577521891761631
- John Becker, MDFort Meade, SD 577411902971732
- Michael Davies, MDFort Meade, SD 577411245280759
- Lana Fischer, MDFort Meade, SD 577411851483598
- David Gwinn, MDFort Meade, SD 577411114099447
- Lee Hanson, M.D.Fort Meade, SD 577411881666188
- Robert Vosler, MDFort Meade, SD 577411457438145
- Sheena Wydermyer, M.D.Fort Meade, SD 577411912095340
Common questions
What is John Reed Schwarzenbach, MD's NPI number?
John Reed Schwarzenbach, MD's National Provider Identifier (NPI) is 1497840979, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Reed Schwarzenbach, MD located?
The NPPES record lists a practice address at 500 N. 5TH Street, Hot Springs, SD, 57747. Phone: (605) 745-2000. Providers update this record themselves, so call before visiting.
How can I verify John Reed Schwarzenbach, MD's license?
NPPES lists South Dakota license number 4631, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.