NPPES file of Aug 9, 2026

Gwen M. Schaunaman, MD

Diagnostic Radiology Physician · Watertown, SD

Gwen M. Schaunaman, MD is a diagnostic radiology physician with a practice address in Watertown, South Dakota, and NPI 1235361064, issued on Aug 12, 2009. Check the license (South Dakota 8831, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235361064
Name
Gwen M. Schaunaman
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
8831 SD
Self-reported in NPPES; status is on the state search
Practice location
506 1St Ave SE, Watertown, SD 57201
Phone
(605) 886-8482
Enumerated
Aug 12, 2009
Record last updated
May 11, 2022
Fax
(605) 884-4300
Medicare enrollment
Enrolled (PECOS I20130910000487); accepts Medicare assignment
Medical or professional school
Sanford School Of Medicine Of University Of South Dakota, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 506 1St Ave SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Adrienne Bak, NPFamily Nurse Practitioner1316739550
  2. Heidi Barber, CNPNurse Practitioner1831709369
  3. Lindsey Barthel, NP-CFamily Nurse Practitioner1689957565
  4. Kristina Boetel, CNPNurse Practitioner1184192650
  5. David Carlson, MDFamily Medicine Physician1114985132
  6. Bailley Danforth, PA-CPhysician Assistant1184348807

Verify Gwen M. Schaunaman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 8831
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Prairie Lakes Health Care System IncWatertown, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gwen M. Schaunaman among 106 diagnostic radiology physician records in South Dakota

Gwen M. Schaunaman, MD is one of 106 diagnostic radiology physician records with a practice address in South Dakota. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 75% of them.

  • NPI issued2009 · 75% of these records are older, 24% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2007 · median 2003 among the 71 with a school on file
  • Record last updated2022 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in South Dakota

There are 106 diagnostic radiology physician records in South Dakota.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Robert Crank, MDWatertown, SD 572011669451100
  2. John Schwartz, MDWatertown, SD 572011144288564
  3. Clark Carrol, M.D.Sioux Falls, SD 571861629267224
  4. Megan Albertson, M.D.Sioux Falls, SD 571051013334911
  5. Anders Grinde, M.D.Sioux Falls, SD 571051558627760
  6. Matthew Helgeson, MDSioux Falls, SD 571051568429397
  7. Megan Hora, M.D.Sioux Falls, SD 571051942590419
  8. Ryan Jepperson, M.D.Sioux Falls, SD 571051184836199

Common questions

What is Gwen M. Schaunaman, MD's NPI number?

Gwen M. Schaunaman, MD's National Provider Identifier (NPI) is 1235361064, issued on Aug 12, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Gwen M. Schaunaman, MD located?

The NPPES record lists a practice address at 506 1St Ave SE, Watertown, SD, 57201. Phone: (605) 886-8482. Providers update this record themselves, so call before visiting.

How can I verify Gwen M. Schaunaman, MD's license?

NPPES lists South Dakota license number 8831, 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. 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.