NPPES file of Aug 9, 2026

Marcia K. Nelsen, M.D.

Orthopaedic Surgery Physician · Viborg, SD

Marcia K. Nelsen, M.D. is an orthopaedic surgery physician with a practice address in Viborg, South Dakota, and NPI 1629188289, issued on Aug 30, 2006. Check the license 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629188289
Name
Marcia K. Nelsen
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
36452 IA
Self-reported in NPPES; status is on the state search
Practice location
45125 291St St, Viborg, SD 57070
Phone
(605) 760-3972
Enumerated
Aug 30, 2006
Record last updated
Jul 9, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(605) 326-5706
Medicaid ID
1939991 IA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Marcia K. Nelsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic ExaminersCheck 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

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86% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

48 Medicare Part D claims for 18 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.

  1. Marcia Nelsen48
  2. Specialty average346

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.

Marcia K. Nelsen among 113 orthopaedic surgery physician records in South Dakota

Marcia K. Nelsen, M.D. is one of 113 orthopaedic surgery 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 48% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2012 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 orthopaedic surgery physician record lists a practice address in Viborg

They are 1 of the 30 NPPES records with a practice address in Viborg, and 113 orthopaedic surgery physician records in South Dakota.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Michael Adler, MDTea, SD 570641851314124
  2. Keith Baumgarten, MDTea, SD 570641467474452
  3. Evan Hermanson, M.D.Tea, SD 570641316039589
  4. Jason Hurd, M.D.Tea, SD 570641447471131
  5. Peter Looby, MDTea, SD 570641659304749
  6. Matthew McKenzie, MDTea, SD 570641720094089
  7. Joshua Meaike, MDTea, SD 570641811494750
  8. Gregory Neely, MDTea, SD 570641912027608

Common questions

What is Marcia K. Nelsen, M.D.'s NPI number?

Marcia K. Nelsen, M.D.'s National Provider Identifier (NPI) is 1629188289, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marcia K. Nelsen, M.D. located?

The NPPES record lists a practice address at 45125 291St St, Viborg, SD, 57070. Phone: (605) 760-3972. Providers update this record themselves, so call before visiting.

How can I verify Marcia K. Nelsen, M.D.'s license?

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 Marcia K. Nelsen, M.D. prescribe under Medicare Part D?

In 2024, Marcia K. Nelsen, M.D. had 48 Medicare Part D claims for 18 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.