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Orthopedic Surgery

Mark S. Anderson, MD

Works at hospitals in Custer, SD · Rapid City, SD · Spearfish, SD · South Dakota

Summary

Mark S. Anderson, MD (Orthopedic Surgery) is listed by Medicare at 3 hospitals in Custer, SD, Rapid City, SD and Spearfish, SD. NPI 1821357179. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark S. Anderson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
University Of New Mexico School Of MedicineMedical school
MaleGender (as listed)
Monument Health Rapid City Hospital IncGroup practice

Quick answers

Which hospitals does Mark S. Anderson work at?
Medicare's official clinician data lists Mark S. Anderson at 3 hospitals: Monument Health Custer Hospital, Monument Health Rapid City Hospital and Monument Health Spearfish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark S. Anderson see patients?
Medicare's clinician data lists 1 practice location in Rapid City, SD. Call before your visit to confirm the address.
What is Mark S. Anderson's specialty?
Medicare lists Orthopedic Surgery as the primary specialty, and also Hand Surgery.
Does Mark S. Anderson accept Medicare assignment?
Yes. Medicare's clinician data says Mark S. Anderson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Mark S. Anderson's NPI number?
1821357179. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark S. Anderson works

Medicare's Facility Affiliation Data lists Mark S. Anderson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mark S. Anderson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark S. Anderson as a member of this group (CMS data updated 2026-10-02).

  • Monument Health Rapid City Hospital Inc564 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in South Dakota →

Other orthopedic surgeons in Rapid City

Clinicians with the same Medicare primary specialty in Rapid City, SD — not a recommendation.

All orthopedic surgeons in Rapid City →

Clinician information

CredentialMD
Medical schoolUniversity Of New Mexico School Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821357179
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians