Quick answers
- Which hospitals does Mark W. Peterson work at?
- Medicare's official clinician data lists Mark W. Peterson at 3 hospitals: Avera Dells Area Hospital - CAH, Avera McKennan Hospital & University Health Center and Citizens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark W. Peterson see patients?
- Medicare's clinician data lists 2 practice locations, including Sioux Falls, SD and Milbank, SD. Call before your visit to confirm the address.
- What is Mark W. Peterson's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark W. Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Mark W. Peterson 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 W. Peterson's NPI number?
- 1326374562. 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 W. Peterson works
Medicare's Facility Affiliation Data lists Mark W. Peterson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera Dells Area Hospital - CAHDell Rapids, SD · Critical Access Hospital · CCN 431331
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · CCN 430016
- Citizens Medical CenterColby, KS · Critical Access Hospital · CCN 171362
Practice locations
Addresses where Mark W. Peterson is enrolled with Medicare (CMS data updated 2026-10-02).
- 6800 S Louise AveSioux Falls, SD 57108
- 901 E Virgil AveMilbank, SD 57252
Group practices
Medicare enrollment lists Mark W. Peterson as a member of this group (CMS data updated 2026-10-02).
- Avera McKennan959 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326374562 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians