Quick answers
- Does Zachary J. Petersen accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary J. Petersen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Zachary J. Petersen's NPI number?
- 1568885952. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Zachary J. Petersen works
Medicare's Facility Affiliation Data lists Zachary J. Petersen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Monument Health Custer HospitalCuster, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431323
- Monument Health Rapid City HospitalRapid City, SD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 430077
Practice locations
Addresses where Zachary J. Petersen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1100 Hwy 71 S, Suite 101Hot Springs, SD 57747 (605) 745‑8050
- 1220 Montgomery StCuster, SD 57730 (605) 673‑4150
- 1440 N Main StSpearfish, SD 57783 (605) 644‑4000
- 238 Elm StHill City, SD 57745 (605) 574‑4470
Group practices
Medicare enrollment lists Zachary J. Petersen as a member of this group (CMS data updated October 2, 2026).
- Monument Health Network Inc160 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Hot Springs
Clinicians with the same Medicare primary specialty in Hot Springs, SD — not a recommendation.
Other clinicians in Monument Health Network Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568885952 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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