Quick answers
- Which hospitals does Katlyn E. Rostyne work at?
- Medicare's official clinician data lists Katlyn E. Rostyne at 3 hospitals: Avera Queen of Peace, Avera Weskota Memorial Medical Center - CAH and Huron Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katlyn E. Rostyne see patients?
- Medicare's clinician data lists 2 practice locations, including Martin, SD and Mission, SD. Call before your visit to confirm the address.
- What is Katlyn E. Rostyne's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katlyn E. Rostyne accept Medicare assignment?
- Yes. Medicare's clinician data says Katlyn E. Rostyne 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 the phone number for Katlyn E. Rostyne?
- (605) 685-6868, as listed in official Medicare / NPI Registry data.
- What is Katlyn E. Rostyne's NPI number?
- 1457827834. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katlyn E. Rostyne works
Medicare's Facility Affiliation Data lists Katlyn E. Rostyne at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera Queen of PeaceMitchell, SD · Critical Access Hospital · CCN 431340
- Avera Weskota Memorial Medical Center - CAHWessington Springs, SD · Critical Access Hospital · CCN 431324
- Huron Regional Medical CenterHuron, SD · Critical Access Hospital · CCN 431335
Practice locations
Addresses where Katlyn E. Rostyne is enrolled with Medicare (CMS data updated 2026-10-02).
- 109 Pugh StMartin, SD 57551 (605) 685‑6868
- 161 S MainMission, SD 57555 (605) 856‑2295
Group practices
Medicare enrollment lists Katlyn E. Rostyne as a member of this group (CMS data updated 2026-10-02).
- Horizon Health Care Inc55 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Martin
Clinicians with the same Medicare primary specialty in Martin, SD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457827834 |
| 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