Quick answers
- Which hospitals does Garrett J. Sterk work at?
- Medicare's official clinician data lists Garrett J. Sterk at 2 hospitals: Avera McKennan Hospital & University Health Center and Osceola Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Garrett J. Sterk see patients?
- Medicare's clinician data lists 2 practice locations, including Sibley, IA. Call before your visit to confirm the address.
- What is Garrett J. Sterk's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Garrett J. Sterk accept Medicare assignment?
- Yes. Medicare's clinician data says Garrett J. Sterk 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 Garrett J. Sterk?
- (712) 754-2900, as listed in official Medicare / NPI Registry data.
- What is Garrett J. Sterk's NPI number?
- 1073075313. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Garrett J. Sterk works
Medicare's Facility Affiliation Data lists Garrett J. Sterk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · CCN 430016
- Osceola Community HospitalSibley, IA · Critical Access Hospital · CCN 161345
Practice locations
Addresses where Garrett J. Sterk is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 9th Ave NSibley, IA 51249 (712) 754‑2900
- 600 9th Ave N, PO Box 258Sibley, IA 51249
Group practices
Medicare enrollment lists Garrett J. Sterk as a member of these groups (CMS data updated 2026-10-02).
- Avera McKennan959 clinicians in the group
- Osceola Community Hospital Inc12 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073075313 |
| 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