Quick answers
- Which hospitals does Gregory J. Yanish work at?
- Medicare's official clinician data lists Gregory J. Yanish at 2 hospitals: Knoxville Hospital & Clinics and MercyOne Des Moines Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory J. Yanish see patients?
- Medicare's clinician data lists 4 practice locations, including Knoxville, IA, Clive, IA and Ankeny, IA. Call before your visit to confirm the address.
- What is Gregory J. Yanish's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also General Surgery.
- Does Gregory J. Yanish accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Yanish 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 Gregory J. Yanish?
- (641) 828-7211, as listed in official Medicare / NPI Registry data.
- What is Gregory J. Yanish's NPI number?
- 1497809859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory J. Yanish works
Medicare's Facility Affiliation Data lists Gregory J. Yanish at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Knoxville Hospital & ClinicsKnoxville, IA · Critical Access Hospital · CCN 161355
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
Practice locations
Addresses where Gregory J. Yanish is enrolled with Medicare (CMS data updated 2026-10-02).
- 1202 W Howard StKnoxville, IA 50138 (641) 828‑7211
- 12499 University Ave, Suite 210Clive, IA 50325 (515) 440‑2676
- 1345 SW Park Square Dr, Suite 200Ankeny, IA 50023 (515) 440‑2676
- 2006 N 4th St, Suite 300Indianola, IA 50125 (515) 440‑2676
Group practices
Medicare enrollment lists Gregory J. Yanish as a member of these groups (CMS data updated 2026-10-02).
- Knoxville Community Hospital Inc33 clinicians in the group
- Capital Orthopaedics and Sports Medicine PC19 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- General Surgeryalso
Other orthopedic surgeons in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497809859 |
| 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