Gregory J. Yanish, MD
NPI 1497809859ActiveIndividual· Surgery· Clive, IA
Surgery (MD) with Knoxville Community Hospital Inc and 1 other group, practicing in Clive, Iowa. 336 Medicare patients in 2024, $128,092 paid; nearly all of their 181 Part D prescriptions were generic (99%). Prism Medical was the largest of 2 companies reporting payments in 2025, $1,827 in all, mostly travel and lodging. Lists Knoxville Hospital & Clinics and 1 other hospital as hospital affiliations.
Overview
| NPI | 1497809859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 23, 2007 |
| Last updated in NPPES | Jan 23, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 5315021056 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 1,160 across 57 procedure codes |
| Paid by Medicare | $128,092 |
Part D prescriptions in 2024
| Prescriptions (claims) | 181 · 181 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $696.55 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | General Surgery |
Medical groups
- Knoxville Community Hospital IncKnoxville, IA · 33 clinicians
- Capital Orthopaedics and Sports Medicine PCClive, IA · 19 clinicians
Hospital affiliations
- Knoxville Hospital & ClinicsKnoxville, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
Industry payments (Open Payments)
- 2025$1,827 · 10 payments from 2 companies
- 2024$1,547 · 12 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Prism Medical | $1,071 | 5 |
| Arthrex, Inc. | $755.65 | 5 |
What the 2025 payments were for
- Travel and Lodging$1,322 · 3 payments
- Food and Beverage$505.12 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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