Robert Zaray Tashjian, MD
NPI 1659300044ActiveIndividual· Orthopaedic Surgery· Salt Lake City, UT
Orthopaedic Surgery (MD) in Salt Lake City, Utah, trained at Tufts University School of Medicine (class of 1999). 339 Medicare patients in 2024, $161,873 paid; nearly all of their 192 Part D prescriptions were generic (96%). Stryker Corporation was the largest of 3 companies reporting payments in 2025, $891,909 in all, mostly royalties and licenses.
Overview
| NPI | 1659300044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Dec 20, 2021 |
| Certified by provider | Dec 20, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 6209402-1205 | UT |
| Military Health Care Provider | 171000000X | 6209402-1205 | UT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 339 |
|---|---|
| Services billed | 970 across 59 procedure codes |
| Paid by Medicare | $161,873 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 192 30-day fills |
|---|---|
| Patients | 100 |
| Total drug cost | $3,598 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- University of Utah Adult ServicesFarmington, UT · 1,788 clinicians
Hospital affiliations
- Castleview HospitalPrice, UT
- Holy Cross Hospital - Salt LakeSalt Lake City, UT
- Memorial Hospital Sweetwater CountyRock Springs, WY
- St Johns Medical CenterJackson, WY
- University of Utah Hospital and ClinicsSalt Lake City, UT
Other facilities
- Community Nursing ServicesHome health agency · West Valley City, UT
Industry payments (Open Payments)
- 2025$891,909 · 91 payments from 3 companies
- 2024$647,975 · 110 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $835,394 | 83 |
| Shoulder Innovations, Inc. | $49,806 | 4 |
| Zimmer Biomet Holdings, Inc. | $6,709 | 4 |
What the 2025 payments were for
- Royalty or License$781,443 · 17 payments
- Consulting Fee$82,484 · 27 payments
- Travel and Lodging$26,250 · 22 payments
- Food and Beverage$1,732 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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