Steven Keita Nishiyama, D.O., PH.D.
Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery (D.O., PH.D.) with Desert Orthopaedic Center Ltd and 1 other group, practicing in Las Vegas, Nevada. 632 Medicare patients in 2024, $352,042 paid; nearly all of their 1,782 Part D prescriptions were generic (99%). Smith+nephew, Inc. was the largest of 2 companies reporting payments in 2025, $237,328 in all, mostly consulting fees. Lists Spring Valley Hospital Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1386904605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O., PH.D. |
| Sole proprietor | No |
| NPI issued | May 21, 2012 |
| Last updated in NPPES | Mar 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery Primary | 207XS0114X | DO2388 | NV |
| Orthopaedic Surgery | 207X00000X | SL0878 | NV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 632 |
|---|---|
| Services billed | 13,480 across 65 procedure codes |
| Paid by Medicare | $352,042 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,782 · 1,845 30-day fills |
|---|---|
| Patients | 427 |
| Total drug cost | $25,820 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Desert Orthopaedic Center LtdLas Vegas, NV · 103 clinicians
- Paragon Physical Therapy and Rehab LLCBullhead City, AZ · 94 clinicians
Hospital affiliations
- Spring Valley Hospital Medical CenterLas Vegas, NV
- Valley Hospital Medical CenterLas Vegas, NV
Other facilities
- Enhabit Home HealthHome health agency · Las Vegas, NV
Industry payments (Open Payments)
- 2025$237,328 · 135 payments from 2 companies
- 2024$253,610 · 160 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $237,178 | 133 |
| Stryker Corporation | $149.95 | 2 |
What the 2025 payments were for
- Consulting Fee$98,681 · 24 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$97,350 · 14 payments
- Travel and Lodging$37,098 · 49 payments
- Food and Beverage$4,199 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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