James Y. Mamone, M.D.
NPI 1255436358ActiveIndividual· Orthopaedic Surgery· Roseville, CA
Orthopaedic Surgery (M.D.) in Roseville, California, trained at Saint Louis University School of Medicine (class of 1992). 341 Medicare patients in 2024, $147,791 paid; nearly all of their 731 Part D prescriptions were generic (99%). Zimmer Biomet Holdings, Inc. reported $75.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1255436358 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Jul 22, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G83728 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 341 |
|---|---|
| Services billed | 3,909 across 20 procedure codes |
| Paid by Medicare | $147,791 |
Part D prescriptions in 2024
| Prescriptions (claims) | 731 · 745 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $11,281 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliations
- Sutter Auburn Faith HospitalAuburn, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Roseville Medical CenterRoseville, CA
Other facilities
- Progressive Home Care - AuburnHome health agency · Auburn, CA
- Sutter Auburn Faith Vna & HospiceHome health agency · Auburn, CA
- Sutter Care at HomeHome health agency · Roseville, CA
Industry payments (Open Payments)
- 2025$75.00 · 1 payment from 1 company
- 2024$15.04 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $75.00 | 1 |
What the 2025 payments were for
- Food and Beverage$75.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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