Mark Andrew Fusunyan, MD
NPI 1568984953ActiveIndividual· Psychiatry & Neurology, Psychiatry· San Jose, CA
Psychiatry & Neurology, Psychiatry (MD) in San Jose, California, trained at University of Massachusetts Medical School (class of 2017). Mostly services rather than prescriptions: Medicare paid $7,865 for 51 patients in 2024, with only 24 Part D claims. Alkermes, Inc. reported $118.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1568984953 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2017 |
| Last updated in NPPES | Dec 14, 2022 |
| Certified by provider | Dec 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 172926 | CA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 271557 | MA |
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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 60 across 1 procedure code |
| Paid by Medicare | $7,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 24 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $272.92 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Psychiatry |
| Secondary specialties | Neuropsychiatry |
Medical group
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliation
- Santa Clara Valley Medical CenterSan Jose, CA
Industry payments (Open Payments)
- 2025$118.37 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $118.37 | 1 |
What the 2025 payments were for
- Food and Beverage$118.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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