John Angelo Gnassi, MD
NPI 1629066105ActiveIndividual· Family Medicine· Parker, AZ
Family Medicine (MD) in Parker, Arizona, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1988). Part D covered 64 prescriptions written in 2024, 83% of them generic.
Overview
| NPI | 1629066105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 10, 2005 |
| Last updated in NPPES | Aug 11, 2022 |
| Certified by provider | Aug 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 74549 | 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 - Family Practice (MA); Practitioner - Hospitalist (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 64 · 64 30-day fills |
|---|---|
| Total drug cost | $5,998 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Hospitalist |
Medical group
- Winslow Indian Health Care Center IncWinslow, AZ · 100 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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