John Alexander Gonzales, M.D.
NPI 1881852366ActiveIndividual· Ophthalmology· Bronx, NY
Ophthalmology (M.D.) in Bronx, New York, trained at University of Southern California Keck School of Medicine (class of 2007). 161 Medicare patients in 2024, $38,003 paid; nearly all of their 172 Part D prescriptions were generic (91%).
Overview
| NPI | 1881852366 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 30, 2008 |
| Last updated in NPPES | Oct 29, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 266959 | NY |
| Ophthalmology | 207W00000X | A117305 | CA |
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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 416 across 22 procedure codes |
| Paid by Medicare | $38,003 |
Part D prescriptions in 2024
| Prescriptions (claims) | 172 · 278 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $10,102 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Ophthalmology |
| Telehealth | Offers telehealth |
Medical groups
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
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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All 108 ophthalmologists in Bronx · All ophthalmologists in New York