John C. Canzano, M.D.
NPI 1134232648ActiveIndividual· Ophthalmology· Stockton, CA
Ophthalmology (M.D.) in Stockton, California, trained at Emory University School of Medicine (class of 1994). In 2024 Medicare paid $1,876,865 for 1,806 patients, and Part D covered 3,052 of their prescriptions, 39% of them generic. Rxsight Inc was the largest of 9 companies reporting payments in 2025, $526.34 in all, mostly food and beverage.
Overview
| NPI | 1134232648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 17, 2006 |
| Last updated in NPPES | Jul 17, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A55787 | 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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,806 |
|---|---|
| Services billed | 56,455 across 47 procedure codes |
| Paid by Medicare | $1,876,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,052 · 5,171 30-day fills |
|---|---|
| Patients | 1,182 |
| Total drug cost | $443,642 |
| Generic share | 39% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Ophthalmology |
Medical group
- Zeiter Eye Medical Group IncStockton, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$526.34 · 17 payments from 9 companies
- 2024$642.87 · 27 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rxsight Inc | $108.94 | 1 |
| Genentech USA, Inc. | $100.04 | 4 |
| Alcon Vision LLC | $95.50 | 4 |
| Biotissue Holdings Inc. | $78.30 | 2 |
| Tarsus Pharmaceuticals, Inc. | $48.27 | 2 |
What the 2025 payments were for
- Food and Beverage$526.34 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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