John B. Christoforidis, M.D.
NPI 1801833447ActiveIndividual· Ophthalmology· Tucson, AZ
Ophthalmology (M.D.) in Tucson, Arizona, trained at Ohio State University College of Medicine (class of 1991). In 2024 Medicare paid $3,411,424 for 1,276 patients, and Part D covered 328 of their prescriptions, 61% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 11 companies reporting payments in 2025, $1,564 in all, mostly food and beverage.
Overview
| NPI | 1801833447 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | Mar 10, 2026 |
| Certified by provider | Mar 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 35.077405 | OH |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,276 |
|---|---|
| Services billed | 95,877 across 39 procedure codes |
| Paid by Medicare | $3,411,424 |
Part D prescriptions in 2024
| Prescriptions (claims) | 328 · 518 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $22,768 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Ophthalmology |
Medical group
- Retina Specialists of Southern Arizona PLLCTucson, AZ · 3 clinicians
Hospital affiliation
- St Joseph's HospitalTucson, AZ
Industry payments (Open Payments)
- 2025$1,564 · 42 payments from 11 companies
- 2024$2,575 · 41 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $577.16 | 10 |
| Astellas Pharma US Inc | $236.17 | 6 |
| Regeneron Healthcare Solutions, Inc. | $208.55 | 4 |
| Genentech USA, Inc. | $181.31 | 8 |
| Harrow Eye, LLC | $80.20 | 3 |
What the 2025 payments were for
- Food and Beverage$1,564 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 133 ophthalmologists in Tucson · All ophthalmologists in Arizona