Jonathan G. Stock, MD
NPI 1356394712ActiveIndividual· Ophthalmology· Mesa, AZ
Ophthalmology (MD) in Mesa, Arizona, trained at Medical College of Wisconsin (class of 1982). In 2024 Medicare paid $128,798 for 646 patients, and Part D covered 1,650 of their prescriptions, 62% of them generic. Amgen Inc. was the largest of 3 companies reporting payments in 2025, $168.90 in all, mostly food and beverage.
Overview
| NPI | 1356394712 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Nov 11, 2021 |
| Certified by provider | Nov 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 50043 | AZ |
| Ophthalmology | 207W00000X | 26502-020 | WI |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 646 |
|---|---|
| Services billed | 1,398 across 22 procedure codes |
| Paid by Medicare | $128,798 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,650 · 2,791 30-day fills |
|---|---|
| Patients | 545 |
| Total drug cost | $103,946 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Ophthalmology |
Medical group
- Barnet Dulaney Perkins Eye Center, PCSun City, AZ · 105 clinicians
Industry payments (Open Payments)
- 2025$168.90 · 6 payments from 3 companies
- 2024$46.89 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $73.49 | 3 |
| Apellis Pharmaceuticals, Inc. | $60.86 | 2 |
| Genmab U.S., Inc. | $34.55 | 1 |
What the 2025 payments were for
- Food and Beverage$168.90 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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