John William Hallisey, M.D.
NPI 1467500686ActiveIndividual· Ophthalmology· San Luis Obispo, CA
Ophthalmology (M.D.) in San Luis Obispo, California, trained at University of California, Davis School of Medicine (class of 1972). In 2024 Medicare paid $43,444 for 189 patients, and Part D covered 349 of their prescriptions, 68% of them generic. Amgen Inc. reported $24.61 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1467500686 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 5, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G25366 | 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 | 189 |
|---|---|
| Services billed | 852 across 22 procedure codes |
| Paid by Medicare | $43,444 |
Part D prescriptions in 2024
| Prescriptions (claims) | 349 · 620 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $29,094 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Ophthalmology |
Medical group
- Limberg Eye Surgery A Medical CorporationSan Luis Obispo, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$24.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $24.61 | 1 |
What the 2025 payments were for
- Food and Beverage$24.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 ophthalmologists in San Luis Obispo · All ophthalmologists in California