William R. Freeman, M.D.
NPI 1518983352ActiveIndividual· Ophthalmology· San Diego, CA
Ophthalmology (M.D.) in San Diego, California, trained at Icahn School of Medicine at Mount Sinai (class of 1979). In 2024 Medicare paid $1,243,767 for 570 patients, and Part D covered 138 of their prescriptions, 87% of them generic. Genentech, Inc. reported $22.94 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1518983352 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Apr 23, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G51579 | 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 | 570 |
|---|---|
| Services billed | 21,080 across 42 procedure codes |
| Paid by Medicare | $1,243,767 |
Part D prescriptions in 2024
| Prescriptions (claims) | 138 · 220 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $8,299 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Ophthalmology |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliation
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$22.94 · 1 payment from 1 company
- 2024$541.75 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $22.94 | 1 |
What the 2025 payments were for
- Food and Beverage$22.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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