Joseph T. Fan, M.D.
NPI 1508881715ActiveIndividual· Ophthalmology· Monterey Park, CA
Ophthalmology (M.D.) in Monterey Park, California, trained at University of California, San Diego School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $3,948,265 for 10,948 claims, against $653,827 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 3 companies reporting payments in 2025, $95.43 in all, mostly food and beverage.
Overview
| NPI | 1508881715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Jul 29, 2020 |
| Certified by provider | Jul 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G82302 | 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 | 1,567 |
|---|---|
| Services billed | 7,097 across 40 procedure codes |
| Paid by Medicare | $653,827 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,948 · 15,768 30-day fills |
|---|---|
| Patients | 1,697 |
| Total drug cost | $3,948,265 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Ophthalmology |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliations
- Loma Linda University Medical CenterLoma Linda, CA
- Pih Health Hospital-WhittierWhittier, CA
Industry payments (Open Payments)
- 2025$95.43 · 5 payments from 3 companies
- 2024$622.60 · 36 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $41.85 | 2 |
| Oyster Point Pharma, Inc. | $27.50 | 2 |
| Harrow Eye, LLC | $26.08 | 1 |
What the 2025 payments were for
- Food and Beverage$95.43 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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