Patrick Tso, MD
NPI 1932284601ActiveIndividual· Ophthalmology· Fremont, CA
Ophthalmology (MD) in Fremont, California, trained at University of California, San Diego School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $226,552 for 3,306 claims, against $770.49 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 3 companies reporting payments in 2025, $496.22 in all, mostly food and beverage.
Overview
| NPI | 1932284601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 25, 2006 |
| Last updated in NPPES | Jan 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G83697 | 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 | 11 |
|---|---|
| Services billed | 13 across 11 procedure codes |
| Paid by Medicare | $770.49 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,306 · 8,063 30-day fills |
|---|---|
| Patients | 897 |
| Total drug cost | $226,552 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Ophthalmology |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2025$496.22 · 4 payments from 3 companies
- 2024$47.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $245.55 | 2 |
| Johnson & Johnson Surgical Vision, Inc. | $141.40 | 1 |
| Tarsus Pharmaceuticals, Inc. | $109.27 | 1 |
What the 2025 payments were for
- Food and Beverage$496.22 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other ophthalmologists in Fremont
- 1043304173
- 1245341700
- 1376749713
- 1386106441
- 1598781403
- 1730321423
- 1811997646
- 1871504605
- 1891928008
- 1972958866
- 1386822112
- 1568483964
All 29 ophthalmologists in Fremont · All ophthalmologists in California