Grace Tseng, O.D.
NPI 1780208330ActiveIndividual· Optometrist· Berkeley, CA
Optometrist (O.D.) in Berkeley, California, trained at New England College of Optometry (class of 2020). Mostly services rather than prescriptions: Medicare paid $18,340 for 87 patients in 2024, with only 47 Part D claims. Tarsus Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $953.25 in all, mostly food and beverage.
Overview
| NPI | 1780208330 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | May 29, 2020 |
| Last updated in NPPES | Aug 14, 2020 |
| Certified by provider | Aug 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 34634 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | 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 - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 245 across 20 procedure codes |
| Paid by Medicare | $18,340 |
Part D prescriptions in 2024
| Prescriptions (claims) | 47 · 61 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $9,750 |
| Generic share | 30% of claims |
Education and affiliations
| Medical school | New England College of Optometry |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Optometry |
Medical group
- Mendelson and Mark Optometric CorporationSunnyvale, CA · 8 clinicians
Industry payments (Open Payments)
- 2025$953.25 · 37 payments from 8 companies
- 2024$1,068 · 46 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $358.24 | 25 |
| Johnson & Johnson Vision Care, Inc. | $177.31 | 2 |
| Visioneering Technologies, Inc. | $119.13 | 1 |
| Coopervision Inc. | $97.58 | 1 |
| Alcon Vision LLC | $79.48 | 4 |
What the 2025 payments were for
- Food and Beverage$953.25 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 133 optometrists in Berkeley · All optometrists in California