Karen Shih, M.D.
NPI 1750565982ActiveIndividual· Ophthalmology· Sunnyvale, CA
Ophthalmology (M.D.) in Sunnyvale, California, trained at University of California, San Francisco School of Medicine (class of 2004). In 2024 Medicare paid $284,948 for 591 patients, and Part D covered 2,809 of their prescriptions, 64% of them generic. Alcon Vision LLC reported $34.78 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1750565982 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 24, 2007 |
| Last updated in NPPES | Dec 7, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A93631 | 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 | 591 |
|---|---|
| Services billed | 2,825 across 28 procedure codes |
| Paid by Medicare | $284,948 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,809 · 4,776 30-day fills |
|---|---|
| Patients | 542 |
| Total drug cost | $211,131 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Ophthalmology |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$34.78 · 1 payment from 1 company
- 2024$40.98 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $34.78 | 1 |
What the 2025 payments were for
- Food and Beverage$34.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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