Annie Chan, M.D.
NPI 1518129956ActiveIndividual· Ophthalmology· Oklahoma City, OK
Ophthalmology (M.D.) in Oklahoma City, Oklahoma, trained at University of Texas Medical School at San Antonio (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $445,271 for 589 claims, against $83,042 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 12 companies reporting payments in 2025, $1,095 in all, mostly food and beverage.
Overview
| NPI | 1518129956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2008 |
| Last updated in NPPES | Jun 14, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 27125 | OK |
| Student in an Organized Health Care Education/Training Program | 390200000X | 0116020749 | VA |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 984 across 39 procedure codes |
| Paid by Medicare | $83,042 |
Part D prescriptions in 2024
| Prescriptions (claims) | 589 · 772 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $445,271 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Ophthalmology |
Medical group
- Eye Institute of AustinAustin, TX · 9 clinicians
Industry payments (Open Payments)
- 2025$1,095 · 40 payments from 12 companies
- 2024$585.56 · 17 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $176.27 | 6 |
| Abbvie Inc. | $143.36 | 6 |
| Harrow Eye, LLC | $122.63 | 5 |
| Rxsight Inc | $116.84 | 1 |
| Bausch & Lomb Americas Inc. | $109.17 | 5 |
What the 2025 payments were for
- Food and Beverage$1,095 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 128 ophthalmologists in Oklahoma City · All ophthalmologists in Oklahoma