Enchun Mike Liu, MD
NPI 1285878983ActiveIndividual· Ophthalmology, Retina Specialist· San Antonio, TX
Ophthalmology, Retina Specialist (MD) in San Antonio, Texas, trained at University of Texas Medical Branch at Galveston (class of 2009). In 2024 Medicare paid $730,609 for 425 patients, and Part D covered 900 of their prescriptions, 58% of them generic. Apellis Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $467.87 in all, mostly food and beverage.
Overview
| NPI | 1285878983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 24, 2009 |
| Last updated in NPPES | Aug 12, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | Q3399 | TX |
| Ophthalmology | 207W00000X | 2013012522 | MO |
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 | 425 |
|---|---|
| Services billed | 11,415 across 40 procedure codes |
| Paid by Medicare | $730,609 |
Part D prescriptions in 2024
| Prescriptions (claims) | 900 · 1,348 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $53,391 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Ophthalmology |
Medical group
- Retina Associates of South Texas PASan Antonio, TX · 5 clinicians
Hospital affiliation
- Methodist HospitalSan Antonio, TX
Industry payments (Open Payments)
- 2025$467.87 · 10 payments from 7 companies
- 2024$610.40 · 11 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $257.64 | 2 |
| Alcon Vision LLC | $60.35 | 2 |
| Genentech USA, Inc. | $56.54 | 2 |
| Harrow Eye, LLC | $38.47 | 1 |
| Ani Pharmaceuticals, Inc. | $19.64 | 1 |
What the 2025 payments were for
- Food and Beverage$467.87 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 Ophthalmology, Retina Specialist providers in San Antonio · All Ophthalmology, Retina Specialist providers in Texas