Enchun Liu, MD
NPI 1285878983 · Retina Specialist (Ophthalmology) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Enchun Liu, MD is a Retina Specialist (Ophthalmology) Physician provider in San Antonio, TX (NPI 1285878983).
Provider details
- NPI number
- 1285878983
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2013012522 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,410 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 725 | $40 |
| Established Patient Complete Exam of Visual System92014 | 561 | $125 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 393 | $25 |
| Injection of Drug Into Eye67028 | 392 | $119 |
| Established Patient Problem Focused Exam of Visual System92012 | 102 | $89 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 69 | $16 |
| New Patient Complete Exam of Visual System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 166 | 79 |
| Timolol Maleate | 142 | 51 |
| Latanoprost | 140 | 34 |
| Ketorolac Tromethamine | 61 | 26 |
| Dorzolamide Hcl | 49 | 14 |
| Brimonidine Tartrate/Timololbrand: Combigan | 30 | — |
| Brimonidine Tartrate | 28 | — |
| Brimonidine Tartrate/Timolol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$610 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 6801 Mcpherson RdSte 338Laredo, TX 78041-6402Phone: (956) 722-5200Fax: (956) 722-5250
- 315 N San SabaSuite 924San Antonio, TX 78207-3154Phone: (210) 615-7600Fax: (210) 615-8505
Registry dates
- Enumerated
- 2009-04-24
- Last updated
- 2019-08-12
Frequently asked questions
- What is Enchun Liu's NPI number?
- Enchun Liu's National Provider Identifier (NPI) is 1285878983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Enchun Liu's specialty?
- Enchun Liu is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Enchun Liu located?
- Enchun Liu's practice location on file with NPPES is 9910 Huebner Rd, San Antonio, TX 78240-1342.
- What is Enchun Liu's phone number?
- The practice phone number listed in the NPPES registry for Enchun Liu is (210) 615-7600.
- Does Enchun Liu accept Medicare?
- Enchun Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Enchun Liu's NPI active?
- Yes — Enchun Liu's NPI (1285878983) is active in the NPPES registry as of the last update on 2019-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.