John M. Lim, M.D.
NPI 1508851346ActiveIndividual· Ophthalmology· Houston, TX
Ophthalmology (M.D.) in Houston, Texas, trained at University of Texas Medical School at San Antonio (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $851,894 for 3,388 claims, against $284,175 paid for services in 2024. Alcon Vision LLC was the largest of 7 companies reporting payments in 2025, $805.27 in all, mostly food and beverage.
Overview
| NPI | 1508851346 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 19, 2005 |
| Last updated in NPPES | Mar 19, 2021 |
| Certified by provider | Mar 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G3557 | TX |
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 | 998 |
|---|---|
| Services billed | 2,194 across 23 procedure codes |
| Paid by Medicare | $284,175 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,388 · 5,748 30-day fills |
|---|---|
| Patients | 864 |
| Total drug cost | $851,894 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Ophthalmology |
Medical group
- Hea Clinic PAShenandoah, TX · 42 clinicians
Industry payments (Open Payments)
- 2025$805.27 · 28 payments from 7 companies
- 2024$713.02 · 31 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $281.62 | 4 |
| Bausch & Lomb Americas Inc. | $220.45 | 7 |
| Abbvie Inc. | $158.19 | 11 |
| Tarsus Pharmaceuticals, Inc. | $60.65 | 2 |
| Amgen Inc. | $36.11 | 2 |
What the 2025 payments were for
- Food and Beverage$805.27 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other ophthalmologists in Houston
- 1003914151
- 1023271582
- 1033108410
- 1033169842
- 1033391362
- 1043566839
- 1053319301
- 1053638312
- 1063651115
- 1063788446
- 1073075404
- 1073508164
All 341 ophthalmologists in Houston · All ophthalmologists in Texas