Michael Kai-Jia Lam, M.D.
NPI 1548200835ActiveIndividual· Ophthalmology, Retina Specialist· Houston, TX
Ophthalmology, Retina Specialist (M.D.) in Houston, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1994). In 2024 Medicare paid $2,433,965 for 581 patients, and Part D covered 925 of their prescriptions, 59% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 6 companies reporting payments in 2025, $624.61 in all, mostly food and beverage.
Overview
| NPI | 1548200835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Mar 23, 2023 |
| Certified by provider | Mar 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | K6076 | TX |
| Ophthalmology | 207W00000X | K6076 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 581 |
|---|---|
| Services billed | 50,275 across 41 procedure codes |
| Paid by Medicare | $2,433,965 |
Part D prescriptions in 2024
| Prescriptions (claims) | 925 · 1,407 30-day fills |
|---|---|
| Patients | 308 |
| Total drug cost | $443,978 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Ophthalmology |
Medical group
- Houston Retina Associates PAWebster, TX · 6 clinicians
Hospital affiliation
- Houston Methodist HospitalHouston, TX
Industry payments (Open Payments)
- 2025$624.61 · 22 payments from 6 companies
- 2024$1,200 · 28 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $320.55 | 10 |
| Astellas Pharma US Inc | $159.95 | 6 |
| Genentech USA, Inc. | $87.16 | 3 |
| Mallinckrodt Hospital Products Inc. | $20.49 | 1 |
| Tarsus Pharmaceuticals, Inc. | $19.88 | 1 |
What the 2025 payments were for
- Food and Beverage$624.61 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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