Mei San Lam, O.D.
NPI 1356774392ActiveIndividual· Optometrist· Wichita Falls, TX
Optometrist (O.D.) with Drcs Group, Inc. and 1 other group, practicing in Wichita Falls, Texas. In 2024 Medicare paid $18,353 for 127 patients, and Part D covered 96 of their prescriptions, 46% of them generic. Biotissue Holdings Inc. was the largest of 5 companies reporting payments in 2025, $705.80 in all, mostly food and beverage.
Overview
| NPI | 1356774392 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Aug 13, 2013 |
| Last updated in NPPES | Apr 14, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 8299T | 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 - Optometry (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 307 across 15 procedure codes |
| Paid by Medicare | $18,353 |
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 160 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $17,240 |
| Generic share | 46% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Optometry |
Medical groups
- Drcs Group, Inc.Fort Worth, TX · 6 clinicians
- The Eye Group of Texas, LLCSouthlake, TX · 5 clinicians
Industry payments (Open Payments)
- 2025$705.80 · 6 payments from 5 companies
- 2024$654.98 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotissue Holdings Inc. | $181.87 | 2 |
| Recor Medical Inc | $164.56 | 1 |
| Sight Sciences, Inc. | $141.45 | 1 |
| Sun Pharmaceutical Industries Inc. | $110.78 | 1 |
| Harrow Eye, LLC | $107.14 | 1 |
What the 2025 payments were for
- Food and Beverage$705.80 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 optometrists in Wichita Falls · All optometrists in Texas