Man Tai Lam, MD
NPI 1790784692ActiveIndividual· Internal Medicine, Infectious Disease· El Paso, TX
Internal Medicine, Infectious Disease (MD) in El Paso, Texas, licensed in TX, with an NPI issued in July 2005. Their prescriptions cost Medicare Part D more than their services did: $1,718,837 for 670 claims, against $13,132 paid for services in 2024. Viiv Healthcare Company was the largest of 3 companies reporting payments in 2025, $1,013 in all, mostly food and beverage. Lists Las Palmas Medical Center A Campus of Lpds Healthc as a hospital affiliation.
Overview
| NPI | 1790784692 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 21, 2005 |
| Last updated in NPPES | Jan 17, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | F4916 | 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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 234 across 7 procedure codes |
| Paid by Medicare | $13,132 |
Part D prescriptions in 2024
| Prescriptions (claims) | 670 · 743 30-day fills |
|---|---|
| Patients | 82 |
| Total drug cost | $1,718,837 |
| Generic share | 29% of claims |
Education and affiliations
| Graduation year | 1973 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
Industry payments (Open Payments)
- 2025$1,013 · 26 payments from 3 companies
- 2024$935.90 · 16 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $547.57 | 14 |
| Gilead Sciences, Inc. | $373.08 | 8 |
| Merck Sharp & Dohme LLC | $92.29 | 4 |
What the 2025 payments were for
- Food and Beverage$1,013 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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