Wilson W. Lam, MD
NPI 1427239938ActiveIndividual· Internal Medicine, Cardiovascular Disease· Houston, TX
Internal Medicine, Cardiovascular Disease (MD) in Houston, Texas, trained at Baylor College of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $364,904 for 417 claims, against $13,719 paid for services in 2024. Impulse Dynamics (USA) Inc. was the largest of 5 companies reporting payments in 2025, $7,934 in all, mostly consulting fees.
Overview
| NPI | 1427239938 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 27, 2007 |
| Last updated in NPPES | Jul 8, 2026 |
| Certified by provider | Jul 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | M7350 | TX |
| Internal Medicine | 207R00000X | M7350 | TX |
| Pediatrics, Pediatric Cardiology | 2080P0202X | M7350 | TX |
| Internal Medicine, Adult Congenital Heart Disease | 207RA0002X | M7350 | TX |
| Internal Medicine, Clinical Cardiac Electrophysiology | 207RC0001X | M7350 | TX |
| Pediatrics | 208000000X | M7350 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pediatric Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 152 across 47 procedure codes |
| Paid by Medicare | $13,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 417 · 942 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $364,904 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- Baylor College of MedicineThe Woodlands, TX · 1,240 clinicians
- Texas Childrens Physician GroupHouston, TX · 671 clinicians
Hospital affiliations
- Baylor St Lukes Medical CenterHouston, TX
- Texas Childrens HospitalHouston, TX
Industry payments (Open Payments)
- 2025$7,934 · 21 payments from 5 companies
- 2024$777.88 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Impulse Dynamics (USA) Inc. | $7,004 | 8 |
| Biosense Webster, Inc. | $477.57 | 7 |
| Medtronic, Inc. | $304.10 | 2 |
| Cardiva Medical, Inc. | $123.00 | 3 |
| Boston Scientific Corporation | $25.49 | 1 |
What the 2025 payments were for
- Consulting Fee$5,640 · 1 payment
- Food and Beverage$1,710 · 19 payments
- Travel and Lodging$583.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Houston
- 1104014315
- 1518929256
- 1548301252
- 1619113073
- 1124219225
- 1871868497
- 1245410018
- 1023842515
- 1356865737
- 1366611485
- 1508930181
- 1780977132
All Internal Medicine, Cardiovascular Disease providers in Texas →