Stephen L. Tam, MD
NPI 1689738478ActiveIndividual· Internal Medicine· Las Vegas, NV
Internal Medicine (MD) with Vegas Valley Primary Care and 2 other groups, practicing in Las Vegas, Nevada. In 2024 Medicare paid $549,836 for 248 patients, and Part D covered 442 of their prescriptions, 84% of them generic. E.R. Squibb & Sons, L.L.C. reported $219.41 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1689738478 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 19, 2006 |
| Last updated in NPPES | Dec 13, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 12069 | NV |
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 - Internal Medicine (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 248 |
|---|---|
| Services billed | 14,074 across 29 procedure codes |
| Paid by Medicare | $549,836 |
Part D prescriptions in 2024
| Prescriptions (claims) | 442 · 634 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $45,871 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Vegas Valley Primary CareHenderson, NV · 7 clinicians
- Mind Power Behavioral Services LLCLas Vegas, NV · 4 clinicians
- 1st Clark County Medical Clinic LLCLas Vegas, NV · 2 clinicians
Other facilities
- Carepro Home Healthcare ServicesHome health agency · Las Vegas, NV
- St James Home Health Care LLCHome health agency · Las Vegas, NV
Industry payments (Open Payments)
- 2025$219.41 · 1 payment from 1 company
- 2024$3,400 · 20 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $219.41 | 1 |
What the 2025 payments were for
- Travel and Lodging$219.41 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,188 internal medicine physicians in Las Vegas · All internal medicine physicians in Nevada