Doctor profile · Federal record
Dr. Wing Sun Tam, M.D. (M.B., Ch.B.)
Internal Medicine Physician (CMS: Internal Medicine) · San Antonio, TX
- NPI 1811396633
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7400 Merton Minter St
San Antonio, TX 782294404
(210) 617-5300
Credentials & registration
- NPI registered
- August 2014 — 12 yrs on file
- Profile last updated
- August 3, 2020
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #S2911
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811396633. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
15
Distinct HCPCS
1
Medicare allowed
$3,071
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 15 | 15 | $205 |
In context: peer comparison
Among 172 peers in this city , average services per provider: 137. This provider delivers 0.1× the peer median.Frequently asked questions
What is Dr. Wing Sun Tam's medical specialty?
Dr. Wing Sun Tam practices Internal Medicine Physician in San Antonio, TX.
Where does Dr. Wing Sun Tam practice?
Dr. Wing Sun Tam practices at 7400 Merton Minter St, San Antonio, TX 782294404. Office phone: 2106175300.
What is Dr. Wing Sun Tam's NPI?
Dr. Wing Sun Tam's National Provider Identifier (NPI) is 1811396633, issued by NPPES.
Does Dr. Wing Sun Tam accept Medicare assignment?
Yes. Dr. Wing Sun Tam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wing Sun Tam commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.