Wing Sun Tam, M.D. (M.B., CH.B.)
NPI 1811396633 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wing Sun Tam, M.D. (M.B., CH.B.) is a Internal Medicine Physician provider in San Antonio, TX (NPI 1811396633).
Provider details
- NPI number
- 1811396633
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. (M.B., CH.B.)
- Sex
- Male
- Sole proprietor
- No
- License
- S2911 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-18
- Last updated
- 2020-08-03
- Certified
- 2020-08-03
Frequently asked questions
- What is Wing Sun Tam's NPI number?
- Wing Sun Tam's National Provider Identifier (NPI) is 1811396633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wing Sun Tam's specialty?
- Wing Sun Tam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wing Sun Tam located?
- Wing Sun Tam's practice location on file with NPPES is 7400 Merton Minter St, San Antonio, TX 78229-4404.
- What is Wing Sun Tam's phone number?
- The practice phone number listed in the NPPES registry for Wing Sun Tam is (210) 617-5300.
- Does Wing Sun Tam accept Medicare?
- Wing Sun Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wing Sun Tam's NPI active?
- Yes — Wing Sun Tam's NPI (1811396633) is active in the NPPES registry as of the last update on 2020-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.