NPI age
19 years
Enumerated 2007-01-29
● Active
Type 1 · Individual
DR. Marvin H. Eng, MD
Eng is 1 of 66 internal medicine providers in San Antonio and 1 of 883 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, CO, CA
3 states
Status
Active
No deactivations on record
Last NPPES update
2011-11-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 883 active internal medicine providers in Texas.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
3 states
Top 78% — 21% of peers are multi-state
Subspecialties
1
In the 72% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-01Enumerated in NPPES
2007
2026
Where they practice
Practice location
8300 Floyd Curl Dr, 3rd Floor -3b
San Antonio, TX 782293931
Mailing address
7703 Floyd Curl Dr, Mc7977
San Antonio, TX 782293901
Specialties
-
Internal Medicine PrimaryAn area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 284269201 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 240 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.