NPI age
19 years
Enumerated 2006-08-24
● Active
Type 1 · Individual
Eric Fein, MD
Fein is 1 of 262 hospitalist providers in San Antonio and 1 of 1835 in Texas.
Primary specialty
Hospitalist
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2008-06-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1835 active hospitalist providers in Texas.
NPI age
19 years
↑ 7 yr above median (12 yr)
State licenses
1 state
25% of peers hold multiple states
Subspecialties
1
In the 78% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
527 N Leona St
San Antonio, TX 782073110
Mailing address
Uthscsa, Uthscsa, Dept. Of Medicine, 7703 Floyd Curl Drive, Rm 5.069r
San Antonio, TX 78229
Specialties
-
Hospitalist PrimaryHospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 036739302 | CSHCN |
| 05 (TX) | 036739301 |
Practice context
Part of a multi-provider practice. 41 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new hospitalist provider has been added in San Antonio in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 1835 Hospitalist providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- 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.