NPI age
19 years
Enumerated 2006-07-24
● Active
Type 1 · Individual
DR. Adi Klein, MD
Klein is 1 of 262 hospitalist providers in San Antonio and 1 of 1835 in Texas.
Primary specialty
Hospitalist
Plus 2 subspecialties
Licensed in
TX, CA, KY
3 states
Status
Active
No deactivations on record
Last NPPES update
2021-07-30
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
3 states
Top 74% — 25% of peers are multi-state
Subspecialties
1
In the 78% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
3551 Roger Brooke Dr
San Antonio, TX 782344504
Mailing address
21826 Roan Blf
San Antonio, TX 782592739
Additional practice locations
1 secondary location on file with NPPES.
Location 2
2827 Babcock Rd, Hospitalist Office
San Antonio, TX 782294813
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 |
|---|---|---|
| 05 (TX) | 214064201 | |
| 01 (KY) | 48721 | LICENSE |
| 01 (TX) | N6427 | LICENSE |
| 01 (CA) | A71260 | MEDICAL LICENSE |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 365 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.
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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.