NPI age
20 years
Enumerated 2005-09-09
● Active
Type 1 · Individual
DR. Rafael Manuel Santiago, M.D.
Santiago is 1 of 7 internal medicine providers in San Antonio and 1 of 114 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
MO, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-09-07
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 114 active internal medicine providers in Texas.
NPI age
20 years
↑ 4 yr above median (16 yr)
State licenses
2 states
Top 90% — 9% of peers are multi-state
Subspecialties
1
In the 50% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-09Enumerated in NPPES
2005
2026
Where they practice
Practice location
3551 Roger Brooke Dr
San Antonio, TX 782344504
Mailing address
3551 Roger Brooke Dr
San Antonio, TX 782344504
Specialties
-
Internal Medicine PrimaryAn Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders....
-
SpecialistAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 163091501 |
Multi-state credentialing: Licensed in 2 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.
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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.