NPI age
14 years
Enumerated 2012-05-15
● Active
Type 1 · Individual
Sarah San Young Shafer, MD
Shafer is 1 of 915 emergency medicine providers in Houston and 1 of 6039 in Texas.
Primary specialty
Emergency Medicine
Plus 3 subspecialties
Licensed in
TX, IA
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-10-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6039 active emergency medicine providers in Texas.
NPI age
14 years
≈ at median (15 yr)
State licenses
2 states
Top 82% — 17% of peers are multi-state
Subspecialties
1
In the 43% of peers with subspecialties
NPI lifetime · 2012 → 2026
2012-05Enumerated in NPPES
2012
2026
Where they practice
Practice location
1515 Holcombe Blvd
Houston, TX 770304000
Mailing address
Po Box 4439
Houston, TX 772104439
Specialties
-
Emergency Medicine PrimaryAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
-
Emergency MedicineMedical toxicologists are physicians who specialize in the prevention, evaluation, treatment and monitoring of injury and illness from exposures to drugs and chemicals, as well as biological and radiological agents. Medical...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 369371510 | MEDICAID-CSHCN |
| 01 (TX) | 8MA199 | BCBS |
| 05 (TX) | 369371509 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 3675 other active providers share this practice address in NPPES.
Recently enumerated nearby: 5 new emergency medicine providers have been added in Houston in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 6039 Emergency Medicine 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.