NPI age
19 years
Enumerated 2006-06-18
● Active
Type 1 · Individual
Tiffany Dawn Riordan, M.D.
Riordan is 1 of 8 emergency medicine providers in Brenham and 1 of 6039 in Texas.
Primary specialty
Emergency Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-09-05
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
19 years
↑ 4 yr above median (15 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
0
43% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
700 Medical Pkwy
Brenham, TX 778335413
Mailing address
Rco Provider Enrollment, 2401 S 31st St MS-Ar-M200
Temple, TX 765080001
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....
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (PA) | 20055495 | AMERIHEALTH MERCY-YH |
| 01 (PA) | P00341561 | RAILROAD MEDICARE |
| 01 (PA) | 2592 | GEISINGER-YH |
| 01 (PA) | 1865780 | HIGHMARK BLUE SHIELD-YH |
| 01 (PA) | 50067239 | CAPITAL BLUE CROSS-YH |
| 01 (PA) | 203883 | JOHNS HOPKINS |
| 05 (PA) | 101648686 | |
| 01 (PA) | 1548643 | GATEWAY-YH |
| 01 (PA) | 200941 | UNISON YH |
| 01 (PA) | 2724605000 | AMERIHEALTH 65 PA-YH |
Practice context
Part of a multi-provider practice. 26 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.