NPI age
19 years
Enumerated 2006-07-11
● Active
Type 1 · Individual
Mark T Ogden, DO
Ogden is 1 of 24 emergency medicine providers in San Antonio and 1 of 421 in Texas.
Primary specialty
Emergency Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2009-12-07
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 421 active emergency medicine providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
1 state
6% of peers hold multiple states
Subspecialties
1
In the 30% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
111 Dallas St, Emergency Room
San Antonio, TX 782051201
Mailing address
Po Box 12740
Westminster, CA 926852740
Specialties
-
Emergency Medicine PrimaryAn emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
-
Emergency MedicineAn 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 (TX) | 8W4062 | BCBS |
| 05 (TX) | 183200802 | |
| 05 (TX) | 183200805 | |
| 01 (TX) | 8AB501 | BCBS |
| 05 (TX) | 183200801 |
Practice context
Part of a multi-provider practice. 109 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.