NPI age
20 years
Enumerated 2006-03-21
● Active
Type 1 · Individual
DR. Keith Johnson, M.D.
Johnson is 1 of 446 emergency medicine providers in San Antonio and 1 of 6039 in Texas.
Primary specialty
Emergency Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2011-11-23
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
20 years
↑ 5 yr above median (15 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
1
In the 43% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-03Enumerated in NPPES
2006
2026
Where they practice
Practice location
1904 Grandstand Dr, Suite 400
San Antonio, TX 782384508
Mailing address
28409 Quadrille Ln
Fair Oaks Ranch, TX 780154633
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....
-
Preventive MedicineA preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.
Practice context
Part of a multi-provider practice. 7 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new emergency medicine providers have been added in San Antonio in the last 180 days.
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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.