Keith Johnson, M.D.
NPI 1912966615 · Emergency Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Johnson, M.D. is a Emergency Medicine Physician provider in San Antonio, TX (NPI 1912966615).
Provider details
- NPI number
- 1912966615
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G3499 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-21
- Last updated
- 2011-11-23
Frequently asked questions
- What is Keith Johnson's NPI number?
- Keith Johnson's National Provider Identifier (NPI) is 1912966615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Johnson's specialty?
- Keith Johnson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Johnson located?
- Keith Johnson's practice location on file with NPPES is 1904 Grandstand Dr, San Antonio, TX 78238-4508.
- What is Keith Johnson's phone number?
- The practice phone number listed in the NPPES registry for Keith Johnson is (210) 520-8071.
- Does Keith Johnson accept Medicare?
- Keith Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Johnson's NPI active?
- Yes — Keith Johnson's NPI (1912966615) is active in the NPPES registry as of the last update on 2011-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.