Jeffrey Armstrong, M.D.
NPI 1649228263 · Anesthesiology Physician · San Antonio, TX
Jeffrey Armstrong, M.D. is a Anesthesiology Physician provider in San Antonio, TX (NPI 1649228263).
Provider details
- NPI number
- 1649228263
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- H3977 (TX)
Specialties & taxonomies
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
- 2006-05-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Armstrong's NPI number?
- Jeffrey Armstrong's National Provider Identifier (NPI) is 1649228263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Armstrong's specialty?
- Jeffrey Armstrong is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Armstrong located?
- Jeffrey Armstrong's practice location on file with NPPES is 4242 Medical Dr, San Antonio, TX 78229-5640.
- What is Jeffrey Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Armstrong is (210) 615-1187.
- Is Jeffrey Armstrong's NPI active?
- Yes — Jeffrey Armstrong's NPI (1649228263) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.