Gustavo Armaiz-Pena, M.D.
NPI 1205271095 · Endocrinology, Diabetes & Metabolism Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gustavo Armaiz-Pena, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in San Antonio, TX (NPI 1205271095).
Provider details
- NPI number
- 1205271095
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- S1976 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
13 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
- 2013-05-07
- Last updated
- 2025-08-14
- Certified
- 2025-08-14
Frequently asked questions
- What is Gustavo Armaiz-Pena's NPI number?
- Gustavo Armaiz-Pena's National Provider Identifier (NPI) is 1205271095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gustavo Armaiz-Pena's specialty?
- Gustavo Armaiz-Pena is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Gustavo Armaiz-Pena located?
- Gustavo Armaiz-Pena's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Gustavo Armaiz-Pena's phone number?
- The practice phone number listed in the NPPES registry for Gustavo Armaiz-Pena is (210) 358-4000.
- Does Gustavo Armaiz-Pena accept Medicare?
- Gustavo Armaiz-Pena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gustavo Armaiz-Pena's NPI active?
- Yes — Gustavo Armaiz-Pena's NPI (1205271095) is active in the NPPES registry as of the last update on 2025-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.