Alexander Paiva, D.O.
NPI 1104131846 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Paiva, D.O. is a Internal Medicine Physician provider in San Antonio, TX (NPI 1104131846).
Provider details
- NPI number
- 1104131846
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- V4165 (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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 4502 Medical DrSan Antonio, TX 78229-4402Phone: (210) 358-4000
- 7400 Merton Minter St Bldg 1San Antonio, TX 78229-4404Phone: (210) 617-5300
- 4301 Broadway # Cpo121San Antonio, TX 78209-6318Phone: (210) 283-6438
Registry dates
- Enumerated
- 2010-08-17
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Alexander Paiva's NPI number?
- Alexander Paiva's National Provider Identifier (NPI) is 1104131846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Paiva's specialty?
- Alexander Paiva is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Paiva located?
- Alexander Paiva's practice location on file with NPPES is 1715 Mccullough Ave, San Antonio, TX 78212-4046.
- What is Alexander Paiva's phone number?
- The practice phone number listed in the NPPES registry for Alexander Paiva is (210) 225-5323.
- Does Alexander Paiva accept Medicare?
- Alexander Paiva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Paiva's NPI active?
- Yes — Alexander Paiva's NPI (1104131846) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.