Alejandro Diaz, MD, MS
NPI 1831329770 · Student in an Organized Health Care Education/Training Program · San Diego, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alejandro Diaz, MD, MS is a Student in an Organized Health Care Education/Training Program provider in San Diego, CA (NPI 1831329770).
Provider details
- NPI number
- 1831329770
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD, MS
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2009-07-24
- Last updated
- 2021-12-01
Frequently asked questions
- What is Alejandro Diaz's NPI number?
- Alejandro Diaz's National Provider Identifier (NPI) is 1831329770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alejandro Diaz's specialty?
- Alejandro Diaz is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Alejandro Diaz located?
- Alejandro Diaz's practice location on file with NPPES is 4060 Fairmount Ave, San Diego, CA 92105-1608.
- What is Alejandro Diaz's phone number?
- The practice phone number listed in the NPPES registry for Alejandro Diaz is (619) 434-7308.
- Does Alejandro Diaz accept Medicare?
- Alejandro Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alejandro Diaz's NPI active?
- Yes — Alejandro Diaz's NPI (1831329770) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.