Alejandra Diaz
NPI 1922578657 · Physician Assistant · Modesto, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alejandra Diaz is a Physician Assistant provider in Modesto, CA (NPI 1922578657).
Provider details
- NPI number
- 1922578657
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 35585 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2018-11-26
- Last updated
- 2025-05-12
- Certified
- 2025-05-12
Frequently asked questions
- What is Alejandra Diaz's NPI number?
- Alejandra Diaz's National Provider Identifier (NPI) is 1922578657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alejandra Diaz's specialty?
- Alejandra Diaz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alejandra Diaz located?
- Alejandra Diaz's practice location on file with NPPES is 4601 Dale Rd, Modesto, CA 95356-9718.
- What is Alejandra Diaz's phone number?
- The practice phone number listed in the NPPES registry for Alejandra Diaz is (209) 735-0000.
- Does Alejandra Diaz accept Medicare?
- Alejandra Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alejandra Diaz's NPI active?
- Yes — Alejandra Diaz's NPI (1922578657) is active in the NPPES registry as of the last update on 2025-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.