Diego Inzunza
NPI 1336617174 · Physician Assistant · Castro Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diego Inzunza is a Physician Assistant provider in Castro Valley, CA (NPI 1336617174).
Provider details
- NPI number
- 1336617174
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing 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
83% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 3100 Telegraph AveOakland, CA 94609-3239Phone: (800) 607-6377
Registry dates
- Enumerated
- 2018-11-09
- Last updated
- 2021-12-17
- Certified
- 2021-12-17
Frequently asked questions
- What is Diego Inzunza's NPI number?
- Diego Inzunza's National Provider Identifier (NPI) is 1336617174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diego Inzunza's specialty?
- Diego Inzunza is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diego Inzunza located?
- Diego Inzunza's practice location on file with NPPES is 20642 John Dr, Castro Valley, CA 94546-5103.
- What is Diego Inzunza's phone number?
- The practice phone number listed in the NPPES registry for Diego Inzunza is (510) 581-2559.
- Does Diego Inzunza accept Medicare?
- Diego Inzunza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diego Inzunza's NPI active?
- Yes — Diego Inzunza's NPI (1336617174) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.