Joanna Mendoza
NPI 1477920494 · Psychologist · Concord, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Mendoza is a Psychologist provider in Concord, CA (NPI 1477920494).
Provider details
- NPI number
- 1477920494
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2015-08-25
- Last updated
- 2022-01-03
- Certified
- 2021-08-17
Frequently asked questions
- What is Joanna Mendoza's NPI number?
- Joanna Mendoza's National Provider Identifier (NPI) is 1477920494, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Mendoza's specialty?
- Joanna Mendoza is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Joanna Mendoza located?
- Joanna Mendoza's practice location on file with NPPES is 2425 Bisso Ln, Concord, CA 94520-4897.
- What is Joanna Mendoza's phone number?
- The practice phone number listed in the NPPES registry for Joanna Mendoza is (925) 642-1141.
- Does Joanna Mendoza accept Medicare?
- Joanna Mendoza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Mendoza's NPI active?
- Yes — Joanna Mendoza's NPI (1477920494) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.