Gerri Armstrong-Walker, PSY.D
NPI 1255579363 · Clinical Child & Adolescent Psychologist · San Jose, CA
Gerri Armstrong-Walker, PSY.D is a Clinical Child & Adolescent Psychologist provider in San Jose, CA (NPI 1255579363).
Provider details
- NPI number
- 1255579363
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 22100 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-01-27
- Last updated
- 2009-02-02
Frequently asked questions
- What is Gerri Armstrong-Walker's NPI number?
- Gerri Armstrong-Walker's National Provider Identifier (NPI) is 1255579363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerri Armstrong-Walker's specialty?
- Gerri Armstrong-Walker is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Gerri Armstrong-Walker located?
- Gerri Armstrong-Walker's practice location on file with NPPES is 3500 Zanker Rd, San Jose, CA 95134-2201.
- What is Gerri Armstrong-Walker's phone number?
- The practice phone number listed in the NPPES registry for Gerri Armstrong-Walker is (408) 210-4467.
- Is Gerri Armstrong-Walker's NPI active?
- Yes — Gerri Armstrong-Walker's NPI (1255579363) is active in the NPPES registry as of the last update on 2009-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.