Gary Shaller, PH.D.
NPI 1841520079 · Clinical Psychologist · Richmond, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Shaller, PH.D. is a Clinical Psychologist provider in Richmond, CA (NPI 1841520079).
Provider details
- NPI number
- 1841520079
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY21957 (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
16 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
- 2010-01-11
- Last updated
- 2021-12-30
Frequently asked questions
- What is Gary Shaller's NPI number?
- Gary Shaller's National Provider Identifier (NPI) is 1841520079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Shaller's specialty?
- Gary Shaller is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary Shaller located?
- Gary Shaller's practice location on file with NPPES is 901 Nevin Ave, Richmond, CA 94801-3143.
- What is Gary Shaller's phone number?
- The practice phone number listed in the NPPES registry for Gary Shaller is (510) 307-1687.
- Does Gary Shaller accept Medicare?
- Gary Shaller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Shaller's NPI active?
- Yes — Gary Shaller's NPI (1841520079) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.