IndividualActive
Gerald Piaget, PHD
NPI 1568599868 · Psychologist · Portola Valley, CA
Gerald Piaget, PHD is a Psychologist provider in Portola Valley, CA (NPI 1568599868).
Provider details
- NPI number
- 1568599868
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY3819 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
4370 Alpine Rd Ste 209
Portola Valley, CA 94028-7953
Phone: (650) 851-8411
Street-level locationGet directions
Mailing address
430 Minoca Rd
Portola Valley, CA 94028-7767
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2007-08-07
Frequently asked questions
- What is Gerald Piaget's NPI number?
- Gerald Piaget's National Provider Identifier (NPI) is 1568599868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Piaget's specialty?
- Gerald Piaget is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gerald Piaget located?
- Gerald Piaget's practice location on file with NPPES is 4370 Alpine Rd Ste 209, Portola Valley, CA 94028-7953.
- What is Gerald Piaget's phone number?
- The practice phone number listed in the NPPES registry for Gerald Piaget is (650) 851-8411.
- Is Gerald Piaget's NPI active?
- Yes — Gerald Piaget's NPI (1568599868) is active in the NPPES registry as of the last update on 2007-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.