Gerald Quimby, PSY.D.
NPI 1154551505 · Psychologist · Vacaville, CA
Enrolled with Medicare as Order and Referring Only - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Quimby, PSY.D. is a Psychologist provider in Vacaville, CA (NPI 1154551505).
Provider details
- NPI number
- 1154551505
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MH5487 (FL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
- 2009-07-20
- Last updated
- 2023-06-06
- Certified
- 2023-06-06
Frequently asked questions
- What is Gerald Quimby's NPI number?
- Gerald Quimby's National Provider Identifier (NPI) is 1154551505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Quimby's specialty?
- Gerald Quimby is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gerald Quimby located?
- Gerald Quimby's practice location on file with NPPES is 214 Rolling Sage Cir, Vacaville, CA 95688-9593.
- What is Gerald Quimby's phone number?
- The practice phone number listed in the NPPES registry for Gerald Quimby is (808) 892-2501.
- Does Gerald Quimby accept Medicare?
- Gerald Quimby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Quimby's NPI active?
- Yes — Gerald Quimby's NPI (1154551505) is active in the NPPES registry as of the last update on 2023-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.