John Sorrell, PHD
NPI 1417166695 · Clinical Psychologist · South San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Sorrell, PHD is a Clinical Psychologist provider in South San Francisco, CA (NPI 1417166695).
Provider details
- NPI number
- 1417166695
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY 21440 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 222 W 39th AveSan Mateo, CA 94403-4364Phone: (650) 573-3564Fax: (650) 571-7802
- 200 Butcher RdVacaville, CA 95687-5616Phone: (888) 660-4243
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2025-05-20
- Certified
- 2025-05-20
Frequently asked questions
- What is John Sorrell's NPI number?
- John Sorrell's National Provider Identifier (NPI) is 1417166695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sorrell's specialty?
- John Sorrell is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Sorrell located?
- John Sorrell's practice location on file with NPPES is 405 Grand Ave Ste 208b, South San Francisco, CA 94080-3613.
- What is John Sorrell's phone number?
- The practice phone number listed in the NPPES registry for John Sorrell is (650) 773-4764.
- Does John Sorrell accept Medicare?
- John Sorrell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Sorrell's NPI active?
- Yes — John Sorrell's NPI (1417166695) is active in the NPPES registry as of the last update on 2025-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.