John Hannan, PH.D
NPI 1770782484 · Counseling Psychologist · San Bruno, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hannan, PH.D is a Counseling Psychologist provider in San Bruno, CA (NPI 1770782484).
Provider details
- NPI number
- 1770782484
- Entity type
- Individual
- Primary specialty
- Counseling PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- PSY21493 (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
18 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
- 2007-07-12
- Last updated
- 2022-01-11
Frequently asked questions
- What is John Hannan's NPI number?
- John Hannan's National Provider Identifier (NPI) is 1770782484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hannan's specialty?
- John Hannan is listed in the NPPES registry with a primary specialty of Counseling Psychologist (Behavioral Health & Social Service Providers).
- Where is John Hannan located?
- John Hannan's practice location on file with NPPES is 1001 Sneath Ln, San Bruno, CA 94066-2308.
- What is John Hannan's phone number?
- The practice phone number listed in the NPPES registry for John Hannan is (650) 616-6200.
- Does John Hannan accept Medicare?
- John Hannan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hannan's NPI active?
- Yes — John Hannan's NPI (1770782484) is active in the NPPES registry as of the last update on 2022-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.