Paul Mason
NPI 1578796579 · Marriage & Family Therapist · San Leandro, CA
Paul Mason is a Marriage & Family Therapist provider in San Leandro, CA (NPI 1578796579).
Provider details
- NPI number
- 1578796579
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
83% 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
- 2009-08-25
- Last updated
- 2011-03-07
Frequently asked questions
- What is Paul Mason's NPI number?
- Paul Mason's National Provider Identifier (NPI) is 1578796579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Mason's specialty?
- Paul Mason is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Paul Mason located?
- Paul Mason's practice location on file with NPPES is 545 Estudillo Ave, San Leandro, CA 94577-4611.
- What is Paul Mason's phone number?
- The practice phone number listed in the NPPES registry for Paul Mason is (510) 352-9200.
- Is Paul Mason's NPI active?
- Yes — Paul Mason's NPI (1578796579) is active in the NPPES registry as of the last update on 2011-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.