IndividualActive
Michelle Mason, LCSW
NPI 1205043643 · School Social Worker · Pleasanton, CA
Michelle Mason, LCSW is a School Social Worker provider in Pleasanton, CA (NPI 1205043643).
Provider details
- NPI number
- 1205043643
- Entity type
- Individual
- Primary specialty
- School Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 23585 (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
5758 W Las Positas Blvd
Pleasanton, CA 94588-4083
Phone: (925) 596-1133
Street-level locationGet directions
Mailing address
5758 W Las Positas Blvd
Pleasanton, CA 94588-4083
Registry dates
- Enumerated
- 2007-05-16
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Michelle Mason's NPI number?
- Michelle Mason's National Provider Identifier (NPI) is 1205043643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Mason's specialty?
- Michelle Mason is listed in the NPPES registry with a primary specialty of School Social Worker (Behavioral Health & Social Service Providers).
- Where is Michelle Mason located?
- Michelle Mason's practice location on file with NPPES is 5758 W Las Positas Blvd, Pleasanton, CA 94588-4083.
- What is Michelle Mason's phone number?
- The practice phone number listed in the NPPES registry for Michelle Mason is (925) 596-1133.
- Is Michelle Mason's NPI active?
- Yes — Michelle Mason's NPI (1205043643) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.