Evelyn Mascarenas
NPI 1336801430 · Clinical Social Worker · Pleasanton, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Evelyn Mascarenas is a Clinical Social Worker provider in Pleasanton, CA (NPI 1336801430).
Provider details
- NPI number
- 1336801430
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 75408 (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
4 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
- 2021-10-06
- Last updated
- 2021-12-29
- Certified
- 2021-09-03
Frequently asked questions
- What is Evelyn Mascarenas's NPI number?
- Evelyn Mascarenas's National Provider Identifier (NPI) is 1336801430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Evelyn Mascarenas's specialty?
- Evelyn Mascarenas is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Evelyn Mascarenas located?
- Evelyn Mascarenas's practice location on file with NPPES is 3825 Hopyard Rd Ste 140, Pleasanton, CA 94588-8530.
- What is Evelyn Mascarenas's phone number?
- The practice phone number listed in the NPPES registry for Evelyn Mascarenas is (925) 847-5051.
- Does Evelyn Mascarenas accept Medicare?
- Evelyn Mascarenas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Evelyn Mascarenas's NPI active?
- Yes — Evelyn Mascarenas's NPI (1336801430) is active in the NPPES registry as of the last update on 2021-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.