Evelyn Mascarenas
Clinical Social Worker · Pleasanton, CA
Evelyn Mascarenas is a clinical social worker with a practice address in Pleasanton, California, and NPI 1336801430, issued on Oct 6, 2021. Check the license (California 75408, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Evelyn Mascarenas
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 75408 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3825 Hopyard RD Ste 140, Pleasanton, CA 94588
- Phone
- (925) 847-5051
- Enumerated
- Oct 6, 2021
- Record last updated
- Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230316000140); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 3825 Hopyard RD Ste 140
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shiela Advani, PHARMD.Pharmacist1720360712
- Robert Christensen, PSY.D.Clinical Psychologist1396891586
- Stefani ColemanMarriage & Family Therapist1770093494
- Timothy Crawford, AMFTMarriage & Family Therapist1770319410
- Damien DiazMarriage & Family Therapist1831505452
- Tom Joshua Wy, DOPsychiatry Physician1144725227
Verify Evelyn Mascarenas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 75408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncPleasanton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Evelyn Mascarenas among 36,261 clinical social worker records in California
Evelyn Mascarenas is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2001 · median 2012 among the 4,008 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 clinical social worker records list a practice address in Pleasanton
They are 42 of the 2,213 NPPES records with a practice address in Pleasanton, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Pleasanton → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Jonathan Abramson, L.C.S.W.Pleasanton, CA 945881861601056
- Marti Burke, LCSWPleasanton, CA 945881710037999
- Paul Del Bel, L.C.S.W.Pleasanton, CA 945881144430075
- Robert Fullerton, PH.D.Pleasanton, CA 945881972703700
- Anthony Limperopulos, LCSWPleasanton, CA 945881730380726
- Linda Mackinson, LCSWPleasanton, CA 945881891844411
- Alison Macur, LCSWPleasanton, CA 945881801090352
- Diane Manning, LCSWPleasanton, CA 945881578621686
Common questions
What is Evelyn Mascarenas's NPI number?
Evelyn Mascarenas's National Provider Identifier (NPI) is 1336801430, issued on Oct 6, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Evelyn Mascarenas located?
The NPPES record lists a practice address at 3825 Hopyard RD Ste 140, Pleasanton, CA, 94588. Phone: (925) 847-5051. Providers update this record themselves, so call before visiting.
How can I verify Evelyn Mascarenas's license?
NPPES lists California license number 75408, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.