Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary C Alexander, LCSW

Individual provider Social Worker · NPI 1629657358

Mary C Alexander, LCSW is a Clinical Social Worker in Brooklyn, New York. Qualified in 2020, 6 years ago. Practices with Valera Medical PC, a 161-clinician group and accepts Medicare assignment. Licensed in Michigan, New York and Texas.

Years since qualifying
6
Licensed in
MI, NY, TX
In the registry since
2021
Specialties on file
3
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

134 N 4th St
Brooklyn, NY 11249-3296
Phone: (757) 831-7966
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 100078 (NY)
Social Worker Taxonomy 104100000X · Licence 104233 (TX)
Social Worker Taxonomy 104100000X · Licence 6801108341 (MI)

Record details

NPI number1629657358
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedApril 8, 2021
Last updated in NPPESMay 8, 2025
Certification dateMay 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Valera Medical Pc — 161 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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