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

Mr. William J. Wertheim, LCSW

Individual provider Clinical Social Worker · NPI 1013997287

Mr. William J. Wertheim, LCSW is a Clinical Social Worker in Mount Vernon, New York. Qualified in 1976, 50 years ago. Practices as a sole proprietor, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
50
Licensed in
NY
In the registry since
2006
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

100 Sycamore Ave
Mount Vernon, NY 10553-1216
Phone: (914) 664-5681
Fax: (914) 664-6591
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 37 W 57th St Ste 601, New York, NY 10019-3476 — (914) 260-9757

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence R018792-1 (NY)

Record details

NPI number1013997287
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 22, 2006
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1976 (50 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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