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

Mr. Walter Joseph Masterson, LCSW

Individual provider Clinical Social Worker · NPI 1649589714

Mr. Walter Joseph Masterson, LCSW is a Clinical Social Worker in New York, New York. Qualified in 2008, 18 years ago. Accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
18
Licensed in
NY
In the registry since
2010
Specialties on file
2
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

200 Rector Pl 23L
New York, NY 10280-1107 Not confirmed with CMS for 12 years — call before visiting
Phone: (646) 745-7755
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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 081545 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence 079067-1 (NY)

Record details

NPI number1649589714
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedOctober 6, 2010
Last updated in NPPESSeptember 12, 2014

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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