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

Mr. William Messina, LCSW

Individual provider Clinical Social Worker · NPI 1710051917

Mr. William Messina, LCSW is a Clinical Social Worker in New York, New York. Graduated from Fordham University School of Medicine in 1982, 44 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
44
Trained at
Fordham University School of Medicine
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

130 5th Ave Ste 900
New York, NY 10011-4306 Not confirmed with CMS for 18 years — call before visiting
Phone: (212) 591-0208
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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 R02865-1 (NY)

Record details

NPI number1710051917
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedNovember 20, 2006
Last updated in NPPESApril 2, 2008

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolFORDHAM UNIVERSITY SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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