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

Richard J Mack, LCSW

Individual provider Clinical Social Worker · NPI 1700820792

Richard J Mack, LCSW is a Clinical Social Worker in New York, New York. Qualified in 2005, 21 years ago. Practices with The Fifth Avenue Counseling Center, Inc, a 25-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
21
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

50 W 23rd St 9th Fl
New York, NY 10010-5205 Not confirmed with CMS for 17 years — call before visiting
Phone: (212) 989-2990
Fax: (212) 792-6058
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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 73 076339 (NY)

Record details

NPI number1700820792
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESOctober 19, 2008

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice The Fifth Avenue Counseling Center, Inc. — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at The Fifth Avenue Counseling Center, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 25 clinicians in the practice; 12 are shown here.

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