Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mr. Mark Laster, LCSW

Individual provider Clinical Social Worker · NPI 1578765939

Mr. Mark Laster, LCSW is a Clinical Social Worker in Rego Park, New York. Graduated from Columbia University College of Physicians and Surgeons in 1981, 45 years ago. Practices with Comprehensive Counseling LCSW PLLC, a 46-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
45
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
NY
In the registry since
2007
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

6515 Alderton St
Rego Park, NY 11374-5052 Not confirmed with CMS for 19 years — call before visiting
Phone: (646) 515-9083
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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 R026562 (NY)

Record details

NPI number1578765939
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 5, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1981 (45 years in practice)
Group practice Comprehensive Counseling Lcsw Pllc — 46 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Comprehensive Counseling LCSW PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 46 clinicians in the practice; 12 are shown here.

Other providers in Rego Park