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

Individual provider Clinical Psychologist · NPI 1821374059

Mark I Sirkin, PHD is a Clinical Psychologist in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2011.

Licensed in
NY
In the registry since
2011
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3512 Quentin Rd
Brooklyn, NY 11234-4231
Phone: (800) 275-3243
Fax: (718) 854-8308
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 009039 (NY)

Record details

NPI number1821374059
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 2, 2011
Last updated in NPPESNovember 2, 2011

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