Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Marc Harris Grusensky, MD

Individual provider Psychiatry Physician · NPI 1578620225

Dr. Marc Harris Grusensky, MD is a Psychiatry Physician in Commack, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2171 Jericho Tpke Ste 210
Commack, NY 11725
Phone: (631) 499-4224
Fax: (631) 499-1535
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 119135 (NY)

Record details

NPI number1578620225
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 2, 2007
Last updated in NPPESJuly 8, 2007

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