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

Dr. Mason Chacko, MD

Individual provider Psychiatry Physician · NPI 1932417706

Dr. Mason Chacko, MD is a Psychiatry in Stony Brook, New York. Qualified in 2005, 21 years ago. Practices with Stony Brook Psychiatric Associates University Faculty Practice Corpor, a 101-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
21
Licensed in
NY
In the registry since
2010
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

101 Nicolls Rd
Stony Brook, NY 11794-8408
Phone: (631) 444-3604
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 301 E Main St, Bay Shore, NY 11706-8408 — (631) 968-3000

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 258527 (NY)

Record details

NPI number1932417706
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 15, 2010
Last updated in NPPESFebruary 5, 2020
Certification dateFebruary 5, 2020
Mailing addressPo Box 1559, Stony Brook, NY 11790-0989

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Stony Brook Psychiatric Associates University Faculty Practice Corpor — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Stony Brook