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

Dr. Sina Nikayin, MD

Individual provider Psychiatry Physician · NPI 1740717560

Dr. Sina Nikayin, MD is a Psychiatry in Westport, Connecticut. Qualified in 2014, 12 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
12
Licensed in
CT
In the registry since
2017
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

129 Kings Hwy N
Westport, CT 06880-2438
Phone: (203) 707-2000
Fax: (203) 707-1999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 George St Ste 901, New Haven, CT 06511-6662 — (203) 785-2095

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 66272 (CT)

Record details

NPI number1740717560
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 11, 2017
Last updated in NPPESSeptember 4, 2025
Certification dateSeptember 4, 2025

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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