Doctor profile · Federal record

Dr. Sina Nikayin, MD

Psychiatry Physician (CMS: Psychiatry) · Westport, CT

  • NPI 1740717560
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
129 Kings Hwy N
Westport, CT 068802438
(203) 707-2000
fax (203) 707-1999
Additional location
300 George St Ste 901
New Haven, CT 065116662
(203) 785-2095

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
September 4, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Connecticut #66272

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740717560. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
284
Distinct HCPCS
2
Medicare allowed
$20,471
HCPCS Description Services Patients Avg allowed
G2083 Office or other outpatient visit for the evaluation and management of an established patient that requires the supervision of a physician or other qualified health care professional and provision of greater than 56 mg esketamine nasal self-administration, 143 18 $36
90870 Therapy using electrical currents 141 30 $108

In context: peer comparison

Among 5 peers in this city , average services per provider: 126. This provider delivers 2.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sina Nikayin's medical specialty?
Dr. Sina Nikayin practices Psychiatry Physician in Westport, CT.
Where does Dr. Sina Nikayin practice?
Dr. Sina Nikayin practices at 129 Kings Hwy N, Westport, CT 068802438. Office phone: 2037072000.
What is Dr. Sina Nikayin's NPI?
Dr. Sina Nikayin's National Provider Identifier (NPI) is 1740717560, issued by NPPES.
Does Dr. Sina Nikayin accept Medicare assignment?
Yes. Dr. Sina Nikayin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sina Nikayin commonly perform?
Top Medicare-reported procedures in 2023: Office or other outpatient visit for the evaluation and management of an established patient that requires the supervision of a physician or other qualified health care professional and provision of greater than 56 mg esketamine nasal self-administration (HCPCS G2083); Therapy using electrical currents (HCPCS 90870). Source: CMS Medicare Physician & Other Practitioners file.