Sina Nikayin, MD
Psychiatry Physician · Westport, CT
Sina Nikayin, MD is a psychiatry physician with a practice address in Westport, Connecticut, and NPI 1740717560, issued on May 11, 2017. Check the license (Connecticut 66272, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sina Nikayin
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 66272 CT
Self-reported in NPPES; status is on the state search - Practice location
- 129 Kings Hwy N, Westport, CT 06880
- Phone
- (203) 707-2000
- Enumerated
- May 11, 2017
- Record last updated
- Sep 4, 2025
- Fax
- (203) 707-1999
- Medicare enrollment
- Enrolled (PECOS I20210628001768); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 129 Kings Hwy N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sina Nikayin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 66272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sina Nikayin among 1,174 psychiatry physician records in Connecticut
Sina Nikayin, MD is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2014 · median 2003 among the 503 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 psychiatry physician records list a practice address in Westport
They are 38 of the 886 NPPES records with a practice address in Westport, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Westport → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jill Barron, M.D.Westport, CT 068801346260015
- Kay Cowan, MDWestport, CT 068801003980301
- Mohamed Elsamra, M.D.Westport, CT 068801457464406
- Jacques Germain, M.D.Westport, CT 068801427122688
- Jonathan Horowitz, M.D.Westport, CT 068801174500185
- Stewart Levine, MDWestport, CT 068801356350169
- Mikhail Magid, M.D.Westport, CT 068801528132685
- John Moore, M.D.Westport, CT 068801578626214
Common questions
What is Sina Nikayin, MD's NPI number?
Sina Nikayin, MD's National Provider Identifier (NPI) is 1740717560, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sina Nikayin, MD located?
The NPPES record lists a practice address at 129 Kings Hwy N, Westport, CT, 06880. Phone: (203) 707-2000. Providers update this record themselves, so call before visiting.
How can I verify Sina Nikayin, MD's license?
NPPES lists Connecticut license number 66272, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Sina Nikayin, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.