Quick answers
- Which hospitals does Sina Nikayin work at?
- Medicare's official clinician data lists Sina Nikayin at 1 hospital: Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sina Nikayin see patients?
- Medicare's clinician data lists 2 practice locations, including Westport, CT and New Haven, CT. Call before your visit to confirm the address.
- What is Sina Nikayin's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Sina Nikayin accept Medicare assignment?
- Yes. Medicare's clinician data says Sina Nikayin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sina Nikayin?
- (203) 707-2000, as listed in official Medicare / NPI Registry data.
- What is Sina Nikayin's NPI number?
- 1740717560. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sina Nikayin works
Medicare's Facility Affiliation Data lists Sina Nikayin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Sina Nikayin is enrolled with Medicare (CMS data updated 2026-10-02).
- 129 Kings Hwy NWestport, CT 06880 (203) 707‑2000
- 184 Liberty StNew Haven, CT 06519 (203) 688‑9711
Group practices
Medicare enrollment lists Sina Nikayin as a member of this group (CMS data updated 2026-10-02).
- Yale University2,645 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Westport
Clinicians with the same Medicare primary specialty in Westport, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740717560 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians