Sina Nikayin, MD
NPI 1740717560 · Psychiatry Physician · Westport, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sina Nikayin, MD is a Psychiatry Physician provider in Westport, CT (NPI 1740717560).
Provider details
- NPI number
- 1740717560
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 66272 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
248 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Using Electrical Currents90870 | 169 | $106 |
| 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,G2083 | 79 | $36 |
Typical Medicare-allowed amounts for these services range $36–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 300 George St Ste 901New Haven, CT 06511-6662Phone: (203) 785-2095
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2025-09-04
- Certified
- 2025-09-04
Frequently asked questions
- What is Sina Nikayin's NPI number?
- Sina Nikayin's National Provider Identifier (NPI) is 1740717560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sina Nikayin's specialty?
- Sina Nikayin is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sina Nikayin located?
- Sina Nikayin's practice location on file with NPPES is 129 Kings Hwy N, Westport, CT 06880-2438.
- What is Sina Nikayin's phone number?
- The practice phone number listed in the NPPES registry for Sina Nikayin is (203) 707-2000.
- Does Sina Nikayin accept Medicare?
- Sina Nikayin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sina Nikayin's NPI active?
- Yes — Sina Nikayin's NPI (1740717560) is active in the NPPES registry as of the last update on 2025-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.