Psychiatrist | 12+ years experience

Dr. Sina Nikayin, MD

129 Kings Hwy N, Westport, Connecticut, 06880-2438

About Dr. Sina Nikayin

Dr. Sina Nikayin is a psychiatrist based in Westport, Connecticut with 12 years of experience in Psychiatry. He completed his graduation in 2014. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Sina Nikayin is 66272 for Psychiatry in Connecticut. His current practice location is 129 Kings Hwy N, Westport. Patients can contact him at 203-707-2000 or can fax him at 203-707-1999. Dr. Sina Nikayin, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1740717560.

Dr. Sina Nikayin specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. Sina Nikayin's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Sina Nikayin
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 12+ years
Graduation Year 2014
Gender Male
Practice Address: 129 Kings Hwy N,
Westport, CT - 06880-2438
Fax 203-707-1999

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 0042611188
Enrollment ID I20210628001768
NPI Number1740717560
NPI Enumeration Date: 11 May, 2017
NPI Last Update On: 04 Sep, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Sina Nikayin are as mentioned below.

License NumberSpecializationStateStatus
66272Psychiatry ConnecticutPrimary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(070022)New haven, CTAcute Care Hospital

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Sina Nikayin is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Yale New Haven Hospital (8325935018)37
Yale University (9436061736)2122

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Sina Nikayin
129 Kings Hwy N,
Westport, CT - 06880-2438
Phone: 203-707-2000
Fax: 203-707-1907

Book an Appointment with Dr. Sina Nikayin

To schedule an appointment, contact Dr. Sina Nikayin at 129 Kings Hwy N, Westport, Connecticut or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Sina Nikayin:

Dr. Sina Nikayin is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Dr. Sina Nikayin has approximately 12 years of experience in Psychiatry.

Yes, Dr. Sina Nikayin accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Sina Nikayin is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Sina Nikayin practices at 129 Kings Hwy N, Westport, Connecticut, 06880-2438.

To schedule an appointment with Dr. Sina Nikayin, please contact the office at 203-707-2000.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.