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BRIAN GHEZELAIAGH, MD, PC
NPI 1659140747
Psychiatry & Neurology - Psychiatry in Stony Brook, NY

Active since December 29, 2023
2500 NESCONSET HWY BLDG 17C, STONY BROOK, NY 11790(631) 210-6305(631) 292-7376 Get Directions Write a Review

NPPES record last updated: December 29, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Brian Ghezelaiagh, Md, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN GHEZELAIAGH, MD, PC (NPI 1659140747), doing business as Brookhaven Psychiatry, is a healthcare organization registered as a psychiatry in Stony Brook, New York and active in the NPI registry since December 2023. The organization lists Brian Ghezelaiagh, Owner, as its authorized official.

NPPES Registry Identity

NPI1659140747
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameBRIAN GHEZELAIAGH, MD, PC
Location Address2500 NESCONSET HWY BLDG 17CStony Brook, NY 11790-2563
Mailing Address2500 Nesconset Hwy Bldg 17cStony Brook, NY 11790-2563 · (631) 210-6305 · Fax (631) 292-7376
Phone(631) 210-6305
Fax(631) 292-7376
Organization SubpartNo
Authorized OfficialBrian GhezelaiaghOwner · (631) 210-6305
Enumeration DateDecember 29, 2023
NPPES CertifiedDecember 29, 2023
✔ NPI 1659140747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Definition
A Psychiatrist 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.
2500 NESCONSET HWY BLDG 17C, Stony Brook, NY 11790
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Other Names 1

Doing Business AsBrookhaven Psychiatry

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brian Ghezelaiagh, Md, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Brian Ghezelaiagh, MD, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Brian Ghezelaiagh, MD
Psychiatry
NPI 1033616206
2500 NESCONSET HWY BLDG 17C
Stony Brook, NY 11790
(631) 210-6305
✔ PECOS✔ Accepts MedicareSame address
Kevin Skier, MD
Psychiatry
NPI 1144687799
2500 NESCONSET HWY BLDG 17C
Stony Brook, NY 11790
(631) 210-6305
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Ghezelaiagh, MD, PC's NPI number?

The NPI number for Brian Ghezelaiagh, MD, PC is 1659140747. It was assigned to this organization in the NPPES registry on December 29, 2023. The provider is doing business as Brookhaven Psychiatry.

Where is Brian Ghezelaiagh, MD, PC located?

Brian Ghezelaiagh, MD, PC is located at 2500 Nesconset Hwy Bldg 17C, Stony Brook, NY 11790. The listed phone number is (631) 210-6305.

What is Brian Ghezelaiagh, MD, PC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Brian Ghezelaiagh, MD, PC enrolled in Medicare?

Yes. Brian Ghezelaiagh, MD, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Brian Ghezelaiagh, MD, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Psychiatry, reassign their Medicare billing to Brian Ghezelaiagh, MD, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Brian Ghezelaiagh, MD, PC was last updated on December 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.