Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Harbor Psychiatry & Mental Health, Professional Corporation

Psychiatry Physician in Newport Beach, CA · enumerated 2015 · authorized official Gisoo Zarrabi, President/Medical Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1780050054

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Registry record

Entity type Organization (Type 2)

Legal business name Harbor Psychiatry & Mental Health, Professional Corporation

Practice address 4631 Teller Ave Ste 100, Newport Beach, CA, 92660

Phone (949) 887-7187

Fax (949) 476-3080

Enumeration date Aug 20, 2015

Last updated in NPPES Mar 23, 2022

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License A117990 (CA) Primary

Authorized official

Name Gisoo Zarrabi

Title President/Medical Director

Phone (949) 338-7158

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Harbor Psychiatry & Mental Health, Professional Corporation?

The NPI for Harbor Psychiatry & Mental Health, Professional Corporation is 1780050054, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Harbor Psychiatry & Mental Health, Professional Corporation?

NPPES lists Gisoo Zarrabi (President/Medical Director) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-03-23.