Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

California Health Psychology PC

Q: What is the NPI number for California Health Psychology PC?

The NPI for California Health Psychology PC is 1427621234, a Type 2 (organization) record in the CMS NPPES registry.

Adult Mental Health Clinic/Center in Altadena, CA · enumerated 2021 · authorized official Shibani Ray-Mazumder, Director.

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

National Provider Identifier

1427621234

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Registry record

Entity type Organization (Type 2)

Legal business name California Health Psychology PC

Practice address 3628 Giddings Ranch Rd, Altadena, CA, 91001

Phone (631) 786-9312

Enumeration date Jul 20, 2021

Last updated in NPPES Jul 20, 2021

Taxonomy & classification

261QM0850X Adult Mental Health Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Shibani Ray-Mazumder

Title Director

Phone (631) 786-9312

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 California Health Psychology PC?

The NPI for California Health Psychology PC is 1427621234, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for California Health Psychology PC?

NPPES lists Shibani Ray-Mazumder (Director) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-20.