Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Impact California, A Professional Medical Corporation, Inc.

Health Maintenance Organization in Pasadena, CA · enumerated 2019 · authorized official Armi Walker, President.

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

National Provider Identifier

1861037210

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Registry record

Entity type Organization (Type 2)

Legal business name Impact California, A Professional Medical Corporation, Inc.

Practice address 556 S Fair Oaks Ave Ste 101-5, Pasadena, CA, 91105

Phone (626) 412-4280

Enumeration date Nov 8, 2019

Last updated in NPPES Nov 8, 2019

Taxonomy & classification

302R00000X Health Maintenance Organization Managed Care Organizations Primary

Authorized official

Name Armi Walker

Title President

Phone (661) 428-2875

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 Impact California, A Professional Medical Corporation, Inc.?

The NPI for Impact California, A Professional Medical Corporation, Inc. is 1861037210, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Impact California, A Professional Medical Corporation, Inc.?

NPPES lists Armi Walker (President) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-08.