Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Patrick Masihi

Case Manager/Care Coordinator in Los Angeles, CA · enumerated 2007.

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

National Provider Identifier

1144400631

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Registry record

Entity type Individual (Type 1)

Name Mr. Patrick Masihi

Sex Male

Practice address 320 W Temple St, 9th Floor, Los Angeles, CA, 90012

Phone (213) 974-0446

Fax (213) 620-1405

Enumeration date Nov 13, 2007

Last updated in NPPES Jul 5, 2011

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Primary

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

Is NPI 1144400631 active?

Yes, as of the latest NPPES snapshot, NPI 1144400631 is active (record last updated 2011-07-05).

How do I verify Patrick Masihi's NPI record?

Cross-check NPI 1144400631 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-07-05.