Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Histopathology Services Inc

Clinical Medical Laboratory in Tustin, CA · enumerated 2010 · authorized official Khodadad Mehraein, President/Ceo.

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

National Provider Identifier

1699085290

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Registry record

Entity type Organization (Type 2)

Legal business name Histopathology Services Inc

Practice address 15012 Red Hill Ave, Suite 8h, Tustin, CA, 92780

Phone (949) 415-2535

Enumeration date Oct 15, 2010

Last updated in NPPES Oct 22, 2014

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories Primary

Authorized official

Name Khodadad Mehraein

Title President/Ceo

Phone (949) 415-2535

Other identifiers

Identifier	Type	State	Issuer
339775	Other	CA	CLF
05D2009046	Other	CA	CLIA

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

Where is Histopathology Services Inc located?

The practice location on file with NPPES is in Tustin, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2014-10-22. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-22.