Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mary Joann Lang, Ph.D., Psychologist, Inc.

Clinical Neuropsychologist in La Palma, CA · enumerated 2012 · authorized official Mary Joann Lang, Neuropsychologist.

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

National Provider Identifier

1023370749

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Registry record

Entity type Organization (Type 2)

Legal business name Mary Joann Lang, Ph.D., Psychologist, Inc.

Practice address 24 Centerpointe Dr, La Palma, CA, 90623

Phone (714) 288-4200

Enumeration date Jun 8, 2012

Last updated in NPPES Jun 8, 2012

Taxonomy & classification

103G00000X Clinical Neuropsychologist Behavioral Health & Social Service Providers · License PSY 12076 (CA) Primary

Authorized official

Name Mary Joann Lang

Title Neuropsychologist

Phone (714) 288-4200

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.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2012-06-08. Verify at npiregistry.cms.hhs.gov.

Where is Mary Joann Lang, Ph.D., Psychologist, Inc. located?

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

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-06-08.