Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mary Carmen Terrazas

Mental Health Counselor in Irwindale, CA · enumerated 2018.

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

National Provider Identifier

1144727876

Verified

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Registry record

Entity type Individual (Type 1)

Name Mary Carmen Terrazas

Sex Female

Practice address Irwindale, CA, 91706

Phone (626) 337-3828

Enumeration date Apr 9, 2018

Last updated in NPPES Sep 1, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social 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

What is the NPI number for Mary Terrazas?

The National Provider Identifier (NPI) for Mary Terrazas is 1144727876, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Terrazas practice?

The practice location on file with NPPES is in Irwindale, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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John Lopez Case Manager/Care Coordinator · Baldwin Park, CA NPI 1790945350 Myeisha Jackson Case Manager/Care Coordinator · Irwindale, CA NPI 1922531946 Allison Martinez Clinical Social Worker · Irwindale, CA NPI 1902326655 Michael Howell Clinical Social Worker · Irwindale, CA NPI 1801381413 Kristine Min Mental Health Counselor · Irwindale, CA NPI 1902360324 Lacresia Dennis Smith Athletic Trainer · Irwindale, CA NPI 1417517590 Bethany Cisneros Peer Specialist · Irwindale, CA NPI 1316796048 Rita Barrett Student in an Organized Health Care Education/Training Program · Irwindale, CA NPI 1407694276

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-01.