NPI Portal NPI Lookup & Verification

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

Mary Carmen Perez, LCSW

Clinical Social Worker in Longview, TX · enumerated 2014 · practices at M.P. Counseling Services Pllc.

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

National Provider Identifier

1891101408

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Registry record

Entity type Individual (Type 1)
Name Mary Carmen Perez
Credential LCSW
Sex Female
Practice address Longview, TX, 75601
Enumeration date Jul 2, 2014
Last updated in NPPES May 24, 2022

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

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 101750 (CA) Secondary
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 105424 (TX) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier Type State Issuer
1891101408 Medicaid CA -

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

What is the NPI number for Mary Perez?
The National Provider Identifier (NPI) for Mary Perez is 1891101408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Perez practice?
The practice location on file with NPPES is in Longview, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-24.