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

Dr. Mary Regina Striegel, PH.D.

Clinical Psychologist in Mcallen, TX · enumerated 2007.

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

National Provider Identifier

1023223609

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary Regina Striegel

Credential PH.D.

Sex Female

Practice address Mcallen, TX, 78504

Phone (956) 821-4760

Fax (956) 627-0969

Enumeration date May 14, 2007

Last updated in NPPES Apr 3, 2011

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

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 30757 (TX) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 30757 (TX) Primary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 30757 (TX) Secondary

103TC2200X Clinical Child & Adolescent Psychologist Behavioral Health & Social Service Providers · License 30757 (TX) Secondary

101Y00000X Counselor Behavioral Health & Social Service Providers · License 30757 (TX) Secondary

103TH0004X Health Psychologist Behavioral Health & Social Service Providers · License 30757 (TX) Secondary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
0057ES	Other	TX	BC BS OF TEXAS
096844801	Medicaid	TX	-

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 does Mary Striegel practice?

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

What is the NPI number for Mary Striegel?

The National Provider Identifier (NPI) for Mary Striegel is 1023223609, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-03.