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

Dr. Mary8 A. Halas, PHD

Q: What is the NPI number for Mary8 Halas?

The National Provider Identifier (NPI) for Mary8 Halas is 1033236096, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Psychologist in Alexandria, VA · enumerated 2007.

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

National Provider Identifier

1033236096

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary8 A. Halas

Credential PHD

Sex Female

Practice address Alexandria, VA, 22304

Phone (703) 823-0801

Fax (703) 823-0802

Enumeration date Mar 23, 2007

Last updated in NPPES Sep 11, 2025

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

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 1198 (VA) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 1196 (AZ) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 2126 (MD) Primary

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

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 Mary8 Halas?

The National Provider Identifier (NPI) for Mary8 Halas is 1033236096, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary8 Halas practice?

The practice location on file with NPPES is in Alexandria, VA. 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 2025-09-11.