Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Billie Karen Martin, PA

Medical Physician Assistant in San Marcos, TX · enumerated 2005.

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

National Provider Identifier

1457344780

Verified

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Registry record

Entity type Individual (Type 1)

Name Billie Karen Martin

Credential PA

Sex Female

Practice address 1330 Wonder World Dr, Ste B108, San Marcos, TX, 78666

Phone (512) 396-5603

Fax (512) 396-5623

Enumeration date Aug 23, 2005

Last updated in NPPES May 2, 2014

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License PA00781 (TX) Secondary

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA00781 (TX) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier	Type	State	Issuer
1961021-01	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

What is the NPI number for Billie Martin?

The National Provider Identifier (NPI) for Billie Martin is 1457344780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Billie Martin practice?

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

Other providers at this practice address

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Vigor and Vitality, LLC Physical Medicine & Rehabilitation Physician · San Marcos, TX NPI 1053317529 Boguslaw Godlewski Cardiovascular Disease Physician · San Marcos, TX NPI 1447251905 San Marcos Mri, Lp Radiology Clinic/Center · San Marcos, TX NPI 1992786883 Ellen Grimm Nephrology Physician · San Marcos, TX NPI 1275500100 Curtis Solomon Interventional Cardiology Physician · San Marcos, TX NPI 1801016480 William Abide Cardiovascular Disease Physician · San Marcos, TX NPI 1932307261 King and Court Imaging, Pllc Diagnostic Radiology Physician · San Marcos, TX NPI 1831505353

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-02.