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Mark Felger, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Austin, TX · enumerated 2006 · practices at Cardiothoracic and Vascular Surgeons,PA.

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

National Provider Identifier

1770507030

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Registry record

Entity type Individual (Type 1)
Name Mark Felger
Credential M.D.
Sex Male
Practice address 1010 W 40th St, Austin, TX, 78756
Phone (512) 459-8753
Fax (512) 483-6828
Enumeration date Jul 27, 2006
Last updated in NPPES Jul 1, 2024

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License H9209 (TX) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
82Z042 Other TX BCBS AUSTIN ID NUMBER
124872601 Medicaid TX -
85008X Other TX SAN ANGELO BCBS PROV NO
82Z042 Other TX MEDICARE AUSTIN ID NUMBER
741796484 Other TX TAX ID NO

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 Mark Felger?
The National Provider Identifier (NPI) for Mark Felger is 1770507030, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Felger practice?
The practice location on file with NPPES is in Austin, TX. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-01.