Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephen Walter Hardeman, MD

Urology Physician in Austin, TX · enumerated 2005.

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

National Provider Identifier

1427052992

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Registry record

Entity type Individual (Type 1)

Name Stephen Walter Hardeman

Credential MD

Sex Male

Practice address 11410 Jollyville Rd Ste 1101, Austin, TX, 78759

Phone (512) 231-1444

Fax (512) 231-7051

Enumeration date Jun 13, 2005

Last updated in NPPES Nov 1, 2021

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License F6712 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

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Frequently asked questions

What specialty is Stephen Hardeman?

Stephen Hardeman is registered in NPPES with the primary taxonomy of Urology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-01.