Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephen Lee Wallenhaupt, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Charlotte, NC · enumerated 2005.

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

National Provider Identifier

1164421285

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Registry record

Entity type Individual (Type 1)

Name Stephen Lee Wallenhaupt

Credential MD

Sex Male

Practice address 1718 E 4th St, Suite 701, Charlotte, NC, 28204

Phone (704) 316-5100

Fax (704) 316-5101

Enumeration date Jul 20, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 26402 (NC) 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
8985522	Medicaid	NC	-

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

Where does Stephen Wallenhaupt practice?

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

What is the NPI number for Stephen Wallenhaupt?

The National Provider Identifier (NPI) for Stephen Wallenhaupt is 1164421285, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.