Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sigmund Ian Tannenbaum, MD

Urology Physician in Greensboro, NC · enumerated 2005.

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

National Provider Identifier

1225024540

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Registry record

Entity type Individual (Type 1)

Name Sigmund Ian Tannenbaum

Credential MD

Sex Male

Practice address 509 N Elam Ave Fl 2, Greensboro, NC, 27403

Phone (336) 274-1114

Fax (336) 232-5325

Enumeration date Sep 22, 2005

Last updated in NPPES Feb 11, 2011

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 20977 (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
81526	Other	NC	BLUE CROSS BLUE SHIELD
8981526	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

What is the NPI number for Sigmund Tannenbaum?

The National Provider Identifier (NPI) for Sigmund Tannenbaum is 1225024540, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sigmund Tannenbaum practice?

The practice location on file with NPPES is in Greensboro, NC. 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 2011-02-11.