Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William E Swanson, MD

Urology Physician in Springfield, MA · enumerated 2006.

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

National Provider Identifier

1194832774

Verified

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Registry record

Entity type Individual (Type 1)

Name William E Swanson

Credential MD

Sex Male

Practice address 100 Wason Avenue, Suite 120, Springfield, MA, 01107

Phone (413) 241-2100

Fax (413) 735-1986

Enumeration date Aug 23, 2006

Last updated in NPPES Jun 17, 2010

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 203565 (MA) 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
3206441	Medicaid	MA	-
J22150	Other	MA	BCBS

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 William Swanson?

The National Provider Identifier (NPI) for William Swanson is 1194832774, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Swanson practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-17.