Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Matthew Vassy, M.D.

Trauma Surgery Physician in Gainesville, GA · enumerated 2006.

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

National Provider Identifier

1558329367

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Registry record

Entity type Individual (Type 1)

Name Dr. William Matthew Vassy

Credential M.D.

Sex Male

Practice address 1211 Sherwood Park Dr Ne Ste A, Gainesville, GA, 30501

Phone (770) 219-3202

Enumeration date May 2, 2006

Last updated in NPPES Jan 10, 2020

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 01062118A (IN) Secondary

2086S0127X Trauma Surgery Physician Allopathic & Osteopathic Physicians · License 84759 (GA) 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
P00346020	Other	IN	RAILROAD MEDICARE
64123482	Medicaid	KY	-
000000480122	Other	IN	ANTHEM BC/BS
200822770	Medicaid	IN	-

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

Is NPI 1558329367 active?

Yes, as of the latest NPPES snapshot, NPI 1558329367 is active (record last updated 2020-01-10).

How do I verify William Vassy's NPI record?

Cross-check NPI 1558329367 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-10.