Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Gordon Tanner Jr., M.D.

Gastroenterology Physician in Lawrenceville, GA · enumerated 2005.

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

National Provider Identifier

1114911294

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Registry record

Entity type Individual (Type 1)

Name Dr. William Gordon Tanner Jr.

Credential M.D.

Sex Male

Practice address 721 Wellness Way, Ste 100, Lawrenceville, GA, 30046

Phone (770) 995-7989

Fax (770) 339-8646

Enumeration date Sep 6, 2005

Last updated in NPPES Sep 25, 2012

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 046817 (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
52237427	Other	GA	BLUE CROSS BLUE SHIELD
582061514007	Other	GA	PRUDENTIAL
8485	Other	GA	ONE HEALTH
00828396B	Medicaid	GA	-
7231009	Other	GA	MANAGE CARE
100014260	Other	GA	RAIL ROAD MEDICARE
29-00016	Other	GA	UNITED HEALTH CARE
8485	Other	GA	PROMINA

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 William Tanner?

The National Provider Identifier (NPI) for William Tanner is 1114911294, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Tanner practice?

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

Other providers at this practice address

Browse all →

Zack Martin Gastroenterology Physician · Lawrenceville, GA NPI 1427042514 Northeast Endoscopy Center, LLC Ambulatory Surgical Clinic/Center · Lawrenceville, GA NPI 1578531208 David Armstrong Colon & Rectal Surgery Physician · Lawrenceville, GA NPI 1720046089 Spencer Rozin Internal Medicine Physician · Lawrenceville, GA NPI 1023053329 Jae Nam Gastroenterology Physician · Lawrenceville, GA NPI 1477581999 Gastroenterology Specialists of Gwinnett, P.C. Specialist · Lawrenceville, GA NPI 1700901311

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-25.