Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gilbert Micheal Thayer, M.D.

Obstetrics & Gynecology Physician in Savannah, TN · enumerated 2005 · practices at Hardin County Regional Health Center.

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

National Provider Identifier

1891789848

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Registry record

Entity type Individual (Type 1)

Name Dr. Gilbert Micheal Thayer

Credential M.D.

Sex Male

Practice address 175 Enoch Blvd, Savannah, TN, 38372

Phone (731) 925-2300

Fax (731) 925-2668

Enumeration date Sep 6, 2005

Last updated in NPPES Aug 26, 2024

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License MD25714 (TN) 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
2568412	Other	TN	CIGNA
4215284	Other	-	BCBS
30867841	Other	TN	MEDICARE ID
1169884	Other	TN	UNITED HEALTHCARE
3086784	Medicaid	TN	-
160051552	Other	TN	RAILROAD MEDICAID
4066013	Other	TN	BLUE CROSS BLUE SHIELD
626001636	Other	TN	BHSG

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 specialty is Gilbert Thayer?

Gilbert Thayer is registered in NPPES with the primary taxonomy of Obstetrics & Gynecology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-26.