Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew S King, MD

Critical Care Medicine (Internal Medicine) Physician in Gallatin, TN · enumerated 2006.

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

National Provider Identifier

1235215518

Verified

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Registry record

Entity type Individual (Type 1)

Name Matthew S King

Credential MD

Sex Male

Practice address 555 Hartsville Pike, Gallatin, TN, 37066

Phone (615) 328-4300

Enumeration date Oct 28, 2006

Last updated in NPPES Mar 26, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 40559 (TN) Secondary

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 40559 (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
4158897	Other	TN	BCBS
7100033580	Other	KY	KENTUCKY MEDICAID
9340126	Other	-	AETNA
3001035	Medicaid	TN	-
P00630872	Other	-	RAILROAD MEDICARE

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 specialty is Matthew King?

Matthew King is registered in NPPES with the primary taxonomy of Critical Care Medicine (Internal Medicine) 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 2024-03-26.