Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Warren Mattson, MD

Surgery Physician in Galax, VA · enumerated 2006.

Data current as of Jul 11, 2026 · sourced from CMS NPPES

National Provider Identifier

1902900079

Verified

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Registry record

Entity type Individual (Type 1)

Name Mark Warren Mattson

Credential MD

Sex Male

Practice address 225 Hospital Drive, Galax, VA, 24333

Phone (276) 236-6906

Fax (276) 236-7179

Enumeration date Sep 11, 2006

Last updated in NPPES Feb 11, 2015

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 0101030930 (VA) Primary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 22944 (NC) Secondary

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
007335288	Medicaid	VA	—

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

Is NPI 1902900079 active?

Yes — as of the latest NPPES snapshot, NPI 1902900079 is active (record last updated 2015-02-11).

How do I verify Mark Mattson's NPI record?

Cross-check NPI 1902900079 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2015-02-11.