Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Corey Welch Gray, D.C.

Chiropractor in Missoula, MT · enumerated 2007.

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

National Provider Identifier

1598814220

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Registry record

Entity type Individual (Type 1)

Name Corey Welch Gray

Credential D.C.

Sex Male

Practice address 3031 S Russell St, Suite 3, Missoula, MT, 59801

Phone (406) 549-4067

Enumeration date Jan 10, 2007

Last updated in NPPES Sep 30, 2011

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 958 (MT) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier	Type	State	Issuer
40023	Other	MT	BLUE CROSS
810414896	Other	MT	WORKERS COMP STAE FUND

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

How do I verify Corey Gray's NPI record?

Cross-check NPI 1598814220 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1598814220 active?

Yes, as of the latest NPPES snapshot, NPI 1598814220 is active (record last updated 2011-09-30).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-30.