Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Matthew James Gray, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician in Northglenn, CO · enumerated 2012.

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

National Provider Identifier

1396001038

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Registry record

Entity type Individual (Type 1)

Name Dr. Matthew James Gray

Credential M.D.

Sex Male

Practice address 11990 Grant St Ste 300, Northglenn, CO, 80233

Phone (720) 773-2464

Fax (720) 925-5897

Enumeration date Apr 6, 2012

Last updated in NPPES May 17, 2024

Taxonomy & licenses

208VP0000X Pain Medicine Physician Allopathic & Osteopathic Physicians · License DR0058270 (CO) Secondary

2081P2900X Pain Medicine (Physical Medicine & Rehabilitation) Physician Allopathic & Osteopathic Physicians · License DR0058270 (CO) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Gray?

Matthew Gray is registered in NPPES with the primary taxonomy of Pain Medicine (Physical Medicine & Rehabilitation) 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 2024-05-17.