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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Matthew James Joo, D.O.

Emergency Medicine Physician in Elmendorf Afb, AK · enumerated 2017.

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

National Provider Identifier

1447791678

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Registry record

Entity type Individual (Type 1)
Name Matthew James Joo
Credential D.O.
Sex Male
Practice address Elmendorf Afb, AK, 99506
Enumeration date Mar 20, 2017
Last updated in NPPES Aug 9, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 185880 (AK) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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.

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Frequently asked questions

What is the NPI number for Matthew Joo?
The National Provider Identifier (NPI) for Matthew Joo is 1447791678, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Joo practice?
The practice location on file with NPPES is in Elmendorf Afb, AK. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-09.