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Dr. Aaron G. M. Choy, MD

Internal Medicine Physician in Honolulu, HI · enumerated 2007.

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

National Provider Identifier

1639380918

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Registry record

Entity type Individual (Type 1)
Name Dr. Aaron G. M. Choy
Credential MD
Sex Male
Practice address 2828 Paa St, Honolulu, HI, 96819
Phone (808) 432-5770
Enumeration date May 25, 2007
Last updated in NPPES Jun 11, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MDR4584 (HI) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD-14355 (HI) 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
613621-04 Medicaid HI -
00B0272084 Other - HMSA

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 Aaron Choy?
The National Provider Identifier (NPI) for Aaron Choy is 1639380918, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aaron Choy practice?
The practice location on file with NPPES is in Honolulu, HI. 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 2021-06-11.