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Aaron Hoo

Internal Medicine Physician in Honolulu, HI · enumerated 2014.

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

National Provider Identifier

1558771840

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Registry record

Entity type Individual (Type 1)
Name Aaron Hoo
Sex Male
Practice address 550 S Beretania St Ste 300, Honolulu, HI, 96813
Phone (808) 686-4620
Fax (808) 686-2125
Enumeration date May 7, 2014
Last updated in NPPES Mar 30, 2023

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License MD 19022 (HI) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD-19022 (HI) Primary

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 Hoo?
The National Provider Identifier (NPI) for Aaron Hoo is 1558771840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aaron Hoo practice?
The practice location on file with NPPES is in Honolulu, HI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-30.