Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Warren I. Ono, MD, Inc

Organization Gastroenterology Physician · NPI 1215004775

Warren I. Ono, MD, Inc is a Gastroenterology Physician in Honolulu, Hawaii. Licensed in Hawaii. Registered with an NPI since 2006.

Licensed in
HI
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

321 N Kuakini St Ste 714
Honolulu, HI 96817-2362
Phone: (808) 528-3606
Fax: (808) 538-7850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X (HI)

Record details

NPI number1215004775
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Warren Ono — President · (808) 528-3606
NPI enumeratedNovember 29, 2006
Last updated in NPPESFebruary 19, 2008
Mailing address3465 Waialae Ave Fl 4, Honolulu, HI 96816-2650

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