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

Naoky C Tsai, MD

Gastroenterology Physician in Kailua, HI · enumerated 2005.

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

National Provider Identifier

1245214618

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Registry record

Entity type Individual (Type 1)
Name Naoky C Tsai
Credential MD
Sex Male
Practice address Kailua, HI, 96734
Phone (808) 263-5174
Fax (808) 266-3614
Enumeration date Nov 30, 2005
Last updated in NPPES Oct 30, 2007

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

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 3796 (HI) Primary
207RI0008X Hepatology Physician Allopathic & Osteopathic Physicians · License 3796 (HI) Secondary
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
00E0054683 Other HI HMJA BCBS
04806901 Medicaid HI -

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 Naoky Tsai?
The National Provider Identifier (NPI) for Naoky Tsai is 1245214618, a Type 1 (individual) record in the CMS NPPES registry.
Where does Naoky Tsai practice?
The practice location on file with NPPES is in Kailua, 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 2007-10-30.