Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Leo Buchanan, DDS
Dentist in Kaneohe, HI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730232927
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Registry record
Entity type Individual (Type 1)
Name Dr. John Leo Buchanan
Credential DDS
Sex Male
Practice address 46-056 Kamehameha Hwy, Kaneohe, HI, 96744
Phone (808) 235-2000
Fax (808) 236-1050
Enumeration date Jan 19, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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.
Frequently asked questions
Where does John Buchanan practice?
The practice location on file with NPPES is in Kaneohe, HI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Buchanan?
The National Provider Identifier (NPI) for John Buchanan is 1730232927, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kari Chang Moses Optometrist · Kaneohe, HI NPI 1326022674 Mark Lee Internal Medicine Physician · Kaneohe, HI NPI 1851481907 Ellen Mickels Family Medicine Physician · Kaneohe, HI NPI 1760566913 Todd Kubo Family Medicine Physician · Kaneohe, HI NPI 1598834780 Erma Jose Internal Medicine Physician · Kaneohe, HI NPI 1245309020 Lisa Shigemura Pediatrics Physician · Kaneohe, HI NPI 1033280615 Lynn Yanagihara Pediatrics Physician · Kaneohe, HI NPI 1760555981 Melvin Chang Internal Medicine Physician · Kaneohe, HI NPI 1114092541
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.