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

Mr. Gaku Yamaguchi, MD

Individual provider Family Medicine Physician · NPI 1033592126

Mr. Gaku Yamaguchi, MD is a Family Practice in Hilo, Hawaii. Qualified in 2015, 11 years ago. Practices with Hui Malama Ola NA Oiwi, a 4-clinician group and accepts Medicare assignment. Licensed in Hawaii.

Years since qualifying
11
Licensed in
HI
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1438 Kilauea Ave
Hilo, HI 96720-4286
Phone: (808) 969-9220
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD-19597 (HI)

Record details

NPI number1033592126
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2015
Last updated in NPPESDecember 19, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Hui Malama Ola Na Oiwi — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Hilo