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

Roy M Matsuyama, MD

Individual provider Gastroenterology Physician · NPI 1144356783

Roy M Matsuyama, MD is a Gastroenterology in Kahului, Hawaii. Graduated from University of Hawaii John A. Burns School of Medicine in 1980, 46 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Hawaii.

Years since qualifying
46
Trained at
University of Hawaii John A. Burns School of Medicine
Licensed in
HI
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

173 Hoohana St Ste 104
Kahului, HI 96732-2482
Phone: (808) 871-7222
Fax: (808) 871-2222
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 17851 (HI)

Record details

NPI number1144356783
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 26, 2007
Last updated in NPPESFebruary 3, 2015

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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