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

Dr. Stewart Y. Matsumoto, MD, FACC

Individual provider Cardiovascular Disease Physician · NPI 1912955253

Dr. Stewart Y. Matsumoto, MD, FACC is a Cardiovascular Disease 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?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
FACC — Fellow of the American College of Cardiology
A cardiologist admitted as a fellow of the ACC.

See every abbreviation used in this directory →

Practice location Address checks out

1060 Young St Ste 325
Honolulu, HI 96814-1609
Phone: (808) 621-6459
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 3058 (HI)

Record details

NPI number1912955253
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , FACC
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESApril 26, 2010

Other providers in Honolulu