Stewart Matsumoto, M.D.,FACC
NPI 1912955253 · Cardiovascular Disease Physician · Honolulu, HI
Stewart Matsumoto, M.D.,FACC is a Cardiovascular Disease Physician provider in Honolulu, HI (NPI 1912955253).
Provider details
- NPI number
- 1912955253
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,FACC
- Sex
- Male
- Sole proprietor
- No
- License
- 3058 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2010-04-26
Frequently asked questions
- What is Stewart Matsumoto's NPI number?
- Stewart Matsumoto's National Provider Identifier (NPI) is 1912955253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stewart Matsumoto's specialty?
- Stewart Matsumoto is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Stewart Matsumoto located?
- Stewart Matsumoto's practice location on file with NPPES is 1060 Young St, Honolulu, HI 96814-1609.
- What is Stewart Matsumoto's phone number?
- The practice phone number listed in the NPPES registry for Stewart Matsumoto is (808) 621-6459.
- Is Stewart Matsumoto's NPI active?
- Yes — Stewart Matsumoto's NPI (1912955253) is active in the NPPES registry as of the last update on 2010-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.