Dr. Stewart Matsumoto M.D., Facc
About this NPIWhat this record shows.
NPI 1912955253 is registered to Dr. Stewart Matsumoto M.D., Facc, a Cardiovascular Disease practising at 1060 Young St, Suite 325 in Honolulu, Hawaii. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. Dr. Stewart Matsumoto M.D., Facc has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- X4130-6HI· Issued by HMSA
Medicaid
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Stewart Matsumoto M.D., Facc accepts. To confirm in-network status with your specific health plan, contact Dr. Stewart Matsumoto M.D., Facc directly at (808) 621-6459.
Frequently asked
Yes. NPI 1912955253 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (808) 621-6459.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Stewart Matsumoto M.D., Facc is a Type-1 individual NPI.