Ken Koyanagawa DO
About this NPIWhat this record shows.
NPI 1225603053 is registered to Ken Koyanagawa DO, a Emergency Medicine practising at 4205 Kitsap Way in Bremerton, Washington. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ken Koyanagawa DO has been enumerated in the National Provider Identifier (NPI) registry since 2021.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250717001053General PracticeNY
- I20250811002691Emergency MedicineWA
Source: CMS PECOS public enrollment file.
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 Ken Koyanagawa DO accepts. To confirm in-network status with your specific health plan, contact Ken Koyanagawa DO directly at (360) 782-7780.
Frequently asked
Yes. NPI 1225603053 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (360) 782-7780.
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. Ken Koyanagawa DO is a Type-1 individual NPI.