Kenneth Mahrer MD
About this NPIWhat this record shows.
NPI 1013989979 is registered to Kenneth Mahrer MD, a Cardiovascular Disease practising at 1100 9th Ave, Ms:m4 - PA in Seattle, Washington. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. Kenneth Mahrer MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- MD6633WA· Issued by ALASKA MEDICAID
- 806332000WA· Issued by IDAHO MEDICAID
- MA5090WA· Issued by INDIVIDUAL BLUE SHIELD
- 060051021WA· Issued by RAILROAD MEDICARE
Medicaid
- 8180978WA
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20081128000010Cardiovascular Disease (Cardiology)CA
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 Kenneth Mahrer MD accepts. To confirm in-network status with your specific health plan, contact Kenneth Mahrer MD directly at (206) 223-6600.
Frequently asked
Yes. NPI 1013989979 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 (206) 223-6600.
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. Kenneth Mahrer MD is a Type-1 individual NPI.