Dr. Mariko Harper MD
Also known as
- Formerly known asWelch, Mariko Patricia
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1336448513 is registered to Dr. Mariko Harper MD, a Cardiovascular Disease practising at 1100 9th Ave 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. Dr. Mariko Harper MD has been enumerated in the National Provider Identifier (NPI) registry since 2011.
Your brand here.
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
- I20170928004307Cardiovascular Disease (Cardiology)WA
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 Dr. Mariko Harper MD accepts. To confirm in-network status with your specific health plan, contact Dr. Mariko Harper MD directly at (206) 341-1111.
Frequently asked
Yes. NPI 1336448513 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) 341-1111.
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. Mariko Harper MD is a Type-1 individual NPI.