Clayton Mathewson PH.D.
About this NPIWhat this record shows.
NPI 1801126065 is registered to Clayton Mathewson PH.D., a Counselor practising at 1215 Sw 18th Ave in Portland, Oregon. Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Clayton Mathewson PH.D. has been enumerated in the National Provider Identifier (NPI) registry since 2010.
Your brand here.
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 Clayton Mathewson PH.D. accepts. To confirm in-network status with your specific health plan, contact Clayton Mathewson PH.D. directly at (503) 224-1223.
Frequently asked
Yes. NPI 1801126065 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Counselor 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 (503) 224-1223.
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. Clayton Mathewson PH.D. is a Type-1 individual NPI.