Tonja Dirkx MD
About this NPIWhat this record shows.
NPI 1790872745 is registered to Tonja Dirkx MD, a Nephrology Physician practising at 3181 Sw Sam Jackson Park Rd in Portland, Oregon. Nephrology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Tonja Dirkx MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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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 Tonja Dirkx MD accepts. To confirm in-network status with your specific health plan, contact Tonja Dirkx MD directly at (503) 494-8490.
Frequently asked
Yes. NPI 1790872745 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nephrology Physician 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) 494-8490.
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. Tonja Dirkx MD is a Type-1 individual NPI.