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About this NPIWhat this record shows.
NPI 1518835255 is registered to Kate Mason RN, a Ambulatory Care Registered Nurse practising at 5350 Tallman Ave Nw Ste 301 in Seattle, Washington. Ambulatory Care Registered Nurse is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Kate Mason RN has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Kate Mason RN accepts. To confirm in-network status with your specific health plan, contact Kate Mason RN directly at (206) 320-3335.
Frequently asked
Yes. NPI 1518835255 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Ambulatory Care Registered Nurse 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 (206) 320-3335.
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. Kate Mason RN is a Type-1 individual NPI.
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