Mary Siemon RN Arnp
About this NPIWhat this record shows.
NPI 1891802641 is registered to Mary Siemon RN Arnp, a Nurse Practitioner practising at 180 Nickerson St, Ste 303 in Seattle, Washington. Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mary Siemon RN Arnp has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 Mary Siemon RN Arnp accepts. To confirm in-network status with your specific health plan, contact Mary Siemon RN Arnp directly at (206) 284-8963.
Frequently asked
Yes. NPI 1891802641 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nurse Practitioner 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) 284-8963.
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. Mary Siemon RN Arnp is a Type-1 individual NPI.