Margaret Siegfried Arnp
Also known as
- Formerly known asStewart-Gordon, Margaret Fay
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1164752655 is registered to Margaret Siegfried Arnp, a Acute Care Nurse Practitioner practising at 1101 Madison St, Ste 200 in Seattle, Washington. Acute Care Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Margaret Siegfried Arnp has been enumerated in the National Provider Identifier (NPI) registry since 2010.
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
- I20100319000655Nurse PractitionerWA
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 Margaret Siegfried Arnp accepts. To confirm in-network status with your specific health plan, contact Margaret Siegfried Arnp directly at (206) 386-3660.
Frequently asked
Yes. NPI 1164752655 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Acute Care 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) 386-3660.
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. Margaret Siegfried Arnp is a Type-1 individual NPI.