Margaret Sigley MD
About this NPIWhat this record shows.
NPI 1346318946 is registered to Margaret Sigley MD, a Pediatrics practising at 4400 37th Ave S in Seattle, Washington. Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21. Margaret Sigley MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 8197907WA
Other
- A23420CA· Issued by CALIFORNIA LICENSE
- MD00012585WA· Issued by WASHINGTON LICENSE
Source: NPPES public registry.
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 Sigley MD accepts. To confirm in-network status with your specific health plan, contact Margaret Sigley MD directly at (206) 296-4650.
Frequently asked
Yes. NPI 1346318946 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21.
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) 296-4650.
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 Sigley MD is a Type-1 individual NPI.