Jack Singer MD
About this NPIWhat this record shows.
NPI 1750448940 is registered to Jack Singer MD, a Hematology & Oncology practising at Harborview Medical Center, 325 9th Ave in Seattle, Washington. Hematology & Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Jack Singer MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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.
Other
- 0059· Issued by INTERNAL ID-MOTOR VEHICLE ID
Medicaid
- 1802107WA
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 Jack Singer MD accepts. To confirm in-network status with your specific health plan, contact Jack Singer MD directly at (206) 731-3000.
Frequently asked
Yes. NPI 1750448940 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hematology & Oncology 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) 731-3000.
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. Jack Singer MD is a Type-1 individual NPI.