Dr. Karen Williams DO, Mph
About this NPIWhat this record shows.
NPI 1821436072 is registered to Dr. Karen Williams DO, Mph, a Hospitalist practising at 747 Broadway in Seattle, Washington. Hospitalist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Karen Williams DO, Mph has been enumerated in the National Provider Identifier (NPI) registry since 2013.
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
- 2196091WA
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20180516000397Internal MedicineTX
- I20211116002737HospitalistWA
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 Dr. Karen Williams DO, Mph accepts. To confirm in-network status with your specific health plan, contact Dr. Karen Williams DO, Mph directly at (206) 215-2520.
Frequently asked
Yes. NPI 1821436072 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hospitalist 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) 215-2520.
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. Dr. Karen Williams DO, Mph is a Type-1 individual NPI.