ELIZABETH KATHERINE ANDERSON ARNP
NPI 1811132210
Nurse Practitioner - Family in Seattle, WA
About Elizabeth Katherine Anderson Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH KATHERINE ANDERSON ARNP (NPI 1811132210) is an individual family provider in Seattle, Washington, licensed in Washington (AP60066936) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Elizabeth Katherine Anderson Arnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Elizabeth Anderson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 589 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Womens Healthcare Alliance PLLC
- 16 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98104
SEATTLE, WA 98104
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Elizabeth Anderson's NPI number?
The NPI number for Elizabeth Anderson is 1811132210. It was assigned to this individual provider in the NPPES registry on December 14, 2008.
Where is Elizabeth Anderson located?
Elizabeth Anderson practices at 1101 Madison St Ste 1150, Seattle, WA 98104. The listed phone number is (206) 386-3400.
What is Elizabeth Anderson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Elizabeth Anderson enrolled in Medicare?
Yes. Elizabeth Anderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Elizabeth Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Anderson reassigns Medicare benefits to 2 organizations: Proliance Surgeons, Inc., P.S. (Seattle, WA) and Women's Healthcare Alliance PLLC (Seattle, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Anderson accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Elizabeth Anderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Elizabeth Anderson was last updated on September 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Elizabeth Katherine Anderson, ARNP · NPI 1811132210
Family physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since December 14, 2008.
## Identity
- **NPI:** 1811132210 (Entity type: Individual)
- **Enumerated:** December 14, 2008
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP60066936 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1101 MADISON ST STE 1150, Seattle, WA 98104
- **Phone:** (206) 386-3400 · **Fax:** (206) 386-3411
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Proliance Surgeons, Inc., P.S. (NPI 1740727106, Seattle, WA); Women's Healthcare Alliance PLLC (NPI 1821409111, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** September 13, 2018
- **Other identifiers:** Medicaid 2000639 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1811132210) · Data from the CMS NPPES public registry.