ELIZABETH KATHERINE ANDERSON ARNP
NPI 1811132210
Nurse Practitioner - Family in Seattle, WA

Active since December 14, 2008PECOS EnrolledAccepts Medicare Assignment
1101 MADISON ST STE 1150, SEATTLE, WA 98104(206) 386-3400(206) 386-3411 Get Directions Write a Review

NPPES record last updated: September 13, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1811132210
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameELIZABETH KATHERINE ANDERSONCredential: ARNP
Location Address1101 MADISON ST STE 1150Seattle, WA 98104
Mailing Address1101 Madison St Ste 1150Seattle, WA 98104-3558 · (206) 386-3400 · Fax (206) 386-3411
Fax(206) 386-3411
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateDecember 14, 2008
Last NPPES UpdateSeptember 13, 2018
✔ NPI 1811132210 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WA · AP60066936
1101 MADISON ST STE 1150, Seattle, WA 98104

Secondary Practice Location 1

Location 1747 BroadwaySeattle, WA 98122-4379 · Phone (206) 215-9853

Other Identifiers 1

Medicaid2000639WA

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.

PECOS PAC ID9032258488
PECOS Enrollment IDI20091125000201
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Obstetrics & Gynecology
1101 MADISON ST STE 950
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 589 clinicians in this Medicare group
Obstetrics & Gynecology
1101 MADISON ST STE 1150
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.

New Patient
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Obstetrics & Gynecology
1101 MADISON ST STE 1150
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 1150
SEATTLE, WA 98104
Obstetrics & Gynecology (Obstetrics)
1101 MADISON ST STE 1150
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 1150
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 1150
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 1150
SEATTLE, WA 98104
Nurse Practitioner (Women's Health)
1101 MADISON ST STE 1150
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 1150
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.