ANNA L. WALTON MD
NPI 1114389129
Obstetrics & Gynecology in Seattle, WA
About Anna L. Walton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA L. WALTON MD (NPI 1114389129) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (MD61076597) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Bellevue.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Anna L. Walton Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Anna Walton 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 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 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 12
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 Anna Walton's NPI number?
The NPI number for Anna Walton is 1114389129. It was assigned to this individual provider in the NPPES registry on March 28, 2016.
Where is Anna Walton located?
Anna Walton practices at 1101 Madison St Ste 950, Seattle, WA 98104. The listed phone number is (206) 682-5800.
What is Anna Walton's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Anna Walton enrolled in Medicare?
Yes. Anna Walton is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Anna Walton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Walton reassigns Medicare benefits to 2 organizations: Proliance Surgeons, Inc., P.S. (Seattle, WA) and Kaiser Foundation Health Plan Of Washington (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 Anna Walton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Anna Walton was last updated on December 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.