MRS. JOANNA STAGG MA, PSYD
NPI 1184938144
Psychologist in Seattle, WA
About Mrs. Joanna Stagg Ma, Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. JOANNA STAGG MA, PSYD (NPI 1184938144) is an individual psychologist in Seattle, Washington, licensed in Washington (PY60190304) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Joanna Stagg Ma, Psyd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Joanna Stagg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Joanna Stagg's NPI number?
The NPI number for Joanna Stagg is 1184938144. It was assigned to this individual provider in the NPPES registry on August 2, 2010.
Where is Joanna Stagg located?
Joanna Stagg practices at 5150 S Orcas St, Seattle, WA 98118. The listed phone number is (206) 580-3160.
What is Joanna Stagg's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Joanna Stagg enrolled in Medicare?
Yes. Joanna Stagg is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Joanna Stagg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Stagg reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Seattle, WA). The 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 Joanna Stagg'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 Joanna Stagg was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.