SHELLEY D. MIKSIS RN, ARNP
NPI 1396731980
Nurse Practitioner - Women's Health in Seattle, WA
About Shelley D. Miksis Rn, Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHELLEY D. MIKSIS RN, ARNP (NPI 1396731980) is an individual women's health provider in Seattle, Washington, licensed in Washington (AP30005987) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 2
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
Shelley D. Miksis Rn, 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 Shelley Miksis 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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
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 Shelley Miksis's NPI number?
The NPI number for Shelley Miksis is 1396731980. It was assigned to this individual provider in the NPPES registry on September 20, 2005.
Where is Shelley Miksis located?
Shelley Miksis practices at 1101 Madison St Ste 1150, Seattle, WA 98104. The listed phone number is (206) 386-3400.
What is Shelley Miksis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Shelley Miksis enrolled in Medicare?
Yes. Shelley Miksis 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 Shelley Miksis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shelley Miksis 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 Shelley Miksis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shelley Miksis accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Shelley Miksis 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 Shelley Miksis was last updated on April 3, 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.