DR. JOY KAI-YANG ZIA M.D.
NPI 1356559462
Obstetrics & Gynecology in Seattle, WA
About Dr. Joy Kai-yang Zia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOY KAI-YANG ZIA M.D. (NPI 1356559462) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (MD60167307) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Joy Kai-yang Zia M.d. 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 Reassignment
Medicare enrollment records show Joy Zia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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 98107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98107
SEATTLE, WA 98107
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 Joy Zia's NPI number?
The NPI number for Joy Zia is 1356559462. It was assigned to this individual provider in the NPPES registry on May 21, 2007.
Where is Joy Zia located?
Joy Zia practices at 1455 NW Leary Way Ste 250, Seattle, WA 98107. The listed phone number is (206) 520-5000.
What is Joy Zia's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Joy Zia enrolled in Medicare?
Yes. Joy Zia 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 organization bills Medicare for Joy Zia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joy Zia reassigns Medicare benefits to The Association Of University Physicians (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 Joy Zia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joy Zia accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Joy Zia 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 Joy Zia was last updated on February 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Joy Kai-Yang Zia, M.D. · NPI 1356559462
Obstetrics & Gynecology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 21, 2007.
## Identity
- **NPI:** 1356559462 (Entity type: Individual)
- **Enumerated:** May 21, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD60167307 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1455 NW LEARY WAY STE 250, Seattle, WA 98107-5138
- **Phone:** (206) 520-5000
## 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:** The Association Of University Physicians (NPI 1023041159, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Hawaii John A. Burns School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** February 6, 2020
- **Other identifiers:** Medicaid 1356559462 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1356559462) · Data from the CMS NPPES public registry.