CASSIE KAI-CHI CHOU M.D., PH.D.
NPI 1073930277
Pediatrics - Pediatric Hematology-Oncology in Seattle, WA
About Cassie Kai-chi Chou M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE KAI-CHI CHOU M.D., PH.D. (NPI 1073930277) is an individual pediatric hematology-oncology provider in Seattle, Washington, licensed in Washington (MD60750593) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Cassie Kai-chi Chou M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cassie Chou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: The Association Of Chrmc And University Physicians
- 1,443 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
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 Cassie Chou's NPI number?
The NPI number for Cassie Chou is 1073930277. It was assigned to this individual provider in the NPPES registry on March 25, 2014.
Where is Cassie Chou located?
Cassie Chou practices at 4800 Sand Point Way NE Oc.7.830, Seattle, WA 98105. The listed phone number is (206) 870-8880.
What is Cassie Chou's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Cassie Chou enrolled in Medicare?
Yes. Cassie Chou is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cassie Chou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Chou reassigns Medicare benefits to Association Of Chmc And 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 Cassie Chou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassie Chou accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Cassie Chou 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 Cassie Chou was last updated on September 21, 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.
# Cassie Kai-Chi Chou, M.D., PH.D. · NPI 1073930277
Pediatric Hematology-Oncology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 25, 2014.
## Identity
- **NPI:** 1073930277 (Entity type: Individual)
- **Enumerated:** March 25, 2014
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** MD60750593 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 4800 SAND POINT WAY NE, OC.7.830, Seattle, WA 98105-3901
- **Phone:** (206) 870-8880
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Association Of Chmc And University Physicians (NPI 1649497827, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 21, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1073930277) · Data from the CMS NPPES public registry.