DIANA YH CHEN M.D.
NPI 1356758650
Pediatrics - Pediatric Critical Care Medicine in Seattle, WA
About Diana Yh Chen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA YH CHEN M.D. (NPI 1356758650) is an individual pediatric critical care medicine provider in Seattle, Washington, licensed in Washington (MD.MD.61151558) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Diana Yh Chen 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 Reassignments
2Medicare enrollment records show Diana Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Yuba City, CA 95991
- Reassigned Medicare billing, California enrollment
- 3,056 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 Diana Chen's NPI number?
The NPI number for Diana Chen is 1356758650. It was assigned to this individual provider in the NPPES registry on July 18, 2014.
Where is Diana Chen located?
Diana Chen practices at 4800 Sand Point Way NE, Seattle, WA 98105. The listed phone number is (206) 987-2000.
What is Diana Chen's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Diana Chen enrolled in Medicare?
Yes. Diana Chen 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 Diana Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Chen reassigns Medicare benefits to 2 organizations: Association Of Chmc And University Physicians (Seattle, WA) and Sutter Valley Medical Foundation (Yuba City, CA). 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 Diana Chen'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 Diana Chen was last updated on April 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Diana Yh Chen, M.D. · NPI 1356758650
Pediatric Critical Care Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since July 18, 2014.
## Identity
- **NPI:** 1356758650 (Entity type: Individual)
- **Enumerated:** July 18, 2014
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** MD.MD.61151558 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4800 SAND POINT WAY NE, Seattle, WA 98105-3901
- **Phone:** (206) 987-2000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Association Of Chmc And University Physicians (NPI 1649497827, Seattle, WA); Sutter Valley Medical Foundation (NPI 1992939565, Yuba City, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 18, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1356758650) · Data from the CMS NPPES public registry.