ERIC YANBO CHANG
NPI 1346777315
Internal Medicine - Hematology & Oncology in Seattle, WA
About Eric Yanbo Chang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIC YANBO CHANG (NPI 1346777315) is an individual hematology & oncology provider in Seattle, Washington, licensed in Washington (MD.MD.70131760) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of University Of Rochester School Of Medicine And Dentistry (2017).
NPPES Registry Identity
Specialties & Licenses 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
Eric Yanbo Chang 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 Eric Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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 7
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 98109 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98109
SEATTLE, WA 98109
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 Eric Chang's NPI number?
The NPI number for Eric Chang is 1346777315. It was assigned to this individual provider in the NPPES registry on May 22, 2017.
Where is Eric Chang located?
Eric Chang practices at 825 Eastlake Ave E, Seattle, WA 98109. The listed phone number is (206) 520-5000.
What is Eric Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Eric Chang enrolled in Medicare?
Yes. Eric Chang 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 Eric Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Chang reassigns Medicare benefits to Yale University (Hamden, CT). 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 Eric Chang'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 Eric Chang was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Eric Yanbo Chang · NPI 1346777315
Hematology & Oncology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 22, 2017.
## Identity
- **NPI:** 1346777315 (Entity type: Individual)
- **Enumerated:** May 22, 2017
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** MD.MD.70131760 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 825 EASTLAKE AVE E, Seattle, WA 98109-4405
- **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:** Yale University (NPI 1134391824, Hamden, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 2017
## Record status
- **NPPES last updated:** September 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1346777315) · Data from the CMS NPPES public registry.