MR. ERIC MICHAEL CHANG M.D.
NPI 1114304870
Radiology - Radiation Oncology in Portland, OR
About Mr. Eric Michael Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ERIC MICHAEL CHANG M.D. (NPI 1114304870) is an individual radiation oncology provider in Portland, Oregon, licensed in Oregon (MD197811) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Coos Bay, and is a graduate of University Of California, San Francisco School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Mr. Eric Michael Chang 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 Eric Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97209
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1871848457 (Washington)
- 3,207 clinicians in this Medicare group
Coos Bay, OR 97420
- Reassigned Medicare billing, Oregon enrollment
- 327 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 97239 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97239
PORTLAND, OR 97239
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 1114304870. It was assigned to this individual provider in the NPPES registry on May 1, 2015.
Where is Eric Chang located?
Eric Chang practices at 3181 SW Sam Jackson Park Rd # L337, Portland, OR 97239. The listed phone number is (503) 494-8756.
What is Eric Chang's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
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 organizations bill Medicare for Eric Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Chang reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Northwest (Portland, OR) and Bay Area Hospital District (Coos Bay, OR). 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 Eric Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Chang accept?
Health plans from Kaiser Permanente and Moda Health Plan, Inc. list Eric Chang 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 Eric Chang was last updated on October 29, 2020. 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.
# Mr. Eric Michael Chang, M.D. · NPI 1114304870
Radiation Oncology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since May 1, 2015.
## Identity
- **NPI:** 1114304870 (Entity type: Individual)
- **Enumerated:** May 1, 2015
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** MD197811 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD # L337, Portland, OR 97239-3011
- **Phone:** (503) 494-8756
## 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): Kaiser Foundation Health Plan Of The Northwest (NPI 1649722034, Portland, OR); Bay Area Hospital District (NPI 1225016561, Coos Bay, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** October 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1114304870) · Data from the CMS NPPES public registry.