JONATHAN SEHJIN CHUN MD
NPI 1396777926
Surgery in Portland, OR
About Jonathan Sehjin Chun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN SEHJIN CHUN MD (NPI 1396777926) is an individual surgery provider in Portland, Oregon, licensed in Oregon (MD176699) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Washington University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Jonathan Sehjin Chun Md 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 Jonathan Chun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97216
- Reassigned Medicare billing, Oregon enrollment
- 137 clinicians in this Medicare group
Portland, OR 97216
- Reassigned Medicare billing, Oregon enrollment
- 331 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 2
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORAdventist Health Portland
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97216 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jonathan Chun's NPI number?
The NPI number for Jonathan Chun is 1396777926. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is Jonathan Chun located?
Jonathan Chun practices at 10000 SE Main St Ste 316, Portland, OR 97216. The listed phone number is (503) 256-1575.
What is Jonathan Chun's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Jonathan Chun enrolled in Medicare?
Yes. Jonathan Chun 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 Jonathan Chun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Chun reassigns Medicare benefits to 2 organizations: Portland Adventist Medical Center (Portland, OR) and Portland Adventist Medical Center (Portland, 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 Jonathan Chun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Chun accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Jonathan Chun 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.
Is Jonathan Chun affiliated with any hospitals?
According to CMS data, Jonathan Chun is affiliated with Ohsu Hospital And Clinics and Adventist Health Portland.
When was this NPI record last updated?
The NPPES record for Jonathan Chun was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Jonathan Sehjin Chun, MD · NPI 1396777926
Surgery physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1396777926 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD176699 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 10000 SE MAIN ST STE 316, Portland, OR 97216-2470
- **Phone:** (503) 256-1575 · **Fax:** (503) 253-9848
## 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): Portland Adventist Medical Center (NPI 1215910302, Portland, OR); Portland Adventist Medical Center (NPI 1437925310, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** February 13, 2025
- **Other identifiers:** Medicaid 2059813 (WA); Medicaid 500705766 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1396777926) · Data from the CMS NPPES public registry.