JAMES YOON MD
NPI 1750735700
Internal Medicine - Nephrology in Vancouver, WA
About James Yoon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES YOON MD (NPI 1750735700) is an individual nephrology provider in Vancouver, Washington, licensed in Washington (MD61181685) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Kaiser Sunnyside Medical Center, and maintains a secondary practice location in Vancouver.
NPPES Registry Identity
Specialties & Licenses 2
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
James Yoon 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 Reassignment
Medicare enrollment records show James Yoon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vancouver, WA 98686
- Reassigned Medicare billing, Washington and Oregon enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1093043424 (Oregon)
- 2,534 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaiser Sunnyside Medical Center
Acute Care Hospitals · Clackamas, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98686 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 20
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 James Yoon's NPI number?
The NPI number for James Yoon is 1750735700. It was assigned to this individual provider in the NPPES registry on April 15, 2016.
Where is James Yoon located?
James Yoon practices at 14406 NE 20th Ave, Vancouver, WA 98686. The listed phone number is (800) 813-2000.
What is James Yoon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is James Yoon enrolled in Medicare?
Yes. James Yoon 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 James Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Yoon reassigns Medicare benefits to Manor Care Of Salmon Creek Wa, Association (Vancouver, 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 James Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Yoon accept?
Health plans from Kaiser Permanente list James Yoon 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 James Yoon affiliated with any hospitals?
According to CMS data, James Yoon is affiliated with Kaiser Sunnyside Medical Center.
When was this NPI record last updated?
The NPPES record for James Yoon was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# James Yoon, MD · NPI 1750735700
Nephrology physician in Vancouver, Washington. Individual provider, active in the CMS NPPES registry since April 15, 2016.
## Identity
- **NPI:** 1750735700 (Entity type: Individual)
- **Enumerated:** April 15, 2016
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** MD61181685 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14406 NE 20TH AVE, Vancouver, WA 98686-1448
- **Phone:** (800) 813-2000
## 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:** Manor Care Of Salmon Creek Wa, Association (NPI 1609171081, Vancouver, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** March 4, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1750735700) · Data from the CMS NPPES public registry.