JU YONG KOH DO
NPI 1689134751
Obstetrics & Gynecology in Bellevue, WA
About Ju Yong Koh Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JU YONG KOH DO (NPI 1689134751) is an individual obstetrics & gynecology provider in Bellevue, Washington, licensed in Washington (DO.OP.70121943-IMLC) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Delnor Community Hospital, and is a graduate of Campbell Univ School Of Osteopathic Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
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
Ju Yong Koh Do 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 Ju Yong Koh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 566 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98004 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ju Yong Koh's NPI number?
The NPI number for Ju Yong Koh is 1689134751. It was assigned to this individual provider in the NPPES registry on March 23, 2019.
Where is Ju Yong Koh located?
Ju Yong Koh practices at 1231 116th Ave NE Bldg 5, Bellevue, WA 98004. The listed phone number is (425) 454-3366.
What is Ju Yong Koh's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ju Yong Koh enrolled in Medicare?
Yes. Ju Yong Koh 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 Ju Yong Koh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ju Yong Koh reassigns Medicare benefits to 2 organizations: Overlake Medical Clinics, LLC (Bellevue, WA) and Central Dupage Physician Group (Carol Stream, IL). 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 Ju Yong Koh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ju Yong Koh accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Ju Yong Koh 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 Ju Yong Koh affiliated with any hospitals?
According to CMS data, Ju Yong Koh is affiliated with Northwestern Medicine Delnor Community Hospital and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Ju Yong Koh was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ju Yong Koh, DO · NPI 1689134751
Obstetrics & Gynecology physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since March 23, 2019.
## Identity
- **NPI:** 1689134751 (Entity type: Individual)
- **Enumerated:** March 23, 2019
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** DO.OP.70121943-IMLC (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1231 116TH AVE NE BLDG 5, Bellevue, WA 98004-3804
- **Phone:** (425) 454-3366
## 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): Overlake Medical Clinics, LLC (NPI 1801828421, Bellevue, WA); Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Campbell Univ School Of Osteopathic Medicine, class of 2019
## Record status
- **NPPES last updated:** July 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689134751) · Data from the CMS NPPES public registry.