SANG U KIM M.D.
NPI 1225070170
Internal Medicine - Gastroenterology in Bellevue, WA
About Sang U Kim M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANG U KIM M.D. (NPI 1225070170) is an individual gastroenterology provider in Bellevue, Washington, licensed in Washington (MD00030024) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Confluence Health Hospital, and maintains a secondary practice location in Durango.
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
Sang U Kim 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
3Medicare enrollment records show Sang Kim reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- 148 clinicians in this Medicare group
Wenatchee, WA 98801
- Reassigned Medicare billing, Washington enrollment
- 651 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 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 8
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.
Confluence Health Hospital
Acute Care Hospitals · Wenatchee, WAOverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician 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.
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.
BELLEVUE, WA 98004
BELLEVUE, WA 98004
BELLEVUE, WA 98004
BELLEVUE, WA 98004
BELLEVUE, WA 98004
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 Sang Kim's NPI number?
The NPI number for Sang Kim is 1225070170. It was assigned to this individual provider in the NPPES registry on June 12, 2006.
Where is Sang Kim located?
Sang Kim practices at 1135 116th Ave NE Suite 560, Bellevue, WA 98004. The listed phone number is (425) 467-0150.
What is Sang Kim's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Sang Kim enrolled in Medicare?
Yes. Sang Kim 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 Sang Kim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sang Kim reassigns Medicare benefits to 3 organizations: Washington Gastroenterology PLLC (Federal Way, WA), Central Washington Health Services Association (Wenatchee, WA) and Yakima Valley Memorial Physicians (Yakima, WA). 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 Sang Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sang Kim accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sang Kim 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 Sang Kim affiliated with any hospitals?
According to CMS data, Sang Kim is affiliated with Confluence Health Hospital and Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Sang Kim was last updated on March 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Sang U Kim, M.D. · NPI 1225070170
Gastroenterology physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since June 12, 2006.
## Identity
- **NPI:** 1225070170 (Entity type: Individual)
- **Enumerated:** June 12, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD00030024 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1135 116TH AVE NE, SUITE 560, Bellevue, WA 98004-4623
- **Phone:** (425) 467-0150 · **Fax:** (425) 467-0599
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Washington Gastroenterology PLLC (NPI 1245265826, Federal Way, WA); Central Washington Health Services Association (NPI 1801937453, Wenatchee, WA); Yakima Valley Memorial Physicians (NPI 1306933940, Yakima, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** March 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1225070170) · Data from the CMS NPPES public registry.