TOBUN TOBY CHEUNG M.D.
NPI 1508895509
Internal Medicine in Kennewick, WA
About Tobun Toby Cheung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOBUN TOBY CHEUNG M.D. (NPI 1508895509) is an individual internal medicine provider in Kennewick, Washington, licensed in Kentucky (41002) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tobun Toby Cheung M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Tobun Cheung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98502
- Reassigned Medicare billing, Washington enrollment
- 154 clinicians in this Medicare group
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- 208 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 99338 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.
KENNEWICK, WA 99338
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 Tobun Cheung's NPI number?
The NPI number for Tobun Cheung is 1508895509. It was assigned to this individual provider in the NPPES registry on July 2, 2006.
Where is Tobun Cheung located?
Tobun Cheung practices at 3810 Plaza Way, Kennewick, WA 99338. The listed phone number is (509) 221-7010.
What is Tobun Cheung's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tobun Cheung enrolled in Medicare?
Yes. Tobun Cheung is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tobun Cheung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tobun Cheung reassigns Medicare benefits to 2 organizations: Public Hospital District No 1 Of Mason County (Olympia, WA) and Jefferson County Public Hospital District No 2 (Silverdale, 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 Tobun Cheung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tobun Cheung accept?
Health plans from Providence Health Plan list Tobun Cheung 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 Tobun Cheung was last updated on January 12, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.