DR. ROGER SAY CHAN M.D.
NPI 1164530606
Internal Medicine - Cardiovascular Disease in Olympia, WA
About Dr. Roger Say Chan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROGER SAY CHAN M.D. (NPI 1164530606) is an individual cardiovascular disease provider in Olympia, Washington, licensed in Washington (MD60002105) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and is a graduate of University Of California, San Diego School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Roger Say Chan 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
2Medicare enrollment records show Roger Chan 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
- 34 clinicians in this Medicare group
Mossyrock, WA 98564
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1154361814 (Washington)
- 54 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 17
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Peter Hospital
Acute Care Hospitals · Olympia, WACapital Medical Center
Acute Care Hospitals · Olympia, WAWillapa Harbor Hospital
Critical Access Hospitals · South Bend, WASummit Pacific Medical Center
Critical Access Hospitals · Elma, WAMason General Hospital & Family Of Clinics
Critical Access Hospitals · Shelton, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98502 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLYMPIA, WA 98502
OLYMPIA, WA 98502
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 Roger Chan's NPI number?
The NPI number for Roger Chan is 1164530606. It was assigned to this individual provider in the NPPES registry on August 25, 2006.
Where is Roger Chan located?
Roger Chan practices at 406-A Black Hills Ln SW, Olympia, WA 98502. The listed phone number is (360) 754-1737.
What is Roger Chan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Roger Chan enrolled in Medicare?
Yes. Roger Chan 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 Roger Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roger Chan reassigns Medicare benefits to 2 organizations: Olympia Multi Specialty Clinic (Olympia, WA) and Lewis County Hospital District No 1 (Mossyrock, 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 Roger Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roger Chan accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Roger Chan 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 Roger Chan affiliated with any hospitals?
According to CMS data, Roger Chan is affiliated with Providence St Peter Hospital, Capital Medical Center, Willapa Harbor Hospital, Summit Pacific Medical Center and Mason General Hospital & Family Of Clinics.
When was this NPI record last updated?
The NPPES record for Roger Chan was last updated on May 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.