WINSTON PHILIP CHOI MD
NPI 1598811192
Anesthesiology in Bellevue, WA
About Winston Philip Choi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WINSTON PHILIP CHOI MD (NPI 1598811192) is an individual anesthesiology provider in Bellevue, Washington, licensed in Washington (60226518) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of University Of Michigan Medical School (2006).
NPPES Registry Identity
Specialties & Licenses
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
Winston Philip Choi 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 Winston Choi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 94 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 3
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.
Overlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAOther Providers at the Same Location NPPES 2
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 Winston Choi's NPI number?
The NPI number for Winston Choi is 1598811192. It was assigned to this individual provider in the NPPES registry on January 26, 2007.
Where is Winston Choi located?
Winston Choi practices at 3005 112th Ave NE Ste 210, Bellevue, WA 98004. The listed phone number is (650) 544-7928.
What is Winston Choi's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Winston Choi enrolled in Medicare?
Yes. Winston Choi 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 Winston Choi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Winston Choi reassigns Medicare benefits to Matrix Anesthesia, Ps (Bellevue, 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 Winston Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Winston Choi affiliated with any hospitals?
According to CMS data, Winston Choi is affiliated with Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Winston Choi was last updated on October 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.