DR. SAI-WING CHAN MD
NPI 1508285180
Obstetrics & Gynecology in Santa Clara, CA
About Dr. Sai-wing Chan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAI-WING CHAN MD (NPI 1508285180) is an individual obstetrics & gynecology provider in Santa Clara, California, licensed in California (A138705) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Sai-wing Chan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sai-wing Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 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 95051 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.
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
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 Sai-wing Chan's NPI number?
The NPI number for Sai-wing Chan is 1508285180. It was assigned to this individual provider in the NPPES registry on April 10, 2014.
Where is Sai-wing Chan located?
Sai-wing Chan practices at 710 Lawrence Expy Gme Office, Santa Clara, CA 95051. The listed phone number is (408) 851-3842.
What is Sai-wing Chan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Sai-wing Chan enrolled in Medicare?
Yes. Sai-wing Chan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sai-wing Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sai-wing Chan reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). 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 Sai-wing Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sai-wing Chan was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.