CYNTHIA AMY QUAN MD
NPI 1659330249
Pediatrics in San Ramon, CA
About Cynthia Amy Quan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CYNTHIA AMY QUAN MD (NPI 1659330249) is an individual pediatrics provider in San Ramon, California, licensed in California (A62624) and active in the NPI registry since March 2006. She 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)
Cynthia Amy Quan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cynthia Quan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 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 94583 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.
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
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 Cynthia Quan's NPI number?
The NPI number for Cynthia Quan is 1659330249. It was assigned to this individual provider in the NPPES registry on March 21, 2006.
Where is Cynthia Quan located?
Cynthia Quan practices at 5601 Norris Canyon Rd Suite 230, San Ramon, CA 94583. The listed phone number is (925) 277-7550.
What is Cynthia Quan's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Cynthia Quan enrolled in Medicare?
Yes. Cynthia Quan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cynthia Quan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Quan reassigns Medicare benefits to Lpch Medical Group Div Of Lucile (Palo Alto, 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 Cynthia Quan'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 Cynthia Quan was last updated on October 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.