QUAN CHEN MD
NPI 1174086029
Emergency Medicine in San Leandro, CA
About Quan Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
QUAN CHEN MD (NPI 1174086029) is an individual emergency medicine provider in San Leandro, California, licensed in California (A180358) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fremont, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
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
Quan Chen 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 Quan Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redwood City, CA 94063
- 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.
Areas of Expertise CMS Part B claims
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94577 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.
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 Quan Chen's NPI number?
The NPI number for Quan Chen is 1174086029. It was assigned to this individual provider in the NPPES registry on April 8, 2019.
Where is Quan Chen located?
Quan Chen practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 454-1000.
What is Quan Chen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Quan Chen enrolled in Medicare?
Yes. Quan Chen 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 Quan Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Quan Chen reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, 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 Quan Chen'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 Quan Chen was last updated on August 8, 2022. 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.
# Quan Chen, MD · NPI 1174086029
Emergency Medicine physician in San Leandro, California. Individual provider, active in the CMS NPPES registry since April 8, 2019.
## Identity
- **NPI:** 1174086029 (Entity type: Individual)
- **Enumerated:** April 8, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A180358 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2500 MERCED ST, San Leandro, CA 94577-4201
- **Phone:** (510) 454-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1174086029) · Data from the CMS NPPES public registry.