DR. PETER CHEN MD
NPI 1033163357
Surgery in Alhambra, CA
About Dr. Peter Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER CHEN MD (NPI 1033163357) is an individual surgery provider in Alhambra, California, licensed in California (C38336) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Peter Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Peter Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 37 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 91801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Peter Chen's NPI number?
The NPI number for Peter Chen is 1033163357. It was assigned to this individual provider in the NPPES registry on May 20, 2006.
Where is Peter Chen located?
Peter Chen practices at 1000 South Garfield Avenue, Alhambra, CA 91801. The listed phone number is (626) 281-3383.
What is Peter Chen's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Peter Chen enrolled in Medicare?
Yes. Peter Chen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Peter Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Chen reassigns Medicare benefits to 2 organizations: Buddhist Tzu Chi Medical Foundation (Alhambra, CA) and New Foundation Medical Inc. (Santa Ana, CA). 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 Peter 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 Peter Chen was last updated on December 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.