PETER ZANG
NPI 1962039669
Internal Medicine - Medical Oncology in Duarte, CA
About Peter Zang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER ZANG (NPI 1962039669) is an individual medical oncology provider in Duarte, California, licensed in California (A178505) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Peter Zang is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Peter Zang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 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 91010 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.
DUARTE, CA 91010
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 Zang's NPI number?
The NPI number for Peter Zang is 1962039669. It was assigned to this individual provider in the NPPES registry on March 24, 2020.
Where is Peter Zang located?
Peter Zang practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 218-7275.
What is Peter Zang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Peter Zang enrolled in Medicare?
Yes. Peter Zang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Peter Zang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Zang reassigns Medicare benefits to City Of Hope Medical Foundation (Duarte, 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 Peter Zang'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 Zang was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.