Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Yi Zhang, MD

Sees patients in Rancho Cucamonga, CA · California

Summary

Yi Zhang, MD (Emergency Medicine) is enrolled with Medicare at 1 practice location in Rancho Cucamonga, CA. NPI 1164466322. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Yi Zhang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
University Of California, Irvine, California College Of MedicineMedical school
FemaleGender (as listed)
Haven Elite Urgent CareGroup practice

Quick answers

Where does Yi Zhang see patients?
Medicare's clinician data lists 1 practice location in Rancho Cucamonga, CA. Call before your visit to confirm the address.
What is Yi Zhang's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Yi Zhang accept Medicare assignment?
Yes. Medicare's clinician data says Yi Zhang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Yi Zhang?
(909) 941-2273, as listed in official Medicare / NPI Registry data.
What is Yi Zhang's NPI number?
1164466322. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Yi Zhang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Yi Zhang as a member of this group (CMS data updated 2026-10-02).

  • Haven Elite Urgent Care5 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All emergency medicine doctors in California →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year1995
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164466322
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians