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Internal Medicine

Siyu Zheng, MD

Sees patients in Mather, CA · Rancho Cordova, CA · California

Summary

Dr. Siyu Zheng, MD is an internal medicine doctor at 10545 Armstrong Ave, Suite 1200, Mather, CA 95655. May accept Medicare assignment. NPI 1295438307. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 10545 Armstrong Ave, Suite 1200, Mather, CA 95655 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: Tufts University School Of Medicine · graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Siyu Zheng, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Siyu Zheng accept Medicare assignment?
Medicare's clinician data says Siyu Zheng may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Siyu Zheng's NPI number?
1295438307. 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 Siyu Zheng is enrolled with Medicare (CMS data updated October 2, 2026).

  • 10545 Armstrong Ave, Suite 1200Mather, CA 95655
  • 10850 White Rock RdRancho Cordova, CA 95670

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in California

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

All internal medicine doctors in California →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1295438307
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 October 2, 2026, retrieved October 29, 2026
  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