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Hematology/Oncology

Cong Zhang, MD

Sees patients in Stockton, CA · California

Summary

Cong Zhang, MD (Hematology/Oncology) is enrolled with Medicare at 1 practice location in Stockton, CA. NPI 1356553317. 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 Cong 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
34Years since medical school (graduated 1992)
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Cong Zhang see patients?
Medicare's clinician data lists 1 practice location in Stockton, CA. Call before your visit to confirm the address.
What is Cong Zhang's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Cong Zhang accept Medicare assignment?
Yes. Medicare's clinician data says Cong 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.
Does Cong Zhang offer telehealth?
Medicare's clinician data says Cong Zhang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Cong Zhang?
(209) 476-2000, as listed in official Medicare / NPI Registry data.
What is Cong Zhang's NPI number?
1356553317. 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 Cong Zhang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Stockton

Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.

All hematologist-oncologists in Stockton →

Clinician information

CredentialMD
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1356553317
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