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Radiation Oncology

Joanna C. Yang, MD

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Belleville, IL · Missouri, Illinois

Summary

Joanna C. Yang, MD (Radiation Oncology) is listed by Medicare at 4 hospitals in Saint Louis, MO, Creve Coeur, MO and Belleville, IL. NPI 1972947901. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joanna C. Yang, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
Icahn School Of Medicine At Mount SinaiMedical school
FemaleGender (as listed)
Washington UniversityGroup practice (+1 more)

Quick answers

Which hospitals does Joanna C. Yang work at?
Medicare's official clinician data lists Joanna C. Yang at 4 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Christian Hospital Northeast and Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joanna C. Yang see patients?
Medicare's clinician data lists 4 practice locations, including Belleville, IL, Saint Louis, MO and Alton, IL. Call before your visit to confirm the address.
What is Joanna C. Yang's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Joanna C. Yang accept Medicare assignment?
Yes. Medicare's clinician data says Joanna C. Yang 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 Joanna C. Yang?
(314) 362-9715, as listed in official Medicare / NPI Registry data.
What is Joanna C. Yang's NPI number?
1972947901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joanna C. Yang works

Medicare's Facility Affiliation Data lists Joanna C. Yang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Joanna C. Yang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joanna C. Yang as a member of these groups (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group
  • Washington University Physicians in Illinois Inc175 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Illinois →

Other radiation oncologists in Illinois

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

All radiation oncologists in Illinois →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972947901
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians