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

Internal Medicine

Changqing Zhao, MD

Works at hospitals in Crystal City, MO · Saint Louis, MO · Farmington, MO · Missouri

Summary

Changqing Zhao, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Crystal City, MO, Saint Louis, MO and Farmington, MO. NPI 1700183142. 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 Changqing Zhao, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
MaleGender (as listed)
St Anthonys Physician Organization Hospitalist Services LCGroup practice (+1 more)

Quick answers

Which hospitals does Changqing Zhao work at?
Medicare's official clinician data lists Changqing Zhao at 4 hospitals: Mercy Hospital Jefferson, Mercy Hospital South, Mercy Hospital St Louis and Parkland Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Changqing Zhao see patients?
Medicare's clinician data lists 3 practice locations, including Saint Louis, MO and Festus, MO. Call before your visit to confirm the address.
What is Changqing Zhao's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Changqing Zhao accept Medicare assignment?
Yes. Medicare's clinician data says Changqing Zhao 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 Changqing Zhao?
(314) 525-3423, as listed in official Medicare / NPI Registry data.
What is Changqing Zhao's NPI number?
1700183142. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Changqing Zhao works

Medicare's Facility Affiliation Data lists Changqing Zhao 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 Changqing Zhao is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Changqing Zhao as a member of these groups (CMS data updated 2026-10-02).

  • St Anthonys Physician Organization Hospitalist Services LC144 clinicians in the group
  • Mercy Clinic Adult Hospitalists Jefferson LLC55 clinicians in the group

Specialties

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All internal medicine doctors in Saint Louis →

Clinician information

CredentialMD
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700183142
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