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Medical Oncology

Andrew A. Davis, MD

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

Summary

Andrew A. Davis, MD (Medical Oncology) is listed by Medicare at 5 hospitals in Alton, IL, Saint Louis, MO and Creve Coeur, MO and other places. NPI 1417374604. 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 Andrew A. Davis, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
Northwestern University Feinberg Medical SchoolMedical school
MaleGender (as listed)
Washington UniversityGroup practice

Quick answers

Which hospitals does Andrew A. Davis work at?
Medicare's official clinician data lists Andrew A. Davis at 5 hospitals: Alton Memorial Hospital, 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 Andrew A. Davis see patients?
Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
What is Andrew A. Davis's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
Does Andrew A. Davis accept Medicare assignment?
Yes. Medicare's clinician data says Andrew A. Davis 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 Andrew A. Davis?
(314) 362-7603, as listed in official Medicare / NPI Registry data.
What is Andrew A. Davis's NPI number?
1417374604. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andrew A. Davis works

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

Group practices

Medicare enrollment lists Andrew A. Davis as a member of this group (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group

Specialties

Find other Medical Oncology doctors in Missouri →

Other oncologists in Saint Louis

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

All oncologists in Saint Louis →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417374604
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