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Gastroenterology

Charles M. Samson, MD

Sees patients in Saint Louis, MO · Missouri

Summary

Charles M. Samson, MD (Gastroenterology) is enrolled with Medicare at 2 practice locations in Saint Louis, MO. NPI 1194932301. 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 Charles M. Samson, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Washington University School Of MedicineMedical school
MaleGender (as listed)
Washington UniversityGroup practice

Quick answers

Where does Charles M. Samson see patients?
Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
What is Charles M. Samson's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Pediatric Medicine.
Does Charles M. Samson accept Medicare assignment?
Yes. Medicare's clinician data says Charles M. Samson 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 Charles M. Samson?
(314) 454-2104, as listed in official Medicare / NPI Registry data.
What is Charles M. Samson's NPI number?
1194932301. 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 Charles M. Samson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Charles M. Samson as a member of this group (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group

Specialties

Find other Gastroenterology doctors in Missouri →

Other gastroenterologists in Saint Louis

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

All gastroenterologists in Saint Louis →

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194932301
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