HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / MO

JOHN R DOUGLAS PETERSON, MD

GASTROENTEROLOGY

Medical school: TULANE UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2006

NPI: 1164639274

Practice Locations (4)

DIGESTIVE HEALTH SPECIALISTS LLC

11525 OLDE CABIN RD, SUITE 101

CREVE COEUR, MO 631417146

3144009999

DIGESTIVE HEALTH SPECIALISTS LLC

3800 S WHITNEY AVE

INDEPENDENCE, MO 640556739

8164784887

MERCY CLINIC GASTROENTEROLOGY LLC

200 BREVCO PLZ, SUITE 208

LAKE ST LOUIS, MO 633672950

6365619020

MERCY CLINIC GASTROENTEROLOGY LLC

901 PATIENTS 1ST DR, SUITE 3300

WASHINGTON, MO 630904700

6362397344

Source: CMS National Downloadable File, September 2026.

JOHN R PETERSON, MD | HealthCareAtlasUSA