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Summary
Dr. John Peterson treats hemorrhoids, colon polyps, and acrochordon, and performs colonoscopy, lower GI endoscopy, and upper GI endoscopy. He practices gastroenterology and internal medicine and has 20 years of experience.
He earned his medical degree from Tulane University School of Medicine and is affiliated with Mercy Hospital Jefferson and Mercy Hospital Washington, seeing patients in Washington, Missouri.
He earned his medical degree from Tulane University School of Medicine and is affiliated with Mercy Hospital Jefferson and Mercy Hospital Washington, seeing patients in Washington, Missouri.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 20 years of experience
- speaks English
- Tulane University School Of Medicine
- 2 specialties
- 1 area of expertise
- 2 hospital affiliations
- 3 office locations
- Male
Office Locations
Dr. John R Douglas Peterson has 3 locationsMercy Clinic Gastroenterology Patients First Drive
901 Patients First Dr Ste 3300Washington, MO 63090Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Mercy Clinic Gastroenterology - Patients First Drive
901 Patients First Dr Ste 3300Washington, MO 63090Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John R Douglas Peterson, MD | Rebecca Humphries, APRN | Shauna Sanderson, APRN | Ashley Anderson, APRN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 20 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | Speaks English |
| Washington , MO | Sacramento , CA | Tallahassee , FL | Sacramento , CA |
| Med School: Tulane University School Of Medicine | Med School: Emory University | Med School: Creighton University College of Nursing | Med School: East Tennessee State University - Quillen College of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John R Douglas Peterson
Medical Specialties
Dr. John R Douglas Peterson has the following 2 specialties
Specialty Expertise
Dr. John R Douglas Peterson has the following area of expertise
Certifications, License, & Education
20 Years Experience
Dr. John R Douglas Peterson holds an expired medical license in the state of Missouri.
Medical License
Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.
Education & Training
Medical School
Graduated from Tulane University School Of Medicine in 2006.
NPI Number
Dr. Peterson's NPI number is 1164639274.
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Frequently Asked Questions
- What languages does Dr. John R Peterson speak?
- Dr. John R Peterson speaks English.
- Which hospitals is Dr. John R Peterson affiliated with?
- Dr. John R Peterson is affiliated with Mercy Hospital Jefferson and Mercy Hospital Washington.
- Does Dr. John R Peterson accept my insurance?
- You can see the insurance plans that Dr. John R Peterson accepts on their Vitals profile.
- How can I make an appointment with Dr. John R Peterson?
- You can find contact information for Dr. John R Peterson here on Vitals.
- Where is Dr. John R Peterson's office located?
- Dr. John R Peterson's office is located at 901 Patients First Dr Ste 3300, Washington, MO, 63090.
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