background
background
Dr. James Petersen, MD

Dr. James Petersen, MD

Gastroenterology*
40+ years of experience

Dr. James Petersen, MD is a gastroenterologist in Lake Saint Louis, MO and has over 40 years of experience in the medical field. He graduated from Saint Louis University School of Medicine in 1980. He is affiliated with medical facilities such as Mercy Hospital St. Louis and SSM Health St. Joseph Hospital-Lake Saint Louis. He is accepting new patients.

3.2 Star Rating
Based on 5 reviews 3.2 Star Rating (5 reviews)

Practice

200 Brevco Plz Ste 208 Lake Saint Louis, MO 63367

Make an Appointment

(314) 434-2399

Hospital Highlight

Dr. Petersen is affiliated with St. Luke's Hospital Chesterfield, a highly rated and top awarded hospital for gastroenterology.

At a Glance

  • Areas of Expertise
    Dr. Petersen specializes in the areas of Gastroenterology & Internal Medicine. • See board certifications
  • Practices at Top Hospital
    Gastrointestinal Surgery Excellence Award™ • See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. • See hospitals
ADVERTISEMENT
healthgrades-rx

Save money with free prescription discounts

Optum Perks and Healthgrades are subsidiaries of RVO Health.

Experience Check

Search for experience in a specific area

Learn more about experience and why treatment frequency matters

Insurance Check

Search for your insurance carrier and choose your plan type

Dr. Petersen's Reviews

Likelihood to recommend Dr. Petersen

3.2

5 ratings
5 Star
40%
40%
4 Star
20%
20%
3 Star
0%
0%
2 Star
0%
0%
1 Star
40%
40%

Leave a review

How was your experience with Dr. Petersen?

Know Before You Go

About Me

biography

Dr. James Petersen, MD is a gastroenterologist in Lake Saint Louis, MO and has over 40 years of experience in the medical field. He graduated from Saint Louis University School of Medicine in 1980. He is affiliated with medical facilities such...read more

  • Gastroenterology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University Cincinnati

    Fellowship Hospital, 1986

  • St Lukes Hospital

    Residency Hospital, 1983

  • Saint Louis University School Of Medicine

    Medical School, 1980
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Gastroenterology
- 
Internal Medicine
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

  • English

  • Spanish

Focus on IBD

Locations

Practice

Office200 Brevco Plz Ste 208 Lake Saint Louis, MO 63367
1

Practice

Mercy Clinic Digestive Disease615 S New Ballas Rd Ste 1200 Saint Louis, MO 63141
2

Practice

Urology Specialists of St. Luke's LLC226 S Woods Mill Rd Ste 52W Chesterfield, MO 63017
3

Affiliated Hospitals

  • St. Luke's Hospital

    232 S Woods Mill Rd
    Chesterfield, MO 63017
    Recipient of 14
    hospital awards

    Gastrointestinal Surgery Excellence Award™ (2025)

    Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery

    Surgical Care Excellence Award™ (2025, 2024)

    Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery

    View all awards

    How patients felt about the care they received at this hospital.

    89%
    Patients said they were given information about recovering at home

    5% higher than the national average

    83%
    Patients would recommend the hospital to friends and family

    18% higher than the national average

    View all patient feedback

  • Mercy Hospital Lincoln

    1000 E Cherry St
    Troy, MO 63379

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home

    4% lower than the national average

    82%
    Patients said that nurses always listened to them and explained things well
    View all patient feedback

  • Mercy Hospital St. Louis

    615 S New Ballas Rd
    Saint Louis, MO 63141
    Recipient of 21
    hospital awards

    America’s 100 Best Hospitals for Gastrointestinal Care Award™ (2025)

    Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery

    America’s 100 Best Hospitals for Gastrointestinal Surgery Award™ (2025)

    Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery

    View all awards

    How patients felt about the care they received at this hospital.

    82%
    Patients said they were given information about recovering at home

    2% lower than the national average

    76%
    Patients said that nurses always listened to them and explained things well

    1% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality