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Dr. Hari Diwakaran, MD

Dr. Hari Diwakaran, MD

Gastroenterology*
30+ years of experience

Dr. Hari Diwakaran, MD is a gastroenterologist in Saint Peters, MO and has over 30 years of experience in the medical field. He graduated from Madras Medical College, Tamil Nadu Dr Mgr Medical University in 1991. He is affiliated with medical facilities SSM Health St. Joseph Hospital-Lake Saint Louis and SSM Health St. Joseph Hospital-St. Charles. He is accepting new patients.

4.4 Star Rating
Based on 13 reviews 4.4 Star Rating (13 reviews)

Practice

4203 S Cloverleaf Dr Saint Peters, MO 63376

Make an Appointment

(636) 441-9990

Hospital Highlight

Dr. Diwakaran is affiliated with SSM Health St. Joseph Hospital-Lake Saint Louis Lake Saint Louis, a highly rated hospital.

Dr. Diwakaran is a Healthgrades Choice provider in Gastroenterology

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions
  • Area of Expertise
    Dr. Diwakaran specializes in the area of Gastroenterology. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Practices at Top Hospital
    Patient Safety Excellence Award™ • See hospitals
  • Trustworthy
    Patients said this doctor is trustworthy. • See reviews
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Dr. Diwakaran's Reviews

Likelihood to recommend Dr. Diwakaran

4.4

13 ratings, 8 with a written review
5 Star
85%
85%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
15%
15%

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RecentHighestLowestMost Helpful
What went well
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
  • Difficult to schedule appointment
1 person found this helpful
Helpful
Jackie Schafer – Sep 28, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
Erik deGrandcourt – May 29, 2024
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Susan M – Nov 06, 2023
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Oct 26, 2022
×Post a ResponseAre you Dr. Hari Diwakaran, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
3 people found this helpful
Helpful
Doug in St Peters, MO – Feb 22, 2017
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
3 people found this helpful
Helpful
Jean B in St Charles, MO – Jan 11, 2017
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
Randy Lopez in Ballwin, MO – May 23, 2016
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What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
2 people found this helpful
Helpful
Hal Hupert in St Peters, MO – Feb 24, 2016
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Know Before You Go

About Me

biography

Dr. Hari Diwakaran, MD is a gastroenterologist in Saint Peters, MO and has over 30 years of experience in the medical field. He graduated from Madras Medical College, Tamil Nadu Dr Mgr Medical University in 1991. He is affiliated with medical facilities...read more

  • Gastroenterology

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

  • Barnes Jewish Hospital

    Fellowship Hospital, 1996

  • Harper Hospital Wayne State University

    Residency Hospital, 1995

  • The Brooklyn Hospital Center

    Internship Hospital, 1993

  • Madras Medical College, Tamil Nadu Dr Mgr Medical University

    Medical School, 1991
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Gastroenterology
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

Dr. Diwakaran is a Healthgrades Choice provider in Gastroenterology

    Read our methodology

    Focus on IBD

    Locations

    Practice

    Ambulatory Anesthesia Services of St. Charles LLC4203 S Cloverleaf Dr Saint Peters, MO 63376
    1

    Practice

    Consultative Cardiology LLC400 1st Capitol Dr Saint Charles, MO 63301
    2

    Practice

    Ssm Health St. Joseph-St. Charles300 1st Capitol Dr Saint Charles, MO 63301
    3

    Affiliated Hospitals

    • SSM Health St. Joseph Hospital-Lake Saint Louis

      100 Medical Plz
      Lake Saint Louis, MO 63367
      Recipient of 2
      hospital awards

      Patient Safety Excellence Award™ (2025)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

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

      83%
      Patients said they were given information about recovering at home

      1% 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

    • SSM Health St. Joseph Hospital-St. Charles

      300 1st Capitol Dr
      Saint Charles, MO 63301
      Recipient of 6
      hospital awards

      Patient Safety Excellence Award™ (2024, 2023)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

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

      84%
      Patients said they were given information about recovering at home
      74%
      Patients said that nurses always listened to them and explained things well

      1% lower than the national average

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