Cardiologists near you

Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Chicago, IL
  4. Dallas, TX
  5. Denver, CO
  6. Detroit, MI
  7. Houston, TX
  8. Los Angeles, CA
  9. Miami, FL
  10. Minneapolis, MN
  11. New York, NY
  12. Orlando, FL
  13. Philadelphia, PA
  14. Phoenix, AZ
  15. Riverside, CA
  16. San Antonio, TX
  17. San Diego, CA
  18. San Francisco, CA
  19. Seattle, WA
  20. St. Louis, MO
  21. Tampa, FL
  22. Washington, DC

Chiropractors near you

Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dentists near you

Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dermatologists near you

Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Family Physicians near you

Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

OB-GYNs near you

OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Ophthalmologists near you

Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Charlotte, NC
  4. Chicago, IL
  5. Dallas, TX
  6. Denver, CO
  7. Detroit, MI
  8. Houston, TX
  9. Los Angeles, CA
  10. Miami, FL
  11. Minneapolis, MN
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Diego, CA
  18. San Francisco, CA
  19. St. Louis, MO
  20. Tampa, FL
  21. Washington, DC

Orthopedic Surgeons near you

Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Pediatricians near you

Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Physical Therapists near you

Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Podiatrists near you

Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Psychiatrists near you

Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC
Dr. Richard Riegel, MD, Gastroenterologist

Dr. Richard Riegel, MD

Gastroenterologist

121 Saint Luke's Center Drive
Suite 406, Building A
Chesterfield, MO 63017

+2 more locations

Overall rating

Top reviews

I really appreciate my quarterly telephone appointment with Katie. It is a great way for me to keep current with reflux issues. Katie always gives me great advice for small adjustments to my diet. Also, Katie advised me to try a dShow moreifferent probiotic. I did not know that it was good for gut health to switch up your probiotic.

Linda B. • May 17, 2025

Absolutely recommend this doc. I was skeptical when it came to finding a doctor to replace mine and Dr Riegal is the perfect fit to replace my other doctor. He was able to answer all my questions of concern and I was able to make Show morethe right decision for me when it came to my treatment .

Jean H. • June 29, 2025

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Dr. Richard Riegel, MD?


About Dr. Richard Riegel, MD

Board-certified gastroenterologist Richard Riegel, MD, sees patients at Gateway Gastroenterology in Chesterfield, Missouri. He strives to provide unparalleled care aimed at improving the digestive health of his patients.

A native of St. Louis, Dr. Riegel graduated with honors from the University of Missouri-Columbia School of Medicine. He then completed both his Internal Medicine internship and residency at Vanderbilt University in Nashville, Tennessee. 

From Vanderbilt, Dr. Riegel returned to St. Louis to complete three additional years of medical training in the Division of Gastroenterology/Hepatology at Saint Louis University.

Dr. Riegel is an active member of the American College of Gastroenterology and the American Gastroenterological Association.

Dr. Riegel has participated in the education and training of medical house staff at St. John’s Mercy Medical Center. He has a diverse practice specializing in all aspects of general gastroenterology, hepatology, and endoscopic procedures. He has been in private practice since 1997. He is married with three wonderful children.


Services, Conditions and Procedures

Abdominal Pain

Acid Reflux

Barrett’s Esophagus

Capsule Endoscopy

Celiac Disease

Colon Cancer Screening

Colonoscopy

Conditions

Constipation

Crohn’s Disease

Diarrhea

Double (Bi-Directional) Endoscopy

Eosinophilic Esophagitis

Fatty Liver

FibroScan

Fructose Intolerance Testing

Hemorrhoids

Hydrogen and Methane Breath Testing

IBD

IBS

Infusion Services

Lactose Intolerance Testing

Liver Disease

Research

Services

Small Intestinal Bacterial Overgrowth (SIBO)

Ulcerative Colitis

Upper Endoscopy


Locations (3)

Gateway Gastroenterology

121 Saint Luke's Center Drive
Suite 406, Building A
Chesterfield, MO, 63017

Gateway Gastroenterology

1040 Old Des Peres Rd
Des Peres, MO, 63131

Gateway Gastroenterology

12855 N. 40 Drive
Suite 150, South Tower
Saint Louis, MO, 63141


More About Dr. Richard Riegel, MD

Practice

Gateway Gastroenterology

Specialties

Insurance

  • Aetna
  • Ambetter Health
  • Anthem Blue Cross Blue Shield
  • Cigna
  • ESSENCE Healthcare
  • HealthLink
  • Medicare
  • UnitedHealthcare Oxford

NPI Number

1669472700

Provider's Gender

Male


Reviews

4.93
602 Reviews

I had a great experience yesterday I was well taken care of

Linda G. • July 31, 2025

Dr. Riegel knows the information from your records at Gateway Gastroenterology. He is very kind and concerned about your health. I would highly recommend him!!!!!

Melanie A. • July 31, 2025

No waiting, saw Doctor quickly. Reviewed my issues and answered my quiestions.

John W. • July 29, 2025

Everything was over the top great. Timing was excellent, staff and doctor couldn't have been better.

Russell B. • July 26, 2025

Dr Riegel was outstanding. He was professional, knowledgeable and has a warm bedside manner. He explained everything thoroughly to me before and after the procedure! He is excellent!!!

Sandra L. • July 25, 2025

I wouldn't go anywhere else.All of staff are very nice and treat you like you are family. Dr. Rigel makes you feel at ease. He's top notch.

Michael L. • July 12, 2025

Great people

Brian C. • July 12, 2025

Every one in the office is very nice

Lisa L. • June 30, 2025

Absolutely recommend this doc. I was skeptical when it came to finding a doctor to replace mine and Dr Riegal is the perfect fit to replace my other doctor. He was able to answer all my questions of concern and I was able to make the right decision for me when it came to my treatment .

Jean H. • June 29, 2025

He was very courteous and professional. He answered all of my questions.

William H. • June 19, 2025

I really appreciate my quarterly telephone appointment with Katie. It is a great way for me to keep current with reflux issues. Katie always gives me great advice for small adjustments to my diet. Also, Katie advised me to try a different probiotic. I did not know that it was good for gut health to switch up your probiotic.

Linda B. • May 17, 2025

Dr Riegel and staff were amazing!

Denise C. • May 07, 2025

Was well taken care of from start to finish. Clear explanations, questions answered, compassionate care. Thank you.

Janice H. • May 05, 2025

Very kind and caring staff!

Julianna S. • May 03, 2025

friendly, well organized, on time and efficient services

Qiang Z. • May 03, 2025

Dr. Riegel was extremely prompt, courteous, knowledgeable, and was very kind. He took the time to understand my concerns and made me feel much better!

Joseph P. • May 02, 2025

Of all my doctors, and I have several he is my favorite. He is friendly and provided helpful information, He also pointed out information that is not true. I have been using Dr. Riegel for several years and would highly recommend him.

Gary V. • April 30, 2025

Everyone is very professional and takes the time to explain exactly what they're doing. Dr. Riegel Communicates very well and takes the time to explain everything related to your colonoscopy Results.

Harold S. • April 25, 2025

Would highly recommend him . Very personal.

Mary D. • April 19, 2025

Dr. Riegel is the best!

Jennifer M. • April 15, 2025

Everyone was very kind and helpful. They explained everything that was going on and made you fill at ease.

Debra J. • April 12, 2025

Great staff.Great communication from entire staff. Procedure done without a hitch

Mitchell B. • March 07, 2025

I was treated with dignity and respect by the staff and doctor. Which made an unpleasant procedure tolerable and painless. Thanks to the entire staff!

Gregory V. • March 04, 2025

I had a great experience with the staff and the doctor.

Karen D. • March 03, 2025

good experince

Philip H. • February 15, 2025

Dr. Riegel is an excellent doctor! Extremely professional, polite and efficient. Dr Riegel is a good listener and gave me time to ask questions. I totally trust him with my health.

Bruce T. • January 30, 2025

Extremely accommodating and totally professional! Excellent staff and great doctor!

Thomas K. • January 28, 2025

Everyone was kind, considerate, caring and professional.

Ellen H. • January 26, 2025

Had a good experience, Dr Riegel is very nice and an awesome doctor. His staff is also awesome very helpful and caring. I would definitely recommend Gateway and Dr Riegel Diane Kaestner

Diane K. • January 09, 2025

I appreciate the efficiency of the office staff. They are very helpful and responsive. Dr. Riegel and his medical staff are excellent and so nice!

Beverley R. • January 07, 2025

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