Dr. Richard T. Riegel, MD | Chesterfield, MO | Gastroenterology

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Dr. Richard Riegel is a gastroenterologist who earned his medical degree from the University of Missouri-Columbia School of Medicine. He completed his residency at Vanderbilt University Medical Center in 1994 and went on to pursue fellowship training at St. Louis University Medical Center, which he finished in 1997. With 35 years of experience in gastroenterology, Dr. Riegel brings extensive expertise to his practice. He speaks English with his patients.

Dr. Riegel is affiliated with Mercy Hospital Saint Louis, Mercy Heart And Vascular Hospital Saint Louis, and Saint Luke's Hospital, with practice locations in Chesterfield, Saint Louis, Creve Coeur, and Ballwin, Missouri. His clinical focus includes treating conditions such as colon polyps, diverticular disease, and diverticulosis. He performs procedures including colonoscopy, lower GI endoscopy, and upper GI endoscopy to diagnose and treat digestive health concerns. Patients rate Dr. Riegel an average of 4.5 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

accepting new patients
4.5

36 Ratings
35 years of experience
speaks English
St. Louis University Medical Center
26 written reviews
1 specialty
10 areas of expertise
1 board certification
4 hospital affiliations
6 office locations
Male

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Riegel's Ratings and Reviews

4.5

36 Ratings with 26 written Reviews

Average Wait Time 9 Minutes

How was your appointment with
Dr. Riegel?

Patients’ Perspective

Gave an accurate diagnosis: (23) Did WellNeeds Improvement (2)
Had a good bedside manner: (25) Did WellNeeds Improvement (2)
Spent time with me: (24) Did WellNeeds Improvement (2)
Provided follow-up after the visit: (22) Did WellNeeds Improvement (2)
Flexible scheduling: (24) Did WellNeeds Improvement (2)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

Patients consistently praise Dr. Richard Thomas Riegel for his professionalism, attentive listening, and caring nature, often highlighting his thoroughness and ability to explain procedures in an understandable way. Positive feedback frequently mentions the excellent service provided by his staff and the comfort and reassurance patients feel during visits. Negative feedback or criticisms are notably absent from the reviews provided, suggesting a generally high level of patient satisfaction with Dr. Riegel and his healthcare team.

AI-generated from the text of patient reviews

36 ratings & reviews

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Showing 1 to 10 of 26 reviews

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Awesome doctor. Actually listened!!

March 24th, 2026

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After my procedure, I have the upmost respect and admiration for Dr. Riegel. Professional, courteous and caring. With an explanation of the procedure prior, and follow up conversation after, I was not left wanting for anything

January 8th, 2026

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Gateway nurses, staff and Dr. Riegel were all caring and excellent service providers. Wouldn’t go anywhere else for a colonoscopy.

December 3rd, 2025

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Dr,Riegel is the kindest, most caring doctor I have ever had. During your appointment, he is WITH you ---listening to you and attentive to your concerns. I have recommended him to many friends. Very thankful he is my gastroenterologist.

October 24th, 2025

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Dr Riegel is the best doctor I have seen. He is extremely experienced in his field and makes you feel comfortable. I have seen him for 14 years.

October 8th, 2025

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This was my first meeting with Dr Riegel. He listened to my concerns and then offered helpful & thoughtful advice & recommended a path to take to address those concerns and thoroughly answered my questions. It was nice to encounter a Doctor who isn't a dictator.

July 11th, 2025

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Dr. Riegel and his staff have been our (my husband’s and me) “colonoscopy and endoscopy” group for many years. Every experience has been excellent.

July 11th, 2025

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I thought the entire staff was great. They treated me extremely well and explained everything to me.

June 15th, 2025

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It was my first time seeing Dr. Riegel, what a great experience. He took time and explained everything and answered all questions. The entire staff was first class.

March 19th, 2025

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Friendly, caring, very thorough...highly recommend...great staff who always answers the phone and always calls you back when they say they will.

January 24th, 2025

Gateway Gastroenterology - St. Luke's

121 Saint Lukes Center DrChesterfield, MO 63017

Tel: (314) 529-4900

Mon8:00 am - 4:00 pm

Tue8:00 am - 4:00 pm

Wed8:00 am - 4:00 pm

Thu8:00 am - 4:00 pm

FriClosed

SatClosed

SunClosed

Saint Lukes Hospital

232 S Woods Mill RdChesterfield, MO 63017

Tel: (314) 434-1500

Mercy Hospital Saint Louis

615 S New Ballas RdSaint Louis, MO 63141

Tel: (314) 251-6000

Mercy Heart And Vascular Hospital Saint Louis

625 S New Ballas RdCreve Coeur, MO 63141

Tel: (314) 251-1100

Saint Louis Multispecialty Surgery Center

884 Woods Mill Rd Ste 100Ballwin, MO 63011

Tel: (636) 779-0079

Mon7:30 am - 5:00 pm

Tue7:30 am - 5:00 pm

Wed7:30 am - 5:00 pm

Thu7:30 am - 5:00 pm

Fri7:30 am - 5:00 pm

SatClosed

SunClosed

Saint Lukes Hospital

232 S Woods Mill Rd Ste 330EChesterfield, MO 63017


Dr. Richard Thomas Riegel, 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
4.5 (36 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
35 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks English	Speaks English	Speaks English
Chesterfield , MO	SACRAMENTO , CA	Tallahassee , FL	SACRAMENTO , CA
Med School: University of Missouri-Columbia 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

Search for your insurance and plan

Accepts Medicare

Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Celiac Disease
Colonoscopy
Constipation
Hemorrhoids
Hepatitis C
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis

MEDICAL LICENSE

Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Fellowship

St. Louis University Medical Center1997

Residency

Vanderbilt University Medical Center1994

Medical School

University of Missouri-Columbia School of MedicineGraduated in 1991

University Of Missouri Columbia School Of MedicineGraduated in 1991

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42 Years Exp | Saint Louis, MO
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Dr. Kim Hung Liss, MD
Pediatrics
15 Years Exp | Saint Louis, MO
(0)
Dr. Katherine Marie Kiely, MD
Nurse Practitioner
| Saint Louis, MO
(0)
Dr. Jerry Lee Rosenblum, MD
Pediatrics
52 Years Exp | Aurora, CO
(8)
Mary Elizabeth Malen
Nurse Practitioner
| BALLWIN, MO
(0)
Dr. Daniel Wesley Lapp, MD
Pediatrics
11 Years Exp | Clinton, SC
(0)
Dr. Tamara Alhobayb
Gastroenterology
12 Years Exp | Cleveland, OH
(0)
Dr. Daniel Joseph Verbaro
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| Saint Louis, MO
(0)
Dr. Ricardo Badillo, MD
Gastroenterology
| Saint Louis, MO
(0)

Is Dr. Richard Riegel accepting new patients?: Dr. Richard Riegel is accepting new patients on Vitals. View Dr. Richard Riegel's profile on Vitals to make an appointment.
Where is Dr. Richard Riegel's office located?: Dr. Richard Riegel's office is located at 121 Saint Lukes Center Dr, Chesterfield, MO, 63017.
How can I make an appointment with Dr. Richard Riegel?: You can find contact information for Dr. Richard Riegel here on Vitals.
Does Dr. Richard Riegel accept my insurance?: You can see the insurance plans that Dr. Richard Riegel accepts on their Vitals profile.
Does Dr. Richard Riegel accept virtual/telehealth appointments?: Dr. Richard Riegel has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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