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Dr. Gary Koenig, MD

Gastroenterology* Age 65
Dr. Gary Koenig, MD
4.1 (17 Ratings)
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Dr. Gary Koenig, MD is a Gastroenterologist in Hazelwood, MO.
Dr. Gary Koenig, MD
4.1 (17 Ratings)
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Dr. Gary Koenig, MD

Gastroenterology* Age 65
Hazelwood, MO
Accepting new patients
39 years of experience
Dr. Gary Koenig, MD is a Gastroenterologist in Hazelwood, MO.

About

Dr. Koenig graduated from Saint Louis University School of Medicine in 1985 and completed a residency at St Marys Health Center.Dr. Gary Koenig, MD is a Gastroenterologist in Hazelwood, MO and has 39 years experience. Dr. Koenig currently practices at Practice and are affiliated with SSM Health St. Mary's Hospital-St. Louis. At present, Dr. Koenig received an average rating of 4.1/5 from patients and has been reviewed 17 times. Dr. Koenig's office accepts new patients. Dr. Koenig is board certified in Internal Medicine and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Diaphragmatic and Hiatal Hernia
Flexible Sigmoidoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Diaphragmatic and Hiatal Hernia
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Diaphragmatic and Hiatal Hernia
Flexible Sigmoidoscopy
Abdominal Pain
Anemia
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Colorectal Polyp
Constipation
Crohn's Disease
Diarrhea
  • View other providers who treat Diarrhea
Duodenitis
Dysphagia
Esophageal Motility Disorders
Esophagitis
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Heartburn
Hemorrhoids
Hepatitis C
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Obstruction
Intestinal Ulcer
Liver Damage from Alcohol
Nausea
  • View other providers who treat Nausea
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Ulcerative Colitis
Unexplained Weight Loss
Duodenal Polypectomy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acute Gastritis
Alcoholic Cirrhosis
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Bile Duct Disorders
Bile Duct Obstruction
Biliary Atresia
Boerhaave's Syndrome
Bowel Strangulation
Celiac Disease
Cholecystitis and Gallstones
Chronic Cholecystitis
Chronic Gastritis
Cirrhosis
Colitis
  • View other providers who treat Colitis
Colon Disorders
Colon Polyp
Colorectal Cancer
Common Bile Duct Stone
Congenital Achalasia
Congenital Anomaly Intestine
Cyclical Vomiting
Dehydration
Diffuse Esophageal Spasm
Digestive Disorders
Diverticulitis
Duodenal Cancer
Duodenal Ulcer
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Dilation
Esophageal Diseases
Esophageal Diverticulum
Esophageal Ulcer
Esophageal Varices
Familial Adenomatous Polyposis
Food Allergy
Functional Dyspepsia
Gallbladder Diseases
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastroenteritis
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Gastroparesis
Gastroptosis
Hemochromatosis
Hepatitis
Hepatitis B
Hepatitis B - Immune Response
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Impacted Shoulders
Indigestion
Infectious Diarrheal Disease
Intestinal Diseases
Intestinal Diverticulitis
Intestinal Prolapse
Irritable Bowel Syndrome
Ischemic Colitis
Lactose Intolerance
Limb Swelling Caused by Fluid Overload
Liver Cancer
Liver Damage
Liver Disease (Except Cancer, Hepatitis and Cirrhosis)
Liver Diseases and Disorders
Malignant Neoplasm of Gastrointestinal Tract
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Neoplasm of Gastrointestinal Tract
Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
Pancreatic Cancer
Pancreatic Disease
Pancreatic Pseudocyst
Pancreatitis
Pancreatobiliary Disease
Pelvic Abscess
Peptic Ulcer
Primary Biliary Cholangitis
Pyloric Stenosis
Rectal Ulcer
Retroperitoneum Cancer
Stomach and Small Intestine Cancer
Stomach Cancer
Stomal Ulcer
Ulcer
  • View other providers who treat Ulcer
Upper Digestive Tract Cancer
Vascular Insufficiency of Intestines
Viral Enteritis
Viral Hepatitis
Viral Infection
Visceroptosis
Vitamin_Deficiency
Vomiting Disorders
Bile Duct Procedure
Bile Duct Surgery
Biliary Drainage
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
Endoscopic Common Bile Duct Stone Removal
Endoscopy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Esophagogastroscopy
Esophagoscopy
Gallbladder Scan
Gastroparesis Therapy
Hemorrhoid Treatment
Hemorrhoidectomy or Excision of Anal Tags
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
Moderate Sedation
Percutaneous Edoscopic Gastrostomy (PEG)
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Small Bowel Enteroscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • LocalPlus
  • Molina
  • Aetna
  • Group Health Cooperative
  • Blue Preferred-MO HMO
  • Golden Rule
  • Blue Card PPO
  • Coventry Health Care of Missouri PPO
  • HealthyBlue Advantage
  • Coventry Health Care
  • Choice Care PPO
  • Coventry Health Care of Kansas, Inc. PPO
  • HealthLink PPO
  • GEHA
  • Blue Cross Blue Shield of Illinois PPO
  • Health and Life PPO
  • First Health (Coventry Health Care) PPO
  • Tricare
  • Choice Plus POS
  • Anthem Blue Cross Blue Shield PPO
  • MultiPlan PPO
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • Mail Handlers Benefit Plan (MHBP)

Locations

  1. 1 Dreamland Uap Anesthesia LLC
    100 Village Square Shop Ctr, Hazelwood, MO 63042

Patient Satisfaction

Likelihood to recommend Dr. Koenig
4.1
Based on 17 Reviews
5 Stars (12)
4 Stars (1)
3 Stars (0)
2 Stars (1)
1 Star (3)

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Patient Reviews
Oct 14, 2024
Everything from scheduling to the actual day of procedure went extremely well. The entire staff was amazing and took extremely good care of me and went the extra mile to make me comfortable and calm with a procedure that most people dread getting (colonoscopy). Anesthesia specialists was amazing kept me calm and comfortable until the procedure was ready to begin and the entire process took less than two hours. If u need to get a screening I would highly recommend Dr.Koenig and his awesome staff u will be in great hands with these compassionate professionals.
— Oct 14, 2024
See more reviews on Healthgrades
Photo: Dr. Gary Koenig, MD
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Dr. Koenig's Office & Staff

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  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Koenig

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Gastroenterology
Internal Medicine
Hepatology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Saint Louis University School of Medicine
    1985
Medical Education

Board Certifications

Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Internship

Internship
  • Saint Louis University Hospital
    1986
Internship

Residency

Residency Hospital
  • St Marys Health Center
    1988
Residency Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Koenig communicate via email?
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Does Dr. Koenig offer telehealth services or virtual visits?
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Does Dr. Koenig have free onsite parking?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Gary Koenig, MD. To arrange an appointment, call the number on Dr. Koenig's profile.

Dr. Gary Koenig, MD is affiliated with SSM Health St. Mary's Hospital-St. Louis.

Yes, Dr. Gary Koenig, MD holds board certification in Internal Medicine.

Hospital Affiliations

  • SSM Health St. Mary's Hospital-St. Louis

    6420 Clayton Rd, Richmond Heights, MO