Dr. Gary Koenig, MD

Dr. Gary Koenig, MD

Gastroenterology  |  
Male  |  
Age 58
(5)
Insurances AcceptedSave
Dr. Koenig has been in practice in St. Louis area since 1990. Interest include biliary tract problem and endoscopy.

100 Village Square Shop Ctr

Hazelwood, MO 63042

Contact Information

(314) 355-4010

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Cigna
  • Commercial Insurance Company
  • CoreSource
  • Coventry Health Care
  • Coventry Health Care of Illinois
  • 15 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Koenig

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Koenig performs your care needs compared to other doctors.

Diverticulitis, Intestinal
very high
more than 96% of peers
Irritable Bowel Syndrome
very high
more than 96% of peers
Diarrhea
very high
more than 96% of peers

Dr. Koenig's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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Care Philosophy

This content was provided by Dr. Koenig "Treat patients as I would my family"
2

Specialties

  • Gastroenterology
  • Hepatology
2

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
97

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Bile Duct Disorders
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cirrhosis
  • Colitis
  • Colon Disorders
  • Colon Polyp
  • Colorectal Cancer
  • Common Bile Duct Stone
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Digestive Disorders
  • Diverticulitis
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysphagia
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Dilation
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Motility Disorders
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Functional Dyspepsia
  • Gallbladder Diseases
  • Gallstones
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroenteritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastrojejunal Ulcer
  • Gastroparesis
  • Heartburn
  • Hemorrhoids
  • Hepatitis
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Ileus
  • Impacted Shoulders
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Diseases
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Limb Swelling
  • Liver Damage from Alcohol
  • Liver Disease (Except Cancer, Hepatitis and Cirrhosis)
  • Liver Diseases and Disorders
  • Malignant Neoplasm of Gastrointestinal Tract
  • Malnutrition
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Non-Neonatal Jaundice
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatic Cancer
  • Pancreatic Disease
  • Pancreatitis
  • Pancreatobiliary Disease
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Vascular Insufficiency of Intestines
  • Viral Hepatitis
  • Vomiting Disorders

More

Read More
21

Procedures

  • Abscess or Cyst Drainage or Aspiration
  • Bile Duct Procedure
  • Bile Duct Surgery
  • Colonoscopy
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer Screening
  • Conscious Sedation
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Endoscopic Common Bile Duct Stone Removal
  • Endoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Esophagogastroscopy
  • Esophagoscopy
  • Gastroenterology Procedures
  • Gastroparesis Therapy
  • Hemorrhoid Treatment
  • Hemorrhoidectomy or Excision of Anal Tags
  • Liver Biopsy
  • Percutaneous Edoscopic Gastrostomy (PEG)
  • Puncture Aspiration
  • Small Bowel Enteroscopy

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Missouri.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Vanderbilt University
    Undergraduate School | Graduated 1985
  • Saint Louis University School Of Medicine
    Medical School | Graduated 1985
  • Saint Louis University Hospital
    Internship Hospital | Completed 1986
  • St Louis University Hosps
    Residency Hospital | Completed 1986
  • St Marys Health Center
    Residency Hospital | Completed 1988
  • St Marys Health Center
    Fellowship Hospital | Completed 1990

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Koenig has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Koenig does not have any memberships or affiliations listed. If you are Dr. Koenig and would like to add memberships or affiliations, please update your profile.

Dr. Koenig's Reviews

Likelihood of recommending Dr. Koenig to family and friends
5.0
based on 5 total reviews (2 with comments)
Dr. Koenig Says:

I read patient comments and try to improve on areas that are deficient.

Dr. Koenig's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    Under 10 minutes
Patient Comments (2)
in St Louis, MO |
Great Staff. Fast and Professional
in E Alton IL |
We are very pleased with Dr Koenig & his treatment & care of my niece. The nursing staff, nurse anesthetist all were exceptional!
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Visit Dr. Koenig

Now Accepting New Patients
Dr. Koenig accepts 24 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Anthem Blue Cross Blue Shield
    Anthem Blue Cross Blue Shield HMO
    Anthem Blue Cross Blue Shield PPO
    Blue Preferred Plus POS
    Blue Preferred Select
  • Blue Cross Blue Shield
    Blue Card PPO
  • Blue Cross Blue Shield of Illinois
    Blue Cross Blue Shield of Illinois PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    Great West Healthcare-Cigna PPO
    Open Access Plus
  • Commercial Insurance Company
  • CoreSource
  • Coventry Health Care
  • Coventry Health Care of Illinois
    Coventry Health Care of Illinois PPO
    Health and Life PPO
    Platinum PPO
  • Coventry Health Care of Kansas, Inc.
    Coventry Health Care of Kansas, Inc. PPO
  • Coventry Health Care of Missouri
    Coventry Health Care of Missouri PPO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Golden Rule
  • Government Employees Health Association (GEHA)
    GEHA
  • Group Health Cooperative
  • Health Net
    Tricare
  • HealthLink
    HealthLink PPO
  • Homestate Health Plan
  • Humana
    Choice Care PPO
    Tricare
  • Mail Handlers Benefit Plan (MHBP)
  • Molina Healthcare
    Molina
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • Tricare
  • UnitedHealthCare
    Choice Plus POS
    Navigate HMO
    Navigate POS
    Options PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Koenig has admitting privileges

SSM Health DePaul Hospital
12303 Depaul Drive
Bridgeton, MO 63044
View Hospital Profile
SSM Saint Mary's Hospital
6420 Clayton Rd
Richmond Heights, MO 63117
View Hospital Profile
SSM Health St. Clare Hospital
1015 Bowles Ave
Fenton, MO 63026
View Hospital Profile

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