Dr. Michael Zerega, MD

Dr. Michael Zerega, MD

Gastroenterology  |  
Male  |  
Age 48
(3)
Save
Dr. Michael Zerega, MD is a gastroenterology specialist in Lake Saint Louis, MO and has been practicing for 22 years. He graduated from Wash U, School Of Medicine in 1997 and specializes in gastroenterology.

200 Brevco Plz Ste 207

Lake Saint Louis, MO 63367

Contact Information

(636) 561-5450

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • HealthLink
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

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Dr. Zerega accepts

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(636) 561-5450

Dr. Zerega accepts the following insurance:

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 Cross Blue Shield
Blue Card PPO
Cigna
Cigna HMO
Cigna PPO
Open Access Plus
HealthLink
HealthLink PPO
Humana
Choice Care PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO

Background Check

Healthgrades does not collect malpractice claims information for Missouri
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Zerega's experience treating your condition or procedure

Dr. Zerega's Top Procedures and Conditions

Treatment Frequency
Hemorrhoids
very high
very high

Treatment Frequency

Dr. Zerega treats Hemorrhoids more than 99% of his peers

Dr. Zerega treats this condition more than 99% of his peers

Abdominal Disorders
very high
very high

Treatment Frequency

Dr. Zerega treats Abdominal Disorders more than 99% of his peers

Dr. Zerega treats this condition more than 99% of his peers

Gastrointestinal Diseases
very high
very high

Treatment Frequency

Dr. Zerega treats Gastrointestinal Diseases more than 98% of his peers

Dr. Zerega treats this condition more than 98% of his peers

Dr. Zerega's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Fecal Impaction Removal
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroenterology Procedures
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Heartburn
  • Hemochromatosis
  • Hemorrhoids
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Liver Biopsy
  • Liver Damage from Alcohol
  • Malnutrition
  • Manometry
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Non-Neonatal Jaundice
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Small Intestine Cancer
  • Stomach and Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Stomal Ulcer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Viral Enteritis
  • Viral Hepatitis
  • Viral Infection
  • Vomiting Disorders

About Me

Care Philosophy

Good medical care requires close coordination between the patient and their physicians. I am excited to join the Mercy community and by the opportunity to practice excellent, patient centered gastroenterology in this setting.

Specialties

  • Gastroenterology

Board Certifications

  • Gastroenterology
  • Internal Medicine

Education

Washington U/B Jh/Slch Conc
Residency Hospital
1997
Wash U, School Of Medicine
Medical School
1997

Awards

Dr. Zerega's Reviews

Likelihood to recommend Dr. Zerega

5.0

Based on 3 reviews

5 Stars
100%
(3)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
0%
(0)

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Dr. Zerega?
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Average Reported Wait Time
  • Under 10 minutes
Dr. Zerega's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Michael Zerega, MD
Reply
He's a great specialist. Very attentive and is helpful. Can tell he is actually concerned about your health and has great knowledge in his field. Highly recommended!
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Locations

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Zerega treats patients.

Learn more

St. Luke's Hospital

Chesterfield, MO

84% Patient experience rating, 15% higher than the national average

  • America’s 100 Best Hospitals for General Surgery Award™ (2020, 2019, 2018)
  • Outstanding Patient Experience Award™ (2019, 2018, 2017)
  • Gastrointestinal Care Excellence Award™ (2018)

79% Patient experience rating, 10% higher than the national average

  • America's 250 Best Hospitals Award™ (2019, 2018, 2017)
  • Gastrointestinal Care Excellence Award™ (2019, 2018)
  • General Surgery Excellence Award™ (2019, 2018)
  • Patient Safety Excellence Award™ (2019)

77% Patient experience rating, 8% higher than the national average

  • Gastrointestinal Care Excellence Award™ (2019)
  • General Surgery Excellence Award™ (2019, 2018)

75% Patient experience rating, 6% higher than the national average

  • Gastrointestinal Care Excellence Award™ (2019, 2018)
  • Patient Safety Excellence Award™ (2019)
  • General Surgery Excellence Award™ (2018)