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Dr. Michael Zerega, MD

Internal Medicine* Age 52
Dr. Michael Zerega, MD
5.0 (5 Ratings)

Offers telehealth

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Dr. Michael Zerega, MD is an Internal Medicine Specialist in Lake Saint Louis, MO.
Dr. Michael Zerega, MD
5.0 (5 Ratings)
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Dr. Michael Zerega, MD

Internal Medicine* Age 52
Lake Saint Louis, MO
Accepting new patients
27 years of experience

Offers telehealth

Dr. Michael Zerega, MD is an Internal Medicine Specialist in Lake Saint Louis, MO.

About

Dr. Michael Zerega, MD is an Internal Medicine Specialist in Lake Saint Louis, MO and has 27 years experience. They graduated from University of Washington School of Medicine in 1997 and completed a residency at Washington U/b Jh/slch Conc.They currently practice at Mercy Clinic Digestive Disease and are affiliated with Missouri Baptist Medical Center, St. Luke's Hospital, Mercy Hospital St. Louis and SSM Health St. Joseph Hospital - Lake Saint Louis. Dr. Zerega has experience treating conditions like Gastroesophageal Reflux Disease (GERD), Esophagitis and Diaphragmatic and Hiatal Hernia among other conditions at varying frequencies. At present, Dr. Zerega received an average rating of 5.0/5 from patients and has been reviewed 5 times. Their office accepts new patients and telehealth appointments. Dr. Zerega is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Low Wait Times

Patients are usually seen in 10 minutes or less.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Gastroesophageal Reflux Disease (GERD)
Esophagitis
Diaphragmatic and Hiatal Hernia
Gastroesophageal Reflux Disease (GERD)
Diaphragmatic and Hiatal Hernia
Gastroesophageal Reflux Disease (GERD)
Esophagitis
Diaphragmatic and Hiatal Hernia
Non-Alcoholic Fatty Liver Disease
Reflux Esophagitis
Abdominal Pain
Alcoholic Cirrhosis
All Headaches (incl. Migraine)
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Constipation
Crohn's Disease
Diarrhea
  • View other providers who treat Diarrhea
Diffuse Esophageal Spasm
Dysphagia
Esophageal Motility Disorders
Esophageal Varices
Gastric Ulcer
Gastritis
Gastrointestinal Bleeding
Gastroptosis
Heartburn
Hemorrhoids
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Ulcer
Irritable Bowel Syndrome
Joint Pain
Liver Damage from Alcohol
Malnutrition
Nausea
  • View other providers who treat Nausea
Noninfectious Gastroenteritis and Colitis
Tobacco Use Disorder
Ulcerative Colitis
Unexplained Weight Loss
Vitamin_Deficiency
Vomiting Disorders
Arterial Blood Gas Test (ABG)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Electrocardiogram (EKG)
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acute Gastritis
Acute Upper Respiratory Infection
Alcoholic Hepatitis
Ascites
  • View other providers who treat Ascites
Asphyxia and Hypoxemia
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Biliary Atresia
Biliary Cirrhosis
Celiac Disease
Cholangitis
Cholecystitis and Gallstones
Colorectal Cancer
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Cyclical Vomiting
Dehydration
Diverticulitis
Diverticulosis
Duodenal Ulcer
Duodenitis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Diverticulum
Esophageal Ulcer
Familial Adenomatous Polyposis
Fever
  • View other providers who treat Fever
Food Allergy
Foot Infection
Gallstones
Gas-Bloat Syndrome
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Gastroparesis
Hemochromatosis
Hepatitis B
Hepatitis B - Immune Response
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Intestinal Diverticulitis
Intestinal Ischemia
Intestinal Obstruction
Ischemic Colitis
Limb Pain
Liver Abscess
Mallory-Weiss Syndrome
Megacolon
Muscle Spasm
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pancreatitis
Peptic Ulcer
Pharyngitis
Potassium Deficiency
Pouchitis
Primary Biliary Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Small Intestine Cancer
Splenomegaly
Stomach and Small Intestine Cancer
Stomal Ulcer
Upper Digestive Tract Cancer
Urinary Incontinence
Urinary Tract Infection (UTI)
Vascular Insufficiency of Intestines
Venous Embolism and Thrombosis
Viral Enteritis
Viral Hepatitis
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
Fecal Impaction Removal
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Immunization Administration
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice Plus POS II
  • Alliance (Select Network)-MO
    Alliance-MO EPO
    Balanced Blue Access Choice-MO
    Balanced Blue Access-MO
    Balanced Blue Preferred-MO
    Blue Access Choice (St Louis) (Select Network)-MO
    Blue Access Choice - S-MO
    Blue Access Choice-MO
    Blue Access-MO
    Blue Preferred (Blue Preferred / Small Grp)-MO
    Blue Preferred (Select Network)-MO POS
    Blue Preferred Network-MO
    Blue Preferred Options-MO
    Blue Preferred Plus-MO POS
    Blue Preferred-MO HMO
    Blue Traditional-MO
    Bronze Blue Access Choice Plus-MO
    Bronze Blue Access Choice-MO
    Bronze Blue Access Plus-MO
    Bronze Blue Access-MO
    Bronze Blue Preferred Plus-MO
    Bronze Blue Preferred-MO
    Bronze Pathway for HSA-MO
    Bronze Pathway X for HSA-MO
    Bronze Pathway X-MO
    Bronze Pathway-MO
    Catastrophic Pathway X-MO
    Catastrophic Pathway-MO
    Gold Blue Access Choice Plus-MO
    Gold Blue Access Choice-MO
    Gold Blue Access Plus-MO
    Gold Blue Access-MO
    Gold Blue Preferred Options-MO
    Gold Blue Preferred Plus-MO
    Gold Blue Preferred-MO
    Gold Pathway X-MO
    Gold Pathway-MO
    Lumenos Plans (Blue Access Choice)-MO
    Lumenos plans (Blue Access)-MO
    National (BlueCard Basic) PPO
    National (BlueCard) PPO
    Pathway X-MO
    Pathway-MO
    Preferred-Care Blue (KC) (Select Network)-MO
    Silver Blue Access Choice Plus-MO
    Silver Blue Access Choice-MO
    Silver Blue Access Plus-MO
    Silver Blue Access-MO
    Silver Blue Preferred Options-MO
    Silver Blue Preferred-MO
    Silver Pathway for HSA-MO
    Silver Pathway X for HSA-MO
    Silver Pathway X-MO
    Silver Pathway-MO
  • Anthem Blue Cross Blue Shield HMO
    Anthem Blue Cross Blue Shield PPO
    Blue Preferred Plus POS
  • Blue Card PPO
  • HealthyBlue 2.0
    HealthyBlue Advantage
  • Cigna PPO
    Open Access Plus
  • First Health (Coventry Health Care) PPO
  • Choice Care PPO
  • MultiPlan PPO

Locations

  1. 1 Mercy Clinic Digestive Disease
    200 Brevco Plz Ste 208, Lake Saint Louis, MO 63367
  2. 2 Chesterfield
    226 S Woods Mill Rd Ste 52, Chesterfield, MO 63017
  3. 3 Mercy Hospital
    615 S New Ballas Rd Ste 1200, Saint Louis, MO 63141
  4. 4 Clayton/Clarkson
    15945 Clayton Rd Ste 220, Ballwin, MO 63011

Patient Satisfaction

Likelihood to recommend Dr. Zerega
5.0
Based on 5 Reviews
5 Stars (5)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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How likely are you to recommend Dr. Zerega?

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Patient Reviews
Oct 02, 2020
I'll be 50 this month so my primary referred me to Dr. Zerega for a colonoscopy. I was a bit nervous going in as I've made it this far and have never had a single surgery or procedure. He was very personable and put my mind at ease. In fact, the entire staff was great. I was in and out in less than 2 1/2 hours and the procedure itself was less than 30min. No pain, discomfort or downtime and the end result and pictures were great. I would definitely recommend Dr. Zerega!
Christopher P — Oct 02, 2020
See more reviews on Healthgrades
Photo: Dr. Michael Zerega, MD
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Dr. Zerega's Office & Staff

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  • Office environment, cleanliness, comfort, etc.
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Zerega

  • Level of trust in provider's decisions
  • 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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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Zerega, or would you like to choose another provider and have an online appointment right now?
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(314) 569-2620

About Me

Specialties*
Internal Medicine
Gastroenterology
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
  • University of Washington School of Medicine
    1997
Medical Education

Board Certifications

Board Certifications
  • Gastroenterology
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.

Residency

Residency Hospital
  • Washington U/b Jh/slch Conc
Residency Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Zerega communicate via email?
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Does Dr. Zerega offer telehealth services or virtual visits?
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Does Dr. Zerega offer an online patient portal?
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Does Dr. Zerega have free onsite parking?
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Does Dr. Zerega offer weekend visits?
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Does Dr. Zerega offer evening visits?
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Does Dr. Zerega specialize in working with children or adolescents?
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Does Dr. Zerega specialize in working with seniors?
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Does Dr. Zerega specialize in couples therapy?
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Does Dr. Zerega specialize in working with LGBTQ+ community?
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Does Dr. Zerega accept insurance?
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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. Michael Zerega, MD. To arrange an appointment, call the number on Dr. Zerega's profile.

Dr. Zerega frequently treats the following conditions: Gastroesophageal Reflux Disease (GERD), Esophagitis and Diaphragmatic and Hiatal Hernia. See more on Sharecare.

Dr. Michael Zerega, MD is affiliated with Missouri Baptist Medical Center, St. Luke's Hospital, Mercy Hospital St. Louis and SSM Health St. Joseph Hospital - Lake Saint Louis.

Yes, Dr. Michael Zerega, MD holds board certification in Gastroenterology.

Hospital Affiliations

  • Missouri Baptist Medical Center

    3015 N Ballas Rd, Saint Louis, MO

  • St. Luke's Hospital

    232 S Woods Mill Rd, Chesterfield, MO

  • Mercy Hospital St. Louis

    615 S New Ballas Rd, Saint Louis, MO

  • SSM Health St. Joseph Hospital - Lake Saint Louis

    100 Medical Plz, Lake Saint Louis, MO