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Dr. Michael Zerega, MD

Internal Medicine* Age 53
Dr. Michael Zerega, MD
5.0 (5 Ratings)

Offers telehealth

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

Internal Medicine* Age 53
Lake Saint Louis, MO
Accepting new patients

Offers telehealth

Dr. Michael Zerega, MD is an Internist in Lake Saint Louis, MO.

About

Dr. Zerega graduated from University of Washington School of Medicine and completed a residency at Washington U/b Jh/slch Conc. Dr. Michael Zerega, MD is an Internist in Lake Saint Louis, MO. Dr. Zerega currently practices 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 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. Dr. Zerega's 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.

Compare with other Internists

Compare Dr. Zerega with Internists near you
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Experience Check

Enter a condition or procedure
Diaphragmatic and Hiatal Hernia
Esophageal Motility Disorders
Anal or Rectal Pain
Diaphragmatic and Hiatal Hernia
Esophageal Motility Disorders
Anal or Rectal Pain
Diaphragmatic and Hiatal Hernia
Esophageal Motility Disorders
Anal or Rectal Pain
Abdominal Pain
Alcoholic Cirrhosis
All Headaches (incl. Migraine)
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 Varices
Esophagitis
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
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
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Tobacco Use Disorder
Ulcerative Colitis
Unexplained Weight Loss
Vitamin_Deficiency
Vomiting Disorders
Arterial Blood Gas Test (ABG)
Duodenal Polypectomy
Electrocardiogram (EKG)
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
Adult Failure to Thrive
Alcoholic Fatty Liver
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
Cachexia
  • View other providers who treat Cachexia
Celiac Disease
Cholangitis
Cholecystitis and Gallstones
Cluster Headache
Colorectal Cancer
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Cyclical Vomiting
Cystic Fibrosis
Dehydration
Diverticulitis
Diverticulosis
Duodenal Cancer
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
Folate Deficiency Anemia
Food Allergy
Foot Infection
Gallstones
Gas-Bloat Syndrome
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Gastroparesis
Hemochromatosis
Hepatitis A
Hepatitis B
Hepatitis B - Immune Response
Hepatitis C
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hypokalemia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Intestinal Diverticulitis
Intestinal Ischemia
Intestinal Obstruction
Intestinal Prolapse
Ischemic Colitis
Limb Pain
Liver Abscess
Mallory-Weiss Syndrome
Megacolon
Muscle Spasm
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pancreatic Pseudocyst
Pancreatitis
Peptic Ulcer
Pharyngitis
Pouchitis
Primary Biliary Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Shortness of Breath
Small Intestine Cancer
Splenic Infarct
Splenomegaly
Stomach and Small Intestine Cancer
Stomal Ulcer
Thrush
  • View other providers who treat Thrush
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
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colorectal Cancer Screening
Endoscopy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
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
Proctosigmoidoscopy
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

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

Locations

  1. 1 Mercy Clinic Digestive Disease
    200 Brevco Plz Ste 208, Lake Saint Louis, MO 63367
    Icon Directions Right Arrow Directions Phone Icon (314) 569-2620
  2. 2 Chesterfield
    226 S Woods Mill Rd Ste 52, Chesterfield, MO 63017
    Icon Directions Right Arrow Directions Phone Icon (314) 434-2399
  3. 3 Mercy Hospital
    615 S New Ballas Rd Ste 1200, Saint Louis, MO 63141
    Icon Directions Right Arrow Directions Phone Icon (314) 251-2880
  4. 4 Clayton/Clarkson
    15945 Clayton Rd Ste 220, Ballwin, MO 63011
    Icon Directions Right Arrow Directions Phone Icon (314) 251-2880

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

Experience with Dr. Zerega

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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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Telehealth Options
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Call now to make an appointment
(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
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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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: 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