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Dr. Michael Zerega, MD

Internal Medicine*
5.0 (5)
Map Pin Small Lake Saint Louis, MO
Accepting new patients
27 years of experience

Offers telehealth

Overview of Dr. Michael Zerega, MD

Dr. Michael Zerega, MD is an Internal Medicine Specialist in Lake Saint Louis, MO. They specialize in Internal Medicine, has 27 years of experience, and is board certified in Gastroenterology. They graduated from University of Washington School of Medicine and is 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, completed a residency at Washington U/b Jh/slch Conc. Patients rated Dr. Zerega an average 5.0 star rating.

Dr. Zerega works at Mercy Clinic Digestive Disease in Lake Saint Louis, MO with other offices in Chesterfield, MO, Saint Louis, MO and Ballwin, MO. They frequently treat conditions like Gastroesophageal Reflux Disease (GERD), Esophagitis and Diaphragmatic and Hiatal Hernia along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

FindCare Super Profile Designation
Super Profile
5/5
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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Zerega's Office 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

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Missouri Baptist Medical Center
  • St. Luke's Hospital
  • Mercy Hospital St. Louis
  • SSM Health St. Joseph Hospital-Lake Saint Louis

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Gastroesophageal Reflux Disease (GERD)
Esophagitis
Diaphragmatic and Hiatal Hernia
Gastroesophageal Reflux Disease (GERD)
Diaphragmatic and Hiatal Hernia

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
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
Check your insurance
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    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • First Health
    • Humana
    • MultiPlan

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    5.0
    Average provider rating
    Based on 5 ratings
    Patient Ratings (5)
    5 Star
    (5)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (0)
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    Dr. Zerega's Office & Staff

    • Ease of scheduling urgent appointments
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    • 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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    About Dr. Michael Zerega, MD

    Specialties*
    • Internal Medicine

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 27 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1073505178
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Residency
    • Washington U/b Jh/slch Conc
    Residency
    Medical Education
    • University of Washington School of Medicine
    Medical Education
    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.

    Frequently Asked Questions

    Dr. Michael Zerega, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Zerega is offering online scheduling or call the provider’s office for more information.

    Dr. Zerega has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Zerega has seen patients for Gastroesophageal Reflux Disease (GERD), Esophagitis and Diaphragmatic and Hiatal Hernia, and more. You can see other conditions treated by Dr. Zerega on their profile. Please call the provider’s office to confirm all visit reasons.

    5 patients have reviewed Dr. Zerega. The overall rating for this provider is 5.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Zerega.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Zerega, there are benefits to both methods. A person calling to schedule an with Dr. Zerega appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    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?
    Find provider online now
    Call now to make an appointment
    (314) 569-2620

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