Summary

Dr. Michael Zerega is a gastroenterologist who has dedicated nearly three decades to digestive health care. He earned his medical degree from Washington University in St. Louis School of Medicine and completed his residency at the University of North Carolina Health System. With 29 years of experience treating patients with various digestive conditions, Dr. Zerega brings extensive knowledge to his practice. He speaks both English and Spanish, helping him connect with a diverse patient community.

Dr. Zerega practices at SSM Health Care and sees patients at Mercy Gastroenterology in Saint Louis, Missouri. His expertise includes treating common digestive issues such as colon polyps, hemorrhoids, and diverticular disease. He performs various diagnostic procedures including pathology tests and specialized biopsies to help identify and address patient concerns. Patients consistently rate their experiences highly, giving him an average rating of 5.0 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 5
  • 29 years of experience
  • 20 insurance plans accepted
  • speaks English, Spanish
  • University Of North Carolina Health System
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Mercy Gastroenterology - Mercy Hospital

615 S New Ballas Rd Ste 1200Saint Louis, MO 63141
Mon9:00 am - 4:30 pm
Tue9:00 am - 4:30 pm
Wed9:00 am - 4:30 pm
Thu9:00 am - 4:30 pm
Fri9:00 am - 4:30 pm
SatClosed
SunClosed

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Dr. Michael James ZeregaShauna Sanderson, APRNRebecca Humphries, APRNAshley Anderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
29 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Saint Louis , MOTallahassee , FLSACRAMENTO , CASACRAMENTO , CA
Med School: Washington University In St Louis School Of Medicine Med School: Creighton University College of Nursing Med School: Emory University Med School: East Tennessee State University - Quillen College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Michael James Zerega

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Anthem BlueCross BlueShield
  • Ascension Smart Health
  • Cigna
  • Essence
  • Health Net Federal Services
  • Healthlink
  • Healthy Blue (formerly Missouri Care)
  • HFN Inc.
  • Home State Health
  • Humana
  • Humana Military
  • Live360 (Health Choices Network)
  • Medica
  • MultiPlan/PHCS
  • NHC Advantage
  • PPHP (Provider Partners Health Plan)
  • Sterling Medicare
  • United Healthcare
  • WellCare Medicare Advantage

Medical Specialties

Dr. Michael James Zerega has the following 2 specialties

Specialty Expertise

Dr. Michael James Zerega has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterologist
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

29 Years Experience

MEDICAL LICENSE

Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Residency

University Of North Carolina Health System

Medical School

Washington University In St Louis School Of MedicineGraduated in 1997

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Frequently Asked Questions

Does Dr. Michael Zerega accept virtual/telehealth appointments?
Dr. Michael Zerega has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Michael Zerega's office located?
Dr. Michael Zerega's office is located at 615 S New Ballas Rd Ste 1200, Saint Louis, MO, 63141.
Which hospitals is Dr. Michael Zerega affiliated with?
Dr. Michael Zerega is affiliated with Ssm Health Care.
Does Dr. Michael Zerega accept my insurance?
You can see the insurance plans that Dr. Michael Zerega accepts on their Vitals profile.
Is Dr. Michael Zerega accepting new patients?
Dr. Michael Zerega has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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