Summary

Dr. Marin Marcu specializes in gastroenterology and internal medicine, bringing four decades of medical expertise to his practice. He earned his medical degree from Universitatea De Medicina Si Farmacie Carol Davila and completed his residency training at St Louis University School of Medicine. Dr. Marcu speaks Spanish and French, allowing him to communicate effectively with diverse patient populations.

Based in Saint Charles, Missouri, Dr. Marcu is affiliated with SSM Saint Joseph Health Center Wentzville. He focuses on digestive health conditions, including the removal of polyps and performing specialized procedures like ERCP to diagnose and treat bile duct and pancreatic disorders. Dr. Marcu also conducts small bowel enteroscopy to examine hard-to-reach areas of the intestine. Patients have given him an average rating of 4.2 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 40 years of experience
  • 44 insurance plans accepted
  • speaks Spanish, French
  • St Louis University School Of Medicine
  • 10 written reviews
  • 3 specialties
  • 12 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Dr. Marin Marcu

400 1st Capitol Dr Ste 201Saint Charles, MO 63301
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. Marin Marcu, MDRebecca Humphries, APRNAshley Anderson, APRNShauna Sanderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
40 Years of Experience
Virtual Visit Available Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, French Speaks English Speaks English Speaks English
Saint Charles , MOSACRAMENTO , CASACRAMENTO , CATallahassee , FL
Med School: Universitatea De Medicina Si Farmacie Carol Davila Med School: Emory University Med School: East Tennessee State University - Quillen College of Medicine Med School: Creighton University College of Nursing
Current Profile
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Insurance Plans Accepted by Dr. Marin Marcu

  • Aetna
  • Aetna - Medicare
  • Anthem Blue Cross
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Tennessee
  • CHAMPVA
  • CHAMPVA - HMO
  • Cigna
  • Cigna-HealthSpring
  • Cox HealthPlans
  • Dean Health Plan
  • Dean Health Plan - HMO
  • Devoted Health
  • ESSENCE Healthcare
  • ESSENCE Healthcare - HMO
  • Golden Rule
  • Healthlink
  • Healthlink - PPO
  • HealthPartners
  • HealthScope Benefits
  • Humana
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Mutual of Omaha
  • Oscar Health Insurance
  • Provider Partners Health Plan
  • STLDentalPlan| LLC
  • Transamerica
  • Tricare
  • Trusted Health Plan
  • Tufts Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • UnitedHealthOne
  • Wellcare

Medical Specialties

Dr. Marin Marcu has the following 3 specialties

Specialty Expertise

Dr. Marin Marcu has the following 12 areas of expertise

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

Certifications, License, & Education

40 Years Experience

MEDICAL LICENSE

Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Residency

St Louis University School Of Medicine

Medical School

Universitatea De Medicina Si Farmacie Carol DavilaGraduated in 1986

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Frequently Asked Questions

Does Dr. Marin Marcu accept virtual/telehealth appointments?
Yes, Dr. Marin Marcu accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.
How can I make an appointment with Dr. Marin Marcu?
You can find contact information for Dr. Marin Marcu here on Vitals.
Is Dr. Marin Marcu accepting new patients?
Dr. Marin Marcu is accepting new patients on Vitals. View Dr. Marin Marcu's profile on Vitals to make an appointment.
Where is Dr. Marin Marcu's office located?
Dr. Marin Marcu's office is located at 400 1st Capitol Dr Ste 201, Saint Charles, MO, 63301.
Does Dr. Marin Marcu accept my insurance?
You can see the insurance plans that Dr. Marin Marcu accepts on their Vitals profile.

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