Summary

Dr. Marin Marcu is a gastroenterologist and internal medicine physician with four decades of medical experience. He completed his medical degree at Universitatea De Medicina Si Farmacie Carol Davila and went on to complete his residency training at St. Louis University School of Medicine. Dr. Marcu speaks both French and Spanish, allowing him to care for a diverse patient population.

Dr. Marcu practices at SSM Saint Joseph Health Center Wentzville and sees patients in Saint Charles, Missouri. He specializes in complex digestive procedures including ERCP, a specialized technique used to diagnose and treat problems in the bile ducts and pancreas. Dr. Marcu also performs small bowel enteroscopy and treats conditions such as polyps. Patients have given him an average rating of 4.2 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

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

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

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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Marin Marcu, MDShauna Sanderson, APRNAshley Anderson, APRNRebecca Humphries, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
40 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks French, Spanish Speaks English Speaks English Speaks English
Saint Charles , MOTallahassee , FLSacramento , CASacramento , CA
Med School: Universitatea De Medicina Si Farmacie Carol Davila Med School: Creighton University College of Nursing Med School: East Tennessee State University - Quillen College of Medicine Med School: Emory University
Current Profile
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Insurance Plans Accepted by 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

Marin Marcu has the following 3 specialties

Specialty Expertise

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

Marin Marcu holds an expired medical license in the state of Missouri.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Residency

Completed their residency at St Louis University School Of Medicine.

Medical School

Graduated from Universitatea De Medicina Si Farmacie Carol Davila in 1986.

NPI Number

Marin Marcu's NPI number is 1295795722.

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Frequently Asked Questions

How can I make an appointment with Marin Marcu?
You can find contact information for Marin Marcu here on Vitals.
Is Marin Marcu accepting new patients?
Marin Marcu is accepting new patients on Vitals. View Marin Marcu's profile on Vitals to make an appointment.
Does Marin Marcu accept my insurance?
You can see the insurance plans that Marin Marcu accepts on their Vitals profile.
What languages does Marin Marcu speak?
Marin Marcu speaks French and Spanish.
Which hospitals is Marin Marcu affiliated with?
Marin Marcu is affiliated with Ssm Saint Joseph Health Center Wentzville.

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