Summary

Dr. Mark Gretsinger specializes in gastroenterology and internal medicine, bringing over four decades of medical expertise to his practice. He earned his medical degree from Wright State University Boonshoft School of Medicine and completed his residency at Medical College of Ohio Hospital. With 43 years of experience treating digestive disorders and providing comprehensive internal medicine care, Dr. Gretsinger serves patients who speak both English and Spanish.

Dr. Gretsinger is affiliated with Promedica Flower Hospital and practices at multiple locations throughout Ohio, including Sylvania, Maumee, and Toledo. His extensive experience in gastroenterology allows him to address a wide range of digestive health concerns and internal medicine needs. Patients have given Dr. Gretsinger an average rating of 2.5 on Vitals, reflecting their experiences with his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.5
  • 43 years of experience
  • speaks English, Spanish
  • Medical College Of Ohio Hospital
  • 5 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. Mark David Gretsinger has 3 locations

Promedica Physicians Digestive Healthcare

5700 Monroe St Unit 103Sylvania, OH 43560
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Mclaren Saint Lukes Hospital

5901 Monclova RdMaumee, OH 43537

Promedica

3439 Granite CirToledo, OH 43617

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Dr. Mark David Gretsinger, MDAshley Anderson, APRNBrendon Bower, APRNShauna Sanderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.5 
43 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
Sylvania , OHSACRAMENTO , CATempe , AZTallahassee , FL
Med School: Wright State University Boonshoft School Of Medicine Med School: East Tennessee State University - Quillen College of Medicine Med School: University of Cincinnati Med School: Creighton University College of Nursing
Current Profile
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Insurance Plans Accepted by Dr. Mark David Gretsinger

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Mark David Gretsinger has the following 2 specialties

Specialty Expertise

Dr. Mark David Gretsinger has the following 11 areas of expertise

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

Certifications, License, & Education

43 Years Experience

Education & Training

Residency

Completed their residency at Medical College Of Ohio Hospital.

Medical School

Graduated from Wright State University Boonshoft School Of Medicine in 1984 and Wright State University Boonshoft School Of Medicine in 1983.

NPI Number

Dr. Gretsinger's NPI number is 1407843758.

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Frequently Asked Questions

What languages does Dr. Mark Gretsinger speak?
Dr. Mark Gretsinger speaks English and Spanish.
Is Dr. Mark Gretsinger accepting new patients?
Dr. Mark Gretsinger is accepting new patients on Vitals. View Dr. Mark Gretsinger's profile on Vitals to make an appointment.
Does Dr. Mark Gretsinger accept virtual/telehealth appointments?
Dr. Mark Gretsinger has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Gretsinger accept my insurance?
You can see the insurance plans that Dr. Mark Gretsinger accepts on their Vitals profile.
Where is Dr. Mark Gretsinger's office located?
Dr. Mark Gretsinger's office is located at 5700 Monroe St Unit 103, Sylvania, OH, 43560.

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