Summary

Dr. Mark Naddaf is a gastroenterologist and pediatrician with 25 years of experience treating digestive conditions in both children and adults. He earned his medical degree from the University of Toledo College of Medicine, building expertise in the complex field of gastrointestinal care across age groups. Dr. Naddaf speaks English and French, allowing him to communicate with a diverse patient population.

Dr. Naddaf practices at multiple locations throughout Ohio, including Toledo, Defiance, Lima, Tiffin, and Columbus. He focuses on treating bowel movement concerns such as chronic constipation and changes in bowel habits. His practice includes performing diagnostic tests like arterial blood gas analysis and alkaline phosphatase testing to help identify underlying digestive issues. Patients have given him an average rating of 3.5 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.5
  • 25 years of experience
  • speaks English, French
  • University Of Toledo College Of Medicine
  • 7 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 8 hospital affiliations
  • 9 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Mark A Naddaf has 9 locations

Mercy Health Defiance Hospital

1404 E 2nd StDefiance, OH 43512

Mercy Health Tiffin Hospital

45 St Lawrence DrTiffin, OH 44883

Nationwide Childrens Hospital

700 Childrens DrColumbus, OH 43205

Promedica Toledo Hospital

1 Promedica PkwyToledo, OH 43606

Nationwide Childrens Hospital Toledo Gastroenterology

2222 Cherry St Ste 1000Toledo, OH 43608
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 12:00 pm
SatClosed
SunClosed

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Dr. Mark A Naddaf, MDShauna Sanderson, APRNBrendon Bower, APRNStephanie Rose, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.5 
0 
0 
0 
25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, French Speaks English Speaks English Speaks English
Defiance , OHTallahassee , FLTempe , AZColumbus , OH
Med School: University Of Toledo College Of Medicine Med School: Creighton University College of Nursing Med School: University of Cincinnati Med School: University of Toledo
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Insurance Plans Accepted by Dr. Mark A Naddaf

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mark A Naddaf has the following 2 specialties

Specialty Expertise

Dr. Mark A Naddaf has the following 2 areas of expertise

  • Gastrointestinal Diseases (GI Diseases)
  • Pediatrics

Certifications, License, & Education

25 Years Experience

Dr. Mark A Naddaf holds an expired medical license in the state of Ohio.

Medical License

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

Education & Training

Medical School

Graduated from University Of Toledo College Of Medicine in 2001.

NPI Number

Dr. Naddaf's NPI number is 1124142500.

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Frequently Asked Questions

Where is Dr. Mark Naddaf's office located?
Dr. Mark Naddaf's office is located at 1404 E 2nd St, Defiance, OH, 43512.
What languages does Dr. Mark Naddaf speak?
Dr. Mark Naddaf speaks English and French.
How can I make an appointment with Dr. Mark Naddaf?
You can find contact information for Dr. Mark Naddaf here on Vitals.
Is Dr. Mark Naddaf accepting new patients?
Dr. Mark Naddaf is accepting new patients on Vitals. View Dr. Mark Naddaf's profile on Vitals to make an appointment.
Does Dr. Mark Naddaf accept my insurance?
You can see the insurance plans that Dr. Mark Naddaf accepts on their Vitals profile.

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