Cortland Office
Mary Ann Fontanarosa, M.D.

Biography
Dan Olson, M.D.

Biography
Sameh Youssef, M.D.
Sameh Youssef, M.D.
Biography

Trumbull Mahoning Medical Group - Cortland

2600 Elm Road N.E.
Cortland, OH 44410
Phone: (330) 372-8800
Fax: (330) 372-8954
 
Internal Medicine
Dr. Mary Ann Fontanarosa, M.D. 
Dr. Dan Olson, M.D.
Dr. Sameh Youssef, M.D.
 

HOURS OF OPERATION:
 

Physician Office Hours:

Monday 8:30 am —  4:30 pm
Phones answered 9:00 am -4:00 pm 
Tuesday 8:30 am —  4:30 pm
Phones answered 9:00 am - 4:00 pm
Wednesday 8:30 am —  12:00 pm
Phones answered 9:00 am - 12:00 pm
Thursday 8:30 am —  4:30 pm
Phones answered 9:00 am - 4:00 pm
Friday 8:30 am —  12:00 pm
Phones answered 9:00 am - 12:00 pm 
Saturday & Sunday Closed

Lab Hours:
We are now offering lab services provided by the Cleveland Clinic!
 
Monday 7:30 am —  4:00 pm
Closed from 12:30 pm - 1:00 pm for lunch 
Tuesday 7:30 am —  5:00 pm
Closed from 12:30 pm - 1:00 pm for lunch
Wednesday 7:30 am —  12:00 pm
Thursday 7:30 am —  4:00 pm
Closed from 12:30 pm - 1:00 pm for lunch
Friday
7:30 am —  12:00 pm 
Saturday & Sunday Closed

We are closed all major holidays.

HOSPITAL AFFILIATIONS:
Cortland physicians see patients at Trumbull Regional Medical Center and St. Joseph’s Health Center.

TMMG Answering Service is available at (330) 742-8035 for urgent needs when the office is closed.