Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mary Ann Fontanarosa, MD

Individual provider Internal Medicine Physician · NPI 1902824188

Mary Ann Fontanarosa, MD is an Internal Medicine in Cortland, Ohio. Graduated from University of Toledo College of Medicine in 1982, 44 years ago. Practices with Trumbull Mahoning Medical Group, Inc, a 7-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
44
Trained at
University of Toledo College of Medicine
Licensed in
OH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2600 State Route 5
Cortland, OH 44410-9393
Phone: (330) 372-8800
Fax: (330) 372-8999
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 35050393 (OH)

Record details

NPI number1902824188
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 17, 2006
Last updated in NPPESAugust 2, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Trumbull Mahoning Medical Group, Inc. — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Cortland