Mary M. DeCaro, MD

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Practice Philosophy

Dr. De Caro provides personalized, compassionate care to patients aged 16 and older. She partners with her patients to promote healthy lifestyles through preventive care and regular follow-up, as well as management for chronic illnesses.

Practice Name
  • Main Line HealthCare Primary Care at Riddle Hospital
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This doctor is employed by Main Line HealthCare, the multispecialty physician network of Main Line Health, including more than 350 community and hospital-based physicians.

Locations and Appointments

Riddle Health Center 2, Suite 2208
1088 West Baltimore Pike
Media, PA 19063
  • Phone: 484.234.5200
  • Fax: 484.234.5201
  • Accessibility: Public Transportation

Do you have questions or are you looking for help in choosing the right provider?

Call 1.866.CALL.MLH (1.866.225.5654), Monday through Friday between 8:00 am–6:00 pm ET, to speak with a member of our referral staff who can help find the doctor who is right for you.

About Mary M. DeCaro, MD

  • Gender: Female
  • Years of Experience: 27
  • Language: English
Specialties Accepting New Patients
Family Medicine Board certified since 1991
Primary Affiliation


Medical school
  • Hahnemann University
  • Hahnemann University
  • Delaware County Memorial Hospital
  • Delaware County Memorial Hospital

*Members of the Main Line Health medical staff are affiliated with Bryn Mawr Hospital, Lankenau Medical Center, Paoli Hospital and Riddle Hospital. Membership on the medical staff of any of our hospitals does not constitute an employment or agency relationship.

Awards & Memberships

Current Membership & Activities
  • Diplomate - American Board of Family Medicine
  • American Academy of Family Practice
  • Pennsylvania Medical Society
  • Delaware County Medical Society