Maureen Donnelly Passaro, MD
Hours:
18109 Prince Philip Dr Ste. B-200, Olney MD 20832 Hours
About Maureen Donnelly Passaro, MD
Maureen Donnelly Passaro, MD, is an endocrinologist at MedStar Health Primary Care at Olney in Olney, MD. She specializes in diagnosing and treating disorders of the endocrine system, helping patients manage conditions related to hormones and metabolism. Patients describe her as wonderful and extremely knowledgeable, one of the most caring and thorough doctors. She is incredibly kind and attentive, spending the needed time to understand medical requirements. Dr. Passaro is easy to talk to, listens carefully, and answers all questions, making patients feel at ease. Her nurses are caring, open for questions, and their assistance is outstanding, helping with meds and getting medicine assistance. The practice is remarkable with attention to detail, professionalism, and the ability to listen. There is no wait time in the lobby; patients are seen at the time of their appointment. The practice should be a model for all medical facilities on professionalism, dedication, and courtesy. Patients highly recommend her and find the experience outstanding every time.
Most Recent Reviews
April 2026
I’ve been going to Dr Passaro for 16 years to treat my type one diabetes. She’s fantastic. Thorough. Smart. Empathetic. A great listener. Everything you could want in a Dr.
April 2026
Real expertise, coupled with empathetic and effective advice and focused on a clear path forward. Can't do better.
March 2026
Dr Passaro is focus and has a good attention to details. I feel confident that she has my best interests as a priority.
More Comments(70)
- Olney, Maryland