John Zeroogian, MD
Practice: Unio Specialty Care
Specialty: Gastroenterology
Office locations: Pasadena, CA
Dr. John Zeroogian, M.D. obtained his medical degree at the University of Pittsburgh and completed his medical residency at the Massachusetts General Hospital. Dr. Zeroogian followed by completing his gastroenterology fellowship at Beth Israel Hospital and Harvard Medical School. Dr. Zeroogian is able to use the latest techniques and technology to diagnose and treat a full range of digestive issues.
Dr. John Zeroogian, M.D. obtained his medical degree at the University of Pittsburgh and completed his medical residency at the Massachusetts General Hospital. Dr. Zeroogian followed by completing his gastroenterology fellowship at Beth Israel Hospital and Harvard Medical School. Dr. Zeroogian is able to use the latest techniques and technology to diagnose and treat a full range of digestive issues.
GI-Pasadena – Bellefontaine Street
Suite 308
Pasadena, CA 91105
Dr. John Zeroogian, M.D. graduated summa cum laude from Springfield College and went on to obtain his medical degree at the University of Pittsburgh, where he graduated first in his class. He subsequently completed his medical residency at the Massachusetts General Hospital in Boston. Dr. Zeroogian followed by completing his gastroenterology fellowship at Beth Israel Hospital and Harvard Medical School.
After his medical training, Dr. Zeroogian joined a large group practice in Massachusetts for over twenty years and was the group’s President for several years. In 2019, he relocated with his family to Pasadena, CA. With his extensive training and experience, Dr. Zeroogian is able to use the latest techniques and technology to diagnose and treat a full range of digestive issues. In his spare time, Dr. Zeroogian enjoys many sports, traveling, and spending time with his wife and two children.

Very good Doctor thank you for everything you done for my good health
Awesome service! Dr. Zeroogian was friendly and put me at ease.
He is very professional and made me feel comfortable with my Endoscopy and Colonoscopy
All around great experience. Physician is knowledgeable and personable, staff is caring and efficient. Couldn’t ask for more
Always Great!
Cool Dude!
Very thorough and knowledgeable
Very kind and professional.
Dr. Zeroogian is thorough, informative and encouraging. I fully recommend him.
Best Doctor ever! Very thorough and caring