John Zeroogian, MD

Unio Specialty Care

Gastroenterology

Pasadena, CA

Most recent review: 2 weeks ago Recent
4.9
119 Ratings
38 Comments

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.

4.9
119 Ratings
38 Comments

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.

The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.

Very good Doctor thank you for everything you done for my good health

(2 weeks ago) Sep-2026

Awesome service! Dr. Zeroogian was friendly and put me at ease.

(2 weeks ago) Sep-2026

He is very professional and made me feel comfortable with my Endoscopy and Colonoscopy

(2 weeks ago) Sep-2026

All around great experience. Physician is knowledgeable and personable, staff is caring and efficient. Couldn’t ask for more

(1 month ago) Sep-2026

Always Great!

(2 months ago) Jul-2026

Cool Dude!

(2 months ago) Jul-2026

Very thorough and knowledgeable

(2 months ago) Jul-2026

Very kind and professional.

(4 months ago) May-2026

Dr. Zeroogian is thorough, informative and encouraging. I fully recommend him.

(4 months ago) May-2026

Best Doctor ever! Very thorough and caring

(6 months ago) Mar-2026