John Zeroogian, MD

Practice: Unio Specialty Care

Specialty: Gastroenterology

Office locations: Pasadena, CA

Most recent review: 1 month ago
4.9 out of 5
121 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 out of 5
121 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

Rated 5 out of 5 stars
(1 month ago) Sep-2026

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

Rated 5 out of 5 stars
(1 month ago) Sep-2026

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

Rated 5 out of 5 stars
(1 month ago) Sep-2026

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

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Always Great!

Rated 5 out of 5 stars
(2 months ago) Jul-2026

Cool Dude!

Rated 5 out of 5 stars
(3 months ago) Jul-2026

Very thorough and knowledgeable

Rated 5 out of 5 stars
(3 months ago) Jul-2026

Very kind and professional.

Rated 5 out of 5 stars
(5 months ago) May-2026

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

Rated 5 out of 5 stars
(5 months ago) May-2026

Best Doctor ever! Very thorough and caring

Rated 5 out of 5 stars
(7 months ago) Mar-2026