Dr. Justin Marasigan, D.O. earned his medical degree from Kirksville College of Osteopathic Medicine in Missouri. Dr. Marasigan went on to complete his Internal Medicine Residency in the Detroit area and his Gastroenterology specialty training in Erie, Pennsylvania. He applied a variety of experiences from rural offices to large academic centers throughout Western Pennsylvania and Eastern Ohio.
Dr. Justin Marasigan, D.O. earned his medical degree from Kirksville College of Osteopathic Medicine in Missouri. Dr. Marasigan went on to complete his Internal Medicine Residency in the Detroit area and his Gastroenterology specialty training in Erie, Pennsylvania. He applied a variety of experiences from rural offices to large academic centers throughout Western Pennsylvania and Eastern Ohio.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Vey professional
(1 week ago)
Aug-2026
The doctor listen very well and explained everything in detail.
(3 weeks ago)
Aug-2026
Very good my case is very confusing and complicated. He took time he listened. He read notes made very professional choices. Looking forward to my future medical care with him.
(1 month ago)
Jul-2026
Very professional and supportive! Thank you.
(1 month ago)
Jul-2026
Listened to my concerns, and provided information on procedures and other information related to the possible diagnoses and risks of procedures.
(1 month ago)
Jul-2026
I'm very pleased with Dr. marasigan as my doctor.
(2 months ago)
Jun-2026
Dr. Marasigan - is very good about covering all my history, and I have a very long gastiric history from 1979 surgery due to Ulcerative Colitis and the removal of my colon.
(2 months ago)
Jun-2026
Excellent service thank you so much
(2 months ago)
Jun-2026
Very professional, easy to talk to.
(2 months ago)
Jun-2026
Friendly and professional
(2 months ago)
Jun-2026
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GI-Camarillo
4005 Mission Oaks Blvd. Unit A Camarillo, CA 93012
GI-Oxnard
2241 Wankel Way Suite A Oxnard, CA
Dr. Justin Marasigan, D.O. was raised in the Los Angeles area. He earned his undergraduate degree from the University of Southern California and his medical degree from Kirksville College of Osteopathic Medicine in Missouri. Dr. Marasigan went on to complete his Internal Medicine Residency in the Detroit area and his Gastroenterology specialty training in Erie, Pennsylvania. He applied a variety of experiences from rural offices to large academic centers throughout Western Pennsylvania and Eastern Ohio. Prior to joining the team in Ventura County, Dr. Marasigan practiced Gastroenterology for 7 years in Washington State.
When he is not at work, Dr. Marasigan enjoys spending time with his wife, twin son and daughter, and dog Sadie
Vey professional
The doctor listen very well and explained everything in detail.
Very good my case is very confusing and complicated. He took time he listened. He read notes made very professional choices. Looking forward to my future medical care with him.
Very professional and supportive! Thank you.
Listened to my concerns, and provided information on procedures and other information related to the possible diagnoses and risks of procedures.
I'm very pleased with Dr. marasigan as my doctor.
Dr. Marasigan - is very good about covering all my history, and I have a very long gastiric history from 1979 surgery due to Ulcerative Colitis and the removal of my colon.
Excellent service thank you so much
Very professional, easy to talk to.
Friendly and professional