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.
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.
(1 week ago)
Jun-2026
Excellent service thank you so much
(2 weeks ago)
Jun-2026
Very professional, easy to talk to.
(3 weeks ago)
Jun-2026
Friendly and professional
(3 weeks ago)
Jun-2026
He was amazing. Took his time with me and listened to everything I needed to say.
(1 month ago)
May-2026
Dr. Marasigan provides excellent care. He completely explained the results of my procedure and addressed all of my concerns.
(1 month ago)
May-2026
Excellent doctor and really nice.
(1 month ago)
May-2026
Excellent doctor excellent attention he splain very well I recommend 5 star
(1 month ago)
May-2026
Can we say thorough.
(1 month ago)
May-2026
Very friendly...
I look forward to coming back..
(2 months ago)
Apr-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
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
He was amazing. Took his time with me and listened to everything I needed to say.
Dr. Marasigan provides excellent care. He completely explained the results of my procedure and addressed all of my concerns.
Excellent doctor and really nice.
Excellent doctor excellent attention he splain very well I recommend 5 star
Can we say thorough.
Very friendly... I look forward to coming back..