Advantage Neuropsychiatric

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1010 W Chapman Ave
Orange, CA 92868

Orange County Neuropsychiatric (OCN) is a dedicated clinical research and development organization with multiple locations in Orange, Santa Ana, and Los Angeles. Established in 2005, OCN conducts clinical trials in various fields, including psychiatry, neurology, rheumatology, nephrology, endocrinology, and vaccine development, with the aim of advancing safe and effective therapeutics to the marketplace.

With a team of highly trained board-certified physicians, psychiatrists, psychologists, and experienced clinical research coordinators, OCN ensures adherence to the standards of Good Clinical Practice (GCP) and International Council for Harmonisation (ICH) guidelines. Committed to promoting health equity, OCN strives to increase trial participation from under-represented communities, delivering diversity into clinical trials and contributing to the advancement of medical knowledge.

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Reviews

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2.035 reviews
Julia I.
8/27/2025

Dr. Chueh and his staff outshine any other mental health experience! Everyone was kind, professional, compassionate and supportive. It helped me regain quality of life. Thank you!

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Nola M.
6/5/2025

I made an appointment with a mental health nurse practitioner to get my meds adjusted and to resume treatment for my ADHD. My first impressions were not favorable. This is a two story building and...

C O.
7/14/2025

Dr. Cologne is nice and all, but the front office staff are thieves... I manage finances for my brother that has cerebral palsy and psychosis... In the process of organizing his finances, I found...

Genetic R.
7/12/2025

I don't even want to give them a rating, I have never ever written a review ever but here we go, I've been with them for years and within the last year or so the front desk employees have become...

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JT W.
11/1/2024

So, this is nothing new but the receptionist team is flat out terrible. They must have the heaviest workload in the history of medicine because they NEVER answer the phones. I've called to get my...

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