Diablo Clinical Research Email Format

Research ServicesCalifornia, United States11-50 Employees

Diablo Clinical Research operates as a clinical research facility in Walnut Creek, delivering studies across multiple medical specialties, including endocrinology, internal medicine, cardiology, and neurology. Founded in 1995 by Dr. Richard L. Weinstein, the organization has completed more than 600 studies and maintains a database of over 12,000 individuals connected to past, current, or prospective trials. The site focuses on Phase I through Phase IV clinical trials as well as medical device studies, supporting sponsors seeking to conduct research in the region.

Leadership comprises Co-Medical Directors Leonard Chuck, PhD, MD, and Mark Christiansen, MD, both with extended experience in clinical practice and research. In February 2025, Flourish Research announced the acquisition of Diablo Clinical Research, signaling a change in ownership while the site continues its trial work. Positioned within the broader research services industry, the organization serves sponsors and patients in the Walnut Creek area with a multi-therapeutic trial capability.

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