About Us

A Private Gastroenterology Practice

If you are experiencing any issues of your digestive system, turn to Diablo Digestive Care, Inc. Our team treats the entire gastrointestinal system (GI tract).

Visit our office, and rely on our professional staff for comprehensive care.

Chahal Pic

Prem Chahal, MD

Dr. Chahal has a doctorate in medicine and is board-certified in gastroenterology and hepatology. After more than 10 years of experience in private practice, he has developed outstanding communication skills and a warm bedside manner.

He is passionate about preserving autonomy in patient care. In 2012, he founded Diablo Digestive Care Inc, a practice that prioritized the needs of the patients above all else.

Educational Background

Undergraduate: University of California, Santa Barbara
Graduate School: University of California, Davis
Medical School: Medical College of Virginia
GI Fellowship Training: University of Iowa


  • Celiac Disease
  • Inflammatory Bowel Disease (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Liver Disease
  • Motility (Reflux, Constipation/Diarrhea, and Bloating)

Our Mission

At Diablo Digestive Care Inc, we are dedicated to the diagnosis, treatment, and care of digestive and liver diseases. Our goal is to provide quality and compassionate patient care with continuous and unyielding attention to clinical, procedural, and administrative excellence.

By partnering with patients, developing strong relationships with them, and prioritizing their needs, we can provide the comprehensive digestive care they need. All of our dedicated healthcare personnel are committed to patient safety, and we share a common goal to deliver the best healthcare to those we serve.

Our Vision

With our compassionate and quality patient care, we strive to be the gastroenterologist of choice for patients and physicians in the East Bay. Our vision is to be recognized as a leader in gastroenterology in the East Bay. We also want to become a prominent community member known for meeting the healthcare needs of the people in our area.

Our Values


We are absolutely committed to providing exceptional patient care and maintaining the highest clinical standards.


We practice open and honest communication with patients and among staff.


We recognize everyone’s contribution. However, we also understand the need to make sacrifices for the benefit of our patients and for the betterment of our community’s health.


We encourage collaboration between patients and staff as well as between various clinical professions and specialties.


We practice honesty, fairness, and self-scrutiny in everything we do. This is our way of ensuring overall safety, assuring confidentiality, and protecting privacy.


We understand that professional development and personal well-being are both important to a healthcare provider. A well-rounded medical professional will have proper education, vast experience, and dedication to family. We believe that a good work-life balance helps health providers improve the patient experience.

Awards and Recognitions

American Registry - “America’s Most Honored Professionals - Top 1%”

Vitals - “Compassionate Doctor Award”

Vitals - “Patients’ Choice Award”

Vitals - “Top 10 California Specialists”


American Gastroenterological Association (AGA)

American College of Gastroenterology (ACG)