About

Benjamin Weinberg, MD is a respected gastroenterologist with 25 years of experience in the field. He previously served as medical director of MemorialCare’s Digestive Care Center. “Since I was a child, I have loved the idea of applying science to help people,” he says. “Nothing brings me greater joy than having daily interactions as a physician with patients and helping them better understand, manage, and control their conditions and diseases.”

In addition to treating patients, Dr. Weinberg has been engaged as a Principal Investigator and Study Coordinator in numerous research projects. He has published articles in peer-reviewed journals and presented at national conferences on his findings. What gives Dr. Weinberg the most professional satisfaction? 

“By building meaningful doctor-patient relationships and offering thoughtful guidance, I empower patients to make informed decisions tailored to their individual needs. I strive to ensure that every patient gets the highest level of medical care and is treated with the same compassion that I would have for my own family.”

Dr. Weinberg is double boarded in gastroenterology and internal medicine. He grew up in a small coastal town south of Boston, and earned his degree at the Boston University School of Medicine. He completed his residency and Fellowship at University of California, Los Angeles-affiliated programs. Before deciding on a career in medicine, Dr. Weinberg earned a Bachelor of Arts degree at Dartmouth College.

In his off hours, Dr. Weinberg enjoys spending time with his family, exercising by running and weight-lifting, and outdoor activities like hiking, fishing and skiing. As a former studio art major, he also enjoys oil painting.

Languages

English

Provider Specialty

Gastroenterology

Areas of Care

Education

Medical School

Boston University School of Medicine

2001

Internship/Residency - Internal Medicine

Olive View/UCLA Medical Center

2004

Teaching Affiliation

University of California at Los Angeles

2005

Fellowship Program - Gastroenterology

Olive View/UCLA Medical Center

2008

Locations & Affiliations

Locations

MemorialCare Gastroenterology – Saddleback Medical Center (Medical Office Tower)

24411 Health Center Dr, Suite 680

Laguna Hills, CA

Office: 866-832-8027

Insurance

Please consult your health care provider or health plan for the most accurate information about your health plan’s coverage of a particular health care service offered at a MemorialCare facility. Learn more about our Accepted Health Plans.

Patient Reviews

5.0 out of 5
(5 Ratings)
Jun 30, 2026
Kamran P.
I have been Dr. Weinberg's patient for many years. He is the best I have ever experienced in the medical industry. He has an amazing bedside manner and he is extremely attentive. I highly recommend him.
Jun 10, 2026
Fred R.
Dr Weinberg is a great caring doctor.
Mar 5, 2025
Lynn G.
Sep 1, 2024
Vic C.
Jun 27, 2024
Mitch K.

Source: Reviews are aggregated from third-party review sites such as Facebook, Google, HealthGrades, RepuGen, Vitals, WebMD, and Yelp.