4.5
37 Ratings with 17 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | |
| Dr. Dennis Stone Riff, MD | Chimdi Mfebe, APRN | Bhavana Akotia, PA-C | Theresa Obonyano, APRN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 55 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, Chinese | Speaks English | Speaks English | Speaks English |
| Anaheim , CA | Little Rock , AR | Tempe , AZ | SACRAMENTO , CA |
| Med School: Sidney Kimmel Medical College At Thomas Jefferson University | Med School: Chamberlain University College of Nursing | Med School: Charles R Drew University | Med School: The University of Texas Health Science Center at Houston |
Current Profile | View Profile | View Profile | View Profile |
Dr. Dennis Stone Riff holds an expired medical license in the state of California.
Medical Doctor with an expired medical license in the state of California that expired in 2025.
Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 1971.
Dr. Riff's NPI number is 1922004662.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.