4.5
37 Ratings with 17 written Reviews
Summary
Dr. Dennis Riff is a gastroenterologist and internal medicine physician with 55 years of medical experience. He earned his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University. Dr. Riff specializes in digestive health conditions and provides comprehensive internal medicine care. He is fluent in Chinese and Spanish, allowing him to serve diverse patient populations.
Dr. Riff practices at several locations throughout Anaheim, California, and maintains affiliations with AHMC Anaheim Regional Medical Center, West Anaheim Medical Center, Orange County Global Medical Center, and Anaheim Community Hospital. His expertise includes treating colon polyps, abdominal pain, and GERD. He performs colonoscopies, lower GI endoscopies, and laparoscopic procedures to diagnose and treat digestive system conditions. Patients have given him an average rating of 4.5 out of 5 on Vitals.
Dr. Riff practices at several locations throughout Anaheim, California, and maintains affiliations with AHMC Anaheim Regional Medical Center, West Anaheim Medical Center, Orange County Global Medical Center, and Anaheim Community Hospital. His expertise includes treating colon polyps, abdominal pain, and GERD. He performs colonoscopies, lower GI endoscopies, and laparoscopic procedures to diagnose and treat digestive system conditions. Patients have given him an average rating of 4.5 out of 5 on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 55 years of experience
- speaks Chinese, Spanish
- Sidney Kimmel Medical College At Thomas Jefferson University
- 17 written reviews
- 2 specialties
- 9 areas of expertise
- 2 board certifications
- 4 hospital affiliations
- 3 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Dennis Stone Riff has 3 locationsAssociated Gastroenterology Medical Group
1211 W La Palma Ave Ste 306Anaheim, CA 92801 Tel: (714) 778-1300
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 4:00 pm
Fri8:30 am - 1:00 pm
SatClosed
SunClosed
Anaheim Endoscopy Center
1211 W La Palma Ave Ste 301Anaheim, CA 92801 Tel: (714) 284-0737
Mon6:30 am - 3:00 pm
Tue6:30 am - 3:00 pm
Wed6:30 am - 3:00 pm
Thu6:30 am - 3:00 pm
Fri6:30 am - 3:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Dennis Stone Riff, MD | Ji Soo Choi, APRN | Ashley Anderson, APRN | Chimdi Mfebe, 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 Chinese, Spanish | Speaks English | Speaks English | Speaks English |
| Anaheim , CA | SACRAMENTO , CA | Sacramento , CA | Little Rock , AR |
| Med School: Sidney Kimmel Medical College At Thomas Jefferson University | Med School: New York University | Med School: East Tennessee State University - Quillen College of Medicine | Med School: Chamberlain University College of Nursing |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Dennis Stone Riff
Medical Specialties
Dr. Dennis Stone Riff has the following 2 specialties
Specialty Expertise
Dr. Dennis Stone Riff has the following 9 areas of expertise
Certifications, License, & Education
55 Years Experience
Dr. Dennis Stone Riff holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2025.
Education & Training
Medical School
Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 1971.
NPI Number
Dr. Riff's NPI number is 1922004662.
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Frequently Asked Questions
- Is Dr. Dennis Riff accepting new patients?
- Dr. Dennis Riff is accepting new patients on Vitals. View Dr. Dennis Riff's profile on Vitals to make an appointment.
- Where is Dr. Dennis Riff's office located?
- Dr. Dennis Riff's office is located at 1211 W La Palma Ave Ste 306, Anaheim, CA, 92801.
- Which hospitals is Dr. Dennis Riff affiliated with?
- Dr. Dennis Riff is affiliated with Ahmc Anaheim Regional Medical Center, West Anaheim Medical Center, Orange County Global Medical Center, and Anaheim Community Hospital Llc.
- Does Dr. Dennis Riff accept my insurance?
- You can see the insurance plans that Dr. Dennis Riff accepts on their Vitals profile.
- What languages does Dr. Dennis Riff speak?
- Dr. Dennis Riff speaks Chinese and Spanish.
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