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Physician Directory

Dr. Dennis S. Riff, MD


  • 1211 W La Palma Ave Ste 306
    Anaheim, CA 92801
  • 1 Location
  • (714) 778-1300

Dr. Riff's Overview

Dr. Dennis S. Riff graduated from the Thomas Jefferson University, Jefferson Medical College in 1971. He works in Anaheim, CA and specializes in Gastroenterology and Internal Medicine. Dr. Riff is affiliated with Anaheim Regional Medical Center, Chapman Medical Center, Placentia Linda Hospital and Western Medical Center Santa Ana. He speaks English and Spanish.

Gender: Male

Languages Spoken: English, Spanish

Dr. Riff's Experience

Years in Practice: 44

Conditions Treated by Dr. Riff

  • Constipation
  • Gastritis and duodenitis
  • Gastroesophageal reflux disease (GERD)
  • Inflammatory bowel disease (IBD)
  • Irritable bowel syndrome (IBS)
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Procedures Performed by Dr. Riff

  • Electrocardiogram (EKG, ECG)
  • Colonoscopy, flexible
  • Endoscopy, upper gastrointestinal (UGI)
  • Immunization administration
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Dr. Riff's Specialties

Gastroenterology, Internal Medicine

Dr. Riff's Education & Training

Medical School: Thomas Jefferson University, Jefferson Medical College; Graduated 1971

Dr. Riff's Accepted Insurance

  • Aetna Basic HMO
  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • Aetna Savings Plus of CA
  • Aetna Signature Administrators PPO
  • Aetna Vitalidad Plus CA con Aetna
  • BCBS Blue Card PPO
  • Blue Cross CA CaliforniaCare HMO
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Dr. Riff's Office Information & Appointments

Office Locations

Associated Gastroenterology Medical Group

1211 W La Palma Ave Ste 306
Anaheim, CA 92801
(714) 778-1300


Office Hours and Information

Fax: (714) 778-6235

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:30 AM - 5:00 PM
Tuesday 8:30 AM - 5:00 PM
Wednesday 8:30 AM - 5:00 PM
Thursday 8:30 AM - 5:00 PM
Friday 8:30 AM - 1:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Riff's Practice

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