Dr. Dennis S. Riff, M.D.

Internal Medicine

(1 review)
Accepting new patients 17 years of experience Offers telehealth


Dr. Dennis S. Riff, M.D. is an Internist (Primary Care Doctor) in Anaheim, CA. He specializes in Internal Medicine, has 17 years of experience, and is board certified. He graduated from University of California Irvine Medical Center and he is affiliated with Foothill Regional Medical Center and Ahmc Anaheim Regional Medical Center.

Dr. Riff works at Associated Gastrontrlgy Med Grp. He frequently treats conditions like Viral Enteritis, Reflux Esophagitis along with other conditions...

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ADHD and-or ADD
Abdominal Pain
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Abdominal Pain
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May Perform
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May Perform
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Patient Reviews (1)
Mar 8, 2018

Dr. Riff is kind and attentive to what is going on in your life that may be affecting your disease process. He is always happy to see you and is very friendly. I feel so fortunate that He is the Dr. that I was assigned to, would not want any one...


About Dr. Dennis S. Riff, M.D.


  • Internal Medicine

Years of Experience

17 years of experience

Languages Spoken

  • English



NPI Number


Education & Certifications

Medical Education

  • Thomas Jefferson University


  • Thomas Jefferson University Hospital
  • University CA Irvine


  • University of California Irvine Medical Center

Board Certifications

  • Internal Medicine


Associated Gastrontrlgy Med Grp

1211 W La Palma Ave Ste 306,

Anaheim, CA 92801


Admitting Hospitals

  • Ahmc Anaheim Regional Medical Center
  • Foothill Regional Medical Center

Frequently Asked Questions

Is Dr. Dennis S. Riff, M.D. accepting new patients?

Dr. Riff is accepting new patients on Healthline FindCare. You can check to see if Dr. Riff is offering online scheduling or call the provider’s office for more information.

Who are other Internists (Primary Care Doctors) nearby?
Does Dr. Dennis S. Riff, M.D. accept my insurance?

Dr. Riff accepts Aetna, Anthem, Blue Cross Blue Shield, Blue Cross Blue Shield of California, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.

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