Dr. Joel Adam Alpern MD Gastroenterologist

Dr. Joel Alpern is a gastroenterologist in Ventura, California and is affiliated with multiple hospitals in the area, including Community Memorial Health System and LAC-Harbor-University of California at Los Angeles Medical Center. He received his medical degree from Northwestern University Feinberg School of Medicine and has been in practice for 10 years. He is one of 6 doctors at Community Memorial Health System and one of 7 at LAC-Harbor-University of California at Los Angeles Medical Center who specialize in Gastroenterology. He also speaks multiple languages, including Spanish and Portuguese.

Are you Dr. Alpern? Edit Profile

Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Education & Medical Training

Emory University
Residency, Internal Medicine, 2004–2007

UCLA Medical Center
Fellowship, Gastroenterology, 2008–2011

Northwestern University Feinberg School of Medicine
Class of 2004

Certifications & Licensure

American Board of Internal Medicine
Certified in Internal Medicine

American Board of Internal Medicine
Certified in Gastroenterology

CA State Medical License
Active through 2018

Publications & Presentations

Invasive Escherichia coli are a feature of Crohn's disease.
Sasaki, M., Sitaraman, S.V., Babbin, B.A., Gerner-Smidt, P., Ribot, E.M., Garrett, N., Alpern, J.A., Akyildiz, A., Theiss, A.L., Nusrat, A., Klapproth, J.A.


Report a Correction — If you are aware of information on this page that is out of date or incorrect, please let us know.

Patient Advice & Support


See More
Our Doctor Finder includes most U.S. physicians. Doctors are not ranked, learn more.

Best Gastroenterology & GI Surgery Hospitals

  1. #1
    Rochester, MN
  2. #2
    Cleveland, OH
  3. #3
    Baltimore, MD

See Full Rankings

Find a Hospital by Location

Your Message Has Been Submitted

As part of our research on the correction you submitted, you may be contacted at the email address provided.

Sorry, Your Message Could Not Be Submitted

Please try again later, or E-mail your message to doctors@usnews.com and include the Web address (URL) of the page that contains incorrect information.