Please be advised that we are asking anyone experiencing flu-like symptoms to not enter our office. Instead please call the front desk at (805) 641-6525 and we can reschedule your appointment for when you are symptom-free. There will not be a cancellation charge. If necessary your provider can schedule a telehealth visit with you.

For the safety of our patients and staff we are asking that you please call 805-641-6525 [3] for virtual check-in. We also ask that you please go to the third floor to be screened before visiting our office.

Thank you,
IVGA Physicians and Staff

Welcome to Island View Gastroenterology Associates

Island View Gastroenterology Associates (IVGA) is a private practice located in the beautiful coastal cities of Ventura County specializing in the evaluation and treatment of digestive and liver diseases. Its clinical and support staff are committed to providing comprehensive, high-quality patient-centered care in a friendly and compassionate environment. Physicians are Board Certified in Gastroenterology and Hepatology and have been providing medical care in the area for over 30 years. Each IVGA provider is dedicated to giving patients the personalized care and attention that they deserve. IVGA is pleased to offer a full array of diagnostic and therapeutic endoscopic services as well as clinical trials in hepatitis.

Meet Our Staff

  • Stephen D. Covington, MD

    Dr. Covington attended the University of California at Los Angeles from 1965 to1968. He earned his Bachelor of Science in Premedical Sciences from the University of California San Francisco Medical Center with highest honors and earned his M.D. Degree from UCSFMC in 1972. He completed internship and residency in Internal Medicine at LAC-Harbor General Hospital in 1975 and completed his fellowship in Gastroenterology in 1977 at UCLA-Wadsworth VA.

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  • Charles Menz, MD

    Dr. Menz earned his Bachelor of Science in Electrical Engineering at Stanford in 1971. He went to the University of Utah and earned his M.D. in 1975. Dr. Menz completed his residency in Internal Medicine at UCLA in 1978. He has been on the faculty at UCLA since completing his Gastroenterology fellowship there in 1980.

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  • Kip D. Lyche, MD

    Dr. Lyche earned his Bachelor of Science in Biochemistry graduating Magna Cum Laude in 1982 from UCLA. He went to the University of California, San Diego and received his M.D. in 1986. His internship and residency was completed in 1989 at the Santa Clara Valley Medical Center and he was named Outstanding Intern for 1986-1987. He completed his fellowship training in Gastroenterology at UCSD in 1991.

  • Benito A. Pedraza, MD

    Dr. Pedraza earned his Bachelor’s degree in 1995 from Boston College. He graduated from Temple University Medical School in 2000 and completed his internship and residency in Internal Medicine at Santa Barbara Cottage Hospital in 2003. He completed his fellowship in Gastroenterology and Hepatology at Kaiser Permanente Los Angeles Medical Center where he was named fellow of the year in 2006.

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  • Chetan Gondha, MD

    Dr. Gondha earned his Bachelor of Arts in Chemistry from Washington University in St. Louis in 1999.  He attended the University of North Carolina at Chapel Hill and completed his MD degree in 2003.  He completed his internship and residency at Emory University in Atlanta, Georgia in 2006.  He completed his fellowship in gastroenterology at Emory University in 2010.  He joined Island View Gastroenterology Associates in the fall of 2010.

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  • Joel Alpern, MD

    Dr. Alpern, who was born and raised in Ventura County, earned his Bachelor’s degree from Northwestern University in Chicago in 2000, graduating Magna Cum Laude.  He next attended Northwestern University Medical School and earned his M.D. in 2000.  His internship and residency in Internal Medicine were completed at Emory University School of Medicine in Atlanta in 2007.  Following this, his fellowship in Gastroenterology & Hepatology was completed at the UCLA School of Medicine and Cedars-Sinai Medical Center in 2011.

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  • Laya Nasrollah, MD

    Dr. Nasrollah earned her Bachelor of Science degree in Biology from University of Texas at Dallas in 2005 and graduated Magna Cum Laude. She received an extraordinary medical student award in 2000 and was a member of Alpha Epsilon Delta.  She received her Doctor of Medicine  degree from University of Texas Medical Branch in Galveston in 2010.

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  • Tatyana Mitina, PA-C

    Tatyana graduated from Ivanovo State Institute of Medicine in Russia in 1992 where she earned her MD degree.  She is licensed to practice medicine in Russia.  In 1996, she earned her certificate in Pediatric Gastroenterology from Lviv State Institute of Medicine in Ukraine. 

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Featured Articles

Read about helpful topics

    Understanding Bowel Preparation

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Colon Polyps and Their Treatment

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Gastroesophageal Reflux Disease

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Barrett's Esophagus

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Minor Rectal Bleeding

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Esophageal Testing or Manometry

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Diverticulosis

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Percutaneous Endoscopic Gastrostomy

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Esophageal Dilation

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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    Understanding Flexible Sigmoidoscopy

    This information was developed by the Publications Committee of the American Society for Gastrointestinal Endoscopy (ASGE). For more information about ASGE, visit www.asge.org. This information is intended only to provide general guidance. It does not provide definitive medical advice. It is important ...

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Contact Us

Testimonials

I am so fortunate to have been treated by a compassionate and highly skilled gastroenterologist from IVGA. The physicians are brilliant and they have very helpful support staff.

Patient from Camarillo

Our Location

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Hours of Operation

Our Regular Schedule

Ventura and Oxnard Office Hours

Monday:

8:00 am-5:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

8:00 am-5:00 pm

Thursday:

8:00 am-5:00 pm

Friday:

8:00 am-5:00 pm

Saturday:

Closed

Sunday:

Closed