Meet Our Physicians

Medical_Justice-resizedCapitol Gastroenterology Consultants Medical Group has been promoting digestive health in Northern California for over 25 years.

Capitol GI specializes in the diagnosis and treatment of  gastrointestinal disorders.

All our gastroenterologists are board-certified  by the ABIM and have expertise in diagnosing and treating digestive conditions.

Capitol GI has clinic locations and provides outpatient services in Carmichael, Roseville and Lincoln, CA.

 

  

         John Canio, MD

 

Dr. Canio received his medical degree from Howard University College of Medicine in Washington, D.C. and completed his Internship, Residency and Fellowship at the Department of Internal Medicine and Division of Gastroenterology at the University of California at Davis Medical Center.  He is Board Certified in both Internal Medicine and Gastroenterology.  Dr. Canio has been in practice since 1997 and has been with Capitol G.I. since 2002.  Dr. Canio sees patients in both our Carmichael and Roseville offices.

 

         William K.Y. Chen, MD

 

Dr. Chen received his medical degree from the College of Physicians and Surgeons of Columbia University in New York, New York and completed his Internship, Residency, and Fellowship at the University of California at Los Angeles.  He is Board Certified in both Internal Medicine and Gastroenterology.  Dr. Chen has been in practice since 1986 and, as a founding member, has been with Capitol G.I. since its inception in 1997.  Dr. Chen sees patients in both our Carmichael and Roseville offices.

 

         Theodor Feinstat, MD

 

Dr. Feinstat received his medical degree from the University of Cincinnati and completed his Internship and Residency at Good Samaritan Hospital in Portland, Oregon.  He completed his Fellowship at the Department of Internal Medicine and Division of Gastroenterology at the University of California at Davis Medical Center.  Dr. Feinstat is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 1980 and, as a founding member, has been with Capitol G.I. since its inception in 1997.  Dr. Feinstat sees patients in our Roseville office.

 

         Ronald K. Hsu, MD

 

Dr. Hsu received his medical degree from the University of Wales, College of Medicine, United Kingdom in 1985. He completed his Residency in Internal Medicine at the California Pacific Medical Center in San Francisco, California.  Dr. Hsu received his GI Fellowship and Therapeutic Endoscopy Training at the Prince of Wales Hospital, Chinese University of Hong Kong and University of California, Davis Medical Center.  He is Board Certified in both Internal Medicine and Gastroenterology.  Dr. Hsu has been in practice since 1989 and has been with Capitol G.I. since 2000. He has been an academic faculty member at the University of California, Davis School of Medicine since 1994 and appointed Clinical Professor of Medicine since 2007.  Dr. Hsu sees patients in our Roseville office.

 

         Anand Madan, MD

 

Dr. Madan received his medical degree from Punjabi University in Patiala, India and completed his Internship at Government Medical College in Patiala, India.  He completed his Residency at Mercy Hospitaland Medical Center in Chicago, Illinois, and his Fellowship at Southern Illinois University in Carbondale, Illinois.  Dr. Madan is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 2000 and has been with Capitol G.I. since 2010.  Dr. Madan sees patients in both our Carmichael and Roseville offices.

  

         Roy Matsuyama, MD

 

Dr. Matsuyama received his medical degree from the University of Hawaii School of Medicine in Honolulu, Hawaii and completed his Internship at the  University of Colorado in Denver, Colorado.  He completed his Residency at the University of California at Los Angeles and his Fellowship at Loma Linda Medical Center in Loma Linda, California.  Dr. Matsuyama is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 1987 and, as a founding member, has been with Capitol G.I. since its inception in 1997.  Dr. Matsuyama sees patients in our Roseville office.

 

        Rakesh Parikh, MD

 

Dr. Parikh received his medical degree from N.D.M.V.P. Samaj’s Medical College in Nashik, India and completed his Internship at Nashik Civil Hospital.  He completed his Residency at St. Joseph Mercy Oakland Hospital in Pontiac, Michigan and his Fellowship at Wayne State University in Detroit, Michigan.  Dr. Parikh is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 2006 and has been with Capitol G.I. since 2009.  Dr. Parikh sees patients in our Carmichael, Lincoln, and Roseville offices.

 

         Jasbir Rangi, MD

 

Dr. Rangi received his medical degree from Government Medical College in Amritsar, India, and completed his Internship, Residency, and Fellowship at Wayne State University in Detroit, Michigan.  He is Board Certified in both Internal Medicine and Gastroenterology.  Dr. Rangi has been in practice since 1997 and has been with Capitol G.I. since 2005.  Dr. Rangi sees patients in our Roseville office.

 

 

         Kuldip Sandhu, MD

 

Dr. Sandhu received his medical degree from Punjabi University in Patiala, India and completed his Internship and Residency at MLK-Drew Medical Center, Los Angeles, California.  He completed his Fellowship at the Los Angeles County-University of Southern California Medical Center.  Dr. Sandhu is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 1983 and, as a founding member, has been with Capitol G.I. since its inception in 1997.  Dr. Sandhu sees patients in our Carmichael office.

 

         Randell Vallero, MD

 

Dr. Vallero received his medical degree from the New York University School of Medicine and completed his Internship at Baylor College in Houston, Texas.  He completed his Residency at Temple University Hospital in Philadelphia, Pennsylvania and his Fellowship at the Department of Internal Medicine and Division of Gastroenterology at the University of California at Davis Medical Center. Dr. Vallero is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 2000 and has been with Capitol G.I since 2003.  Dr. Vallero sees patients in both our Lincoln and Roseville offices.

 

         Sidney Yassinger, MD

 

Dr. Yassinger received his medical degree from Northwestern University in Evanston, Illinois and completed his Internship also at Northwestern University.  He completed his Residency at the University of Oregon Medical School in Portland, Oregon and his Fellowship at the Department of Internal Medicine and Division of Gastroenterology at the University of California at Davis Medical Center.  Dr. Yassinger is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 1973 and, as a founding member, has been with Capitol G.I. since its inception in 1997.  Dr. Yassinger sees patients in our Carmichael office.

 

         Todd Zimmerman, MD

 

Dr. Zimmerman received his medical degree from Georgetown University School of Medicine in Washington, D.C.and completed his Internship and Residency at Upstate Medical Center in Syracuse, New York.  He completed his Fellowship at Yale University School of Medicine in New Haven, Connecticut.  Dr. Zimmerman is Board Certified in both Internal Medicine and Gastroenterology.  He has been in practice since 1978 and, as a founding member, has been with Capitol G.I. since its inception in 1997.  Dr. Zimmerman sees patients in our Carmichael office.