Dr. Kathryn A. Ross

Dr. Kathryn A. Ross


Our office staff

Dr. Ross graduated Summa Cum Laude from Barry University, Miami, Florida and then with honors from the University of Miami Medical School. Her internship in Critical Care Medicine and her Internal Medicine residency were both done at University of California Davis. She then completed fellowships in Gastroenterology/Hepatology and Clinical Nutrition, also at UC Davis. Dr. Ross worked as an emergency physician and as an associate professor at UC Davis for several years. She practiced gastroenterology and served as Director of Endoscopy at Kaiser Permanente in Sacramento before moving to Newport Beach to open her own private practice in 1987. She has been on staff at Hoag Presbyterian Hospital since that time and served as Hoag’s Chairman of Gastroenterology division from 1995-1997.

Dr. Ross is a Fellow with the American College of Gastroenterology and a member of the American Society of Gastrointestinal Endoscopy. She is past president of Women in Medicine, Orange County and is a founding member and on the Board of Directors of the Newport Beach Orange Coast Endoscopy Center. Other memberships include OCMA, CMA and American Gastroenterology Association and IAPAM (International Association for Physicians in Aesthetic Medicine).

Over the years Dr. Ross has enjoyed working with her patients to achieve better health through diet, exercise and proper medications as well as appropriate medical tests and screening.

Dr. Ross has two grown daughters and two grandsons. She resides in Orange County with her family, two horses, a dog and a cat. Outside interests include family activities, horseback riding, reading, yoga, hiking, travel, gardening and cooking.

901 Dover Drive, Suite 122
Newport Beach, CA 92660
P: (949) 650-8700
F: (949) 650-0877

Barry University: Summa Cum Laude
Miami Shores, FL: BS 1974

University of Miami School of Medicine, 09/1975-06/1979 Miami, FL: MD received 06/1979

Post Graduate:
Internal Medicine
Internship and Residency, 06/1979-06/1982
University of California, Davis
Sacramento, CA

Gastroenterology and Liver Disease
University of California, Davis, 01/1983-12/1984
Sacramento, CA

Clinical Nutrition
University of California, Davis, 07/1983-06/1984
Sacramento, CA

Board Certifications:
American Board of Internal Medicine: 09/1985
American Board of Gastroenterology: 11/1989

Faculty Appointments:
UC Davis Department of Internal Medicine: 06/1982-06/1987 Division of Gastroenterology, Clinical Assistant Professor

Certification and Licensure:
State of California: G42979, Expires 09/2011
US Federal DEA: Expires 04/2013

Jan 2005- present
A multicenter, randomized, double blind, placebo controlled trial to evaluate the use of mesalamine pellet formulation 1.5g QD to maintain remission from mild to moderate Ulcerative Colitis (sub investigator).

Aug 2000- July 2001
Comparative efficacy study of Esomeprazole (40mg qd) and Lansoprazole (30mg qd) in patients with erosive esophagitis (sub investigator).

Aug 1999- Jan 2005
Placebo controlled study of subcutaneously administered Recombinant Human Interleukin II in patients with active Crohns Disease not treated with prednisone (sub investigator).

Jan 1999-June 1999
Effects and safety of investigational drug in patients with Symptomatic Gastroesophogeal Reflux Disease (principal investigator).

Jan 1999-June 1999
Comparative efficacy and safety stud of investigational drup and Omeprazole in patients with erosive esophagitis (principal investigator).

Apr 1998-Aug 1998
Effects of investigational drug in females with gastroesophageal reflux disease

Mar 1998-Aug 1998
Eradication of H. Pylori in subjects with active duodenal ulcer or history of duodenal ulcer disease (sub investigator).

Jan 1998-June 1998
Efficacy in causing polyp regression and safety of investigational drug in patients with sporadic adenomatomous polyps of the colon (sub investigator).

Jan 1998-Mar 1998
Effects of investigational drug in subjects with erosive esophagitis (sub investigator).

Sep 1997-Dec 1997
Effects of investigational drug in subjects with non-ulcer dyspepsia (principal investigator).

Jan 1997-June 1997
Endoscopic findings in patients with heartburn (principal investigator).

May 1997-Sep 1997
Eradication of H. Pylori in subjects with a duodenal ulcer (principal investigator).

Nov 1996-Feb 1997
Eradication of H. Pylori in subjects with a duodenal ulcer (sub investigator).

  1. Halstead, CH; Chandler, C; Ross, KA; Wolfe, B; Bailey, C. Clinical Studies of Intestinal Folate Conjugases. J Lab Clinical Med., 707; 228-232, 1986
  2. Trudeau, W; Siepler, JR; Ross, KA; Cornish, D; Prindiville, T Endoscopic Neodynium: Yag Laser of Bleeding Ulcers with Visible Vessels. Gastrointestinal Endoscopy 31; 2; 138. April 1985
  3. Ross, KA; Prindiville, T; Trudeau W Recurrent Gastrointestinal Bleeding in Patients with Vascular Lesion in Gastrointestinal Tract Treated with Sclerotherapy. Gastrointestinal Endoscopy, 31, 2; 138-139. April 1985
  4. Halsted, CH; Beer, W; Chandler, C; Ross, KA; Bailey, C Studies of Intestinal Folate Conjugases. Clinical Research, February 1985
  5. Ross, KA; Chandler, C; Halstead, CH Reversible Disaccardidase Deficiency in Systemic Lupus Erythematosis Gastroenterology 86; 1223; May 1984
  6. Nano, D; Rauly, MP; Ross, KA; Chow, H; Prindiville, T; Trudeau, W Colonoscopic Treatment of Acute Pseudo-Obstruction of the Colon American Journal of Gastroenterology 82; 145-148; 1987