Dr. Samuel Oommen, MD is a health care provider primarily located in Walnut Creek, CA, with other offices in WALNUT CREEK, CA and Brentwood, CA (and 2 other locations). He has 50 years of experience. His specialties include Colorectal Surgery, Surgery. Dr. Oommen is affiliated with John Muir Medical Center Concord. He speaks Spanish, Tagalog and English.