Dr. Ellen Elizabeth Piernot, MD is a health care provider primarily located in Merced, CA, with other offices in Yuma, AZ and Hayward, CA (and 2 other locations). She has 20 years of experience. Her specialties include Family Medicine, Public Health & General Preventive Medicine. Dr. Piernot is affiliated with Doctors Medical Center Modesto. She speaks English, Tagalog, Chinese, Vietnamese, Korean and Spanish.