Founded in Livingston, Texas in 2005, West Park Primary Care (formerly known as IMNA) is dedicated to promoting the good health of our community. Our physicians and nurses treat a wide array of patients, from children and youths to adults and seniors, and are knowledgeable in an extensive range of diseases and maladies. As your primary care physicians, we strive to build a partnership with you that will foster your great health, for life.

Dr. Elias T. Kanaan


Dr. Elias T. Kanaan has been a fixture in Livingston medicine since 1998, specializing in adult patients 18 years of age and older. He founded IMNA (now known as West Park Primary Care)  in 2005 as a practice devoted to improving the health of his community- a goal which he works towards in his role as Health Officer for Polk County, an office he has held since 2005. Dr. Kanaan’s dedication to his patients has also enabled him to previously serve as Chief of Staff at Memorial Medical Center, as well as Chief of Medicine at both Memorial Medical Center and Cleveland Regional Hospital. As a primary care physician, Dr. Kanaan acts as the gatekeeper of his patients’ health and dedicates himself to their overall well-being. By taking the time to get to know everyone who visits his office, Dr. Kanaan is able treat the person as a whole and not simply the disease or concern that is affecting them. He is known in the community for the all-inclusive nature of his practice, and follows up with patients should they require a specialist referral, hospitalization or nursing home care. Dr. Kanaan is committed to this partnership for health that he builds with his patients, and to providing IMNA’s characteristic in-depth, detailed and holistic care for his community.

When he is away from the office, Dr. Kanaan enjoys fishing and spending time with his wife and their two sons, Leo and Andrew.


  • Medical School: St. Joseph’s University Faculty of Medicine, Lebanon, 1993.
  • Internship, Internal Medicine: Cooper Hospital-University Medical Center, New Jersey, 1994.
  • Residency, Internal Medicine: Cooper Hospital, New Jersey, 1996.
  • Fellowship, Nephrology: Rhode Island Hospital-Brown University, Rhode Island, 1998.
  • Primary Hospital Affiliation:  CHI St. Lukes, Livingston, TX


  • American Board of Internal Medicine
  • American Board of Obesity Medicine
  • Educational Commission for Foreign Medical Graduates, 1993.
  • Dr. Kanaan is a member of the Texas Medical Association and the Liberty-Chambers Medical Society.

Dr. Hung Bui

Dr. Hung Bui

Dr. Hung Bui has practiced family medicine in Livingston for over 15 years, and joined West Park Primary Care (IMNA) team in 2012. He strides to provide the absolute best medical care and counseling and works with the patient, to choose the appropriate course of action for that individual. Dr. Bui enjoys building close relationships with his patients and offers them the same medical advice and care that he would offer to his own family members. Dr. Bui strives to provide the most up to date treatments for his patients that is currently available, and is always current on today’s medical treatments.He is dedicated to the health of the whole family, and enjoys providing ongoing,personalized care for his patients from childhood well into adulthood and old age.

When he is away from the office, Dr. Bui enjoys hunting, fishing, and spending time with his wife and playing with their three children.


  • Medical School: Ross University School of Medicine, 2001.
  • Residency, Family Practice: San Jacinto Baylor Methodist Hospital, 2004.
  • Primary Hospital Affiliation: Woodland Heights Medical Center, Lufkin, TX


  • The American Board of Family Practice

Richard Cain, APRN, FNP-C

Dr. Hung Bui

Richard Cain is an Advanced Practice Registered Nurse and certified Family Nurse Practitioner. Richard is a strong believer in caring for the whole patient. Upon visiting,you’ll notice his attention to detail and commitment to improving the quality of life for his patients. Richard has been a primary care provider with IMNA (now West Park Primary Care) since 2016 and has worked closely with Dr. Kanaan in providing team based holistic care to the community. After graduating with a Bachelor of Science in Nursing from East Texas Baptist University in 2012, Richard obtained his Master of Science in Nursing from Samford University in 2016 and holds national certification as a Family Nurse Practitioner. Richard has special interests in Weight Loss, Diabetes, and Preventive Medicine. Richard currently is seeing new and established patients in the office and in the local nursing homes. Richard is a Livingston native and in his free time,enjoys spending time with his family, recreational sports, and serving in his church.Richard is married to his wife Anna, and together, have three children- Kate, Audrey, and Benjamin.

Education and Training

  • East Texas Baptist University-2012
  • Samford University -2016


  • AANPCE-Family Nurse Practitioner
  • Texas Board of Nursing-Advanced Practice Registered Nurse
  • Member of Texas Nurse Practitioner Association

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