Meet The Team

About Tri-Rivers Healthcare

Primary Care, General Surgery, Behavioral Health, and Substance Abuse Treatment in Salem, Smithland, and Marion, KY

Tri-Rivers Healthcare brings quality healthcare to the communities of Livingston and Crittenden Counties and beyond through three Independent Rural Health Clinics, Crittenden Community Hospital Annex, Salem Spring Lake Nursing Home and Crittenden County Convalescent Center. Tri-Rivers Healthcare is owned and medically directed by Dr. William Barnes and Dr. Ghassan Yazigi. The providers and staff take pride in bringing compassionate patient centered care to the communities served near and far.


Our providers specialize in a variety of services to treat the whole person’s health needs, including acute care and disease prevention through end of life. Our services encompass both physical and mental health in partnership with the patient and their loved ones. In addition to integrated primary care, we also serve patients with general surgery needs, behavioral health needs, substance use disorder through our Medication Assisted Treatment (MAT) program, and Hepatitis C Diagnosis and Treatment. 

Our Providers

William Barnes, M.D., FACS, MBA 

General Surgery and General Practice

Fellow American College of Surgeons

Board Certified General Surgery – American Board of Surgery

Demetrius Patton, M.D., FACS

General Surgery

Board Certified General Surgery – American Board of Surgery

Ghassan Yazigi, M.D.

Internal Medicine

Board Certified Internal Medicine – American Board of Internal Medicine

Michael Gavin, M.D.

General Practice

Member – American Academy of Family Physicians

Board Certified – American Board of Surgery

Clinical Staff

Kara Phillips, APRN

Family Practice

Substance Abuse Treatment

Diagnosis and Treatment of Hepatitis C

Board Certified Family Practice – American Academy of Nurse Practitioners

Terry Boone, PA-C

Primary Care

Board Certification – National Commission on Certification of Physician Assistants

Justin Lewis, PA-C

Primary Care

Board Certification – National Commission on Certification of Physician Assistants

Jessica Harris, APRN

Family Practice

Board Certified Family Practice – American Academy of Nurse Practitioners

Christine Huckabee, APRN

Family Practice

Board Certified Family Practice – American Academy of Nurse Practitioners

Robert Wilkinson, APRN

Family Practice

Geriatrics

Substance Abuse Treatment

Board Certified Gerontological Nurse Practitioner – American Nurses Credentialing Center

Danielle Guminski, APRN, PMHNP

Behavioral Health

Board Certified Behavioral Health – American Nursing Credentialing Center

Lee Keller, APRN, PMHNP

Behavioral Health

Board Certified Behavioral Health – American Nurses Credentialing Center

Board Certified Family Practice – American Academy of Nurse Practitioners

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