Horizon Healthcare Associates, S.C. mission is to provide quality, professional physician services in primary care, endocrinology and nephrology to the South Suburban Chicago community. Horizon is physician owned, with practice locations in Flossmoor and Calumet City.Horizon providers include:

  • Family Practice – Dwayne Buchanan, M.D.; Bruce Parisi, M.D.; Amit Patel, M.D.; Tina Murphy, APN
  • Internal Medicine – Karen Whitehorn, M.D.
  • Nephrology – Kenneth Cline, M.D.; Michael Peck, M.D.; Lourdes Terrado, M.D.; Jamie Baylock, M.D.; Daniel Yohay, M.D.; Agnes Harmon, ACNS-BC, CNN.
  • Endocrinology – Ilene Yohay, M.D.

Horizon offers Patients 24 hour Access to Services by calling 708-957-8750.

Horizon physicians are dedicated to our patients and are accessible 24 hours a day, 7 days a week. Please call the office at 708-957-8750. Horizon staff or the answering service can assist you and will contact a physician as needed to address your request.

In case of an emergency, please call 911 or visit your nearest emergency room.