Dr. John C. Koumas, Family Medicine

Private Practice

24401 Muirlands Bld,  Suite A
Lake Forest, CA 92630
phone: 949-770-1950
fax: 949-770-8599


  • Internship
    Rio Hondo Hospital
  • Medical School
    College of Osteopathic Medicine of the Pacific

  • John C Koumas DO
    • Appointments:
    • Specialty: Family Medicine
    • Board Certified: Family Practice
    • On Staff at: CHOC Children's at Mission Hospital