Medcore It's that time of year! the Annual Enrollment Period is upon us. (Annual Enrollment Period 10/15/2018 to 12/07/2018) Medcore Medical Group, servicing San Joaquin County for 30 plus years and still going strong Omni IPA/Medcore is pleased to announce participation with the following Medicare Advantage Plans: Central Health Plan Humana Vitality Health Plan of California For more information attend one of our meetings Monday, Wednesday, Friday, 10:00 am to 11:00 am held at 2609 E. Hammer Lane, Ste. 103, Stockton or contact us at (209) 320-2650