(a) The availability of primary care physicians, who will be responsible for coordinating the provision of health care services to each enrollee;

(b) The encouragement of each enrollee to select a primary physician;

(c) The maintenance and ready availability of medical records, with sharing within the plan of all pertinent information relating to the health care of each enrollee;

(d) The maintenance of staff, including health professionals, administrative and other supporting staff, directly or through an adequate referral system, sufficient to assure that health care services will be provided on a timely and appropriate basis to enrollees;

(e) An adequate system of documentation of referrals to physicians or other health professionals. The monitoring of the follow up of enrollees' health care documentation shall be the responsibility of the health care service plan and associated health professionals.