Patient Portal. Refill or Renew Prescriptions, Request Referrals, Access Personal Health Record. Our Location. 30061 Schoenherr, Suite A Warren, Michigan 48088 586-558-2111. Parent Education. Access our list of online resources on topics related to parenting and child health.Peter J. Francis, MD‧Brian T. Engel, MD‧Laura C. Clark, MD‧Ganga D. Nadarajah, MD‧Jeannette Marchand-Mateyak, MD‧Christina F. Leo, DO.