Dr. Marsha K Howerton-Engles has 4 locations. Howerton-Engles Marsha K Office 1919 S Wheeling Ave Ste 300 Tulsa, OK 74104. (918) 794-0701. ACCEPTING NEW PATIENTS. South Tulsa Oga 8803 S 101st East Ave Ste 205 Tulsa, OK 74133. (918) 858-0008..