Mack, Richard B Do 865 Mountain Ave Mountainside, NJ 07092 Phone : (908) 789-9339 Business Category Physicians & Surgeons-Osteopathic Physicians & Surgeons-M.D. Physicians & Surgeons-Family Practice Mountainside Medical 1838 E 2nd St Scotch Plains, NJ 07076 Phone : (908) 789-9339 Business Category Physicians & Surgeons-Osteopathic Physicians & Surgeons-M.D. Physicians & Surgeons-Family Practice