The Family Medicine Offices of the Rowan University School of Osteopathic Medicine. Hammonton 609-704-0185. Mt. Laurel 856-380-2400. Stratford 856-566-7020. Washington Twp 856-218-0300. ... Patient Portal > Rowan Family Medicine at . Hammonton. Mt. Laurel. Stratford. Washington Township. Contact Us: We are a Residency Teaching Practice.