PATIENT/MEDICAL RECORDS PORTAL- PATIENT FORMS. Gastroenterology Doctors, Gastroenterologist, Digestive Diseases Treatment - Oakhurst, Manalapan, Marlboro | Monmouth Gastroenterology - Call us 732-389-5004. Main Office 1912 State Route 35 South Oakhurst, NJ 07755. HOME; ABOUT US; CONDITIONS; PROCEDURES. COLONOSCOPY; COLON CANCER ….