Patient Portal We are still in the process of setting up our patient portal. Digestive Care Specialists Holy Cross Germantown Medical Office Building 19851 Observation Dr., #245 Germantown, MD 20876 Frederick Location 165 Thomas Johnson Dr. Suite B Frederick, MD 21702 Phone: 301-288-1319 Send an email » Recent Articles Avoid These Three Foods to Prevent Summer Weight Gain Eating More Whole Foods May Be the Key to Weight Loss Making Sense of Irritable Bowel Syndrome (IBS) 5 Ways to Eat Healthy Without Dieting Diet Tips to Lower Your Risk of Colon Cancer