Alex Gandsas, M.D. Division Head Bariatric Surgery / MIS Phone (410) 601-4486 Fax (410) 601-9014     Christina Li, M.D. Phone (410) 601-4486 Fax (410) 601-9014 Lois Hagstrom Practice Manager Phone (410) 601-5547 Fax (410) 601-5835 Eileen Shellenberger Administrator Assistance Phone (410) 601-4486 Fax (410) 601-9014 Nancy Lum, RD, LD Food and Nutrition Services Renda Reed Financial Coordinator Phone: 410-601-9016 Fax: 410-601-6018