|  Katherine Ann Maher, M.D. Internal Medicine - Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 161 Thomas Johnson Dr Ste 250, Frederick, MD 21702 Phone: 301-942-7600 Fax: 301-694-0187 | 
|  Dr. Louisa Ziglar, MD Internal Medicine - Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 71 Thomas Johnson Dr, Frederick, MD 21702 Phone: 301-942-7600 Fax: 301-942-3521 | 
|  Alyssa Michelle Bosso, MD Internal Medicine - Rheumatology Medicare: Medicare Enrolled Practice Location: 161 Thomas Johnson Dr Ste 250, Frederick, MD 21702 Phone: 301-942-7600 Fax: 301-694-0187 |