|  Devasena Balasubramaniam, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 40 Second Ave, Mass General West, Waltham, MA 02451 Phone: 781-487-4350 | 
|  Erik R Vandendries, M.D. Internal Medicine - Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 200 West St, Waltham, MA 02451 Phone: 781-434-4463 | 
|  Mawya Shocair, M.D. Internal Medicine - Nephrology Medicare: Accepting Medicare Assignments Practice Location: 6 Lexington St, 2nd Floor, Waltham, MA 02452 Phone: 781-899-5555 | 
|  Dr. Edward James Busick Jr., M.D. Internal Medicine Medicare: Medicare Enrolled Practice Location: 20 Hope Avenue, Suite 211, Waltham, MA 02453 Phone: 781-647-0855 Fax: 781-647-9142 | 
|  Ahmed Mohiuddin, M.D. Internal Medicine - Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 411 Waverley Oaks Rd, Suite 333, Waltham, MA 02452 Phone: 781-894-8858 Fax: 781-894-8856 | 
|  Dr. Christina Gelev, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 40 Second Ave, Suite 400 Mass General Medical Group, Waltham, MA 02451 Phone: 781-487-4350 Fax: 781-487-4351 | 
|  Thomas A Fry, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 40 2nd Ave, Suite 400, Waltham, MA 02451 Phone: 781-487-4350 Fax: 781-487-4351 | 
|  Rebecca F Connor, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 95 Sawyer Rd, Uptodate, Inc, Waltham, MA 02453 Phone: 781-392-2957 Fax: 781-642-8867 | 
|  Dr. Chuanyun Gao, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 355 Waverley Oaks Rd, Suite 100, Waltham, MA 02452 Phone: 781-314-7600 | 
|  Denise S Basow, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 95 Sawyer Rd, Waltham, MA 02453 Phone: 781-392-2029 | 
|  Dr. Mark Jeffrey Shankman, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 9 Hope Ave, Waltham, MA 02453 Phone: 617-243-5590 | 
|  Monica Manandhar, MD Internal Medicine - Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 52 Second Ave Ste 400, Waltham, MA 02451 Phone: 781-487-4350 | 
|  Dr. Steven Keith Burke, M.D. Internal Medicine - Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 153 2nd Ave, Genzyme, Waltham, MA 02451 Phone: 781-434-3439 Fax: 617-768-9874 | 
|  Barry A Ehrlich, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 9 Hope Avenue, Waltham Urgent Care Center, Waltham, MA 02453 Phone: 617-243-5590 Fax: 617-243-5981 | 
|  Dr. Steven R Kanner, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 210 Bear Hill Rd, Suite 304, Waltham, MA 02451 Phone: 781-684-0600 Fax: 781-684-0601 | 
|  Robert Marc Schainfeld, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 52 Second Ave, Ste 2100, Waltham, MA 02451 Phone: 781-487-2840 Fax: 781-487-2801 | 
|  Vanessa I Vidal, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 20 Hope Ave, Suite G10, Waltham, MA 02453 Phone: 781-647-6920 Fax: 781-891-0056 | 
|  Linda H Pololi, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: Brandeis University-ms.088, Waltham, MA 02454 Phone: 781-736-8135 | 
|  Bard J Geesaman, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 55 Black Bear Dr, Apartment # 1423, Waltham, MA 02451 Phone: 617-529-7111 | 
|  Dr. Daniel P. Gaposchkin, M.D/PH.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 40 Second Ave, Suite #400, Waltham, MA 02154 Phone: 781-487-4350 |