Marvin H Greenbaum MD 501 Belmont Ave Bala Cynwyd, Pennsylvania, 19004 Company Name: MARVIN H. GREENBAUM, M.D. PC Doctor Category: Ophthalmology Profile Let this business know you found them on Main Line Today's Online Directories. Locations Bala Cynwyd 501 Belmont Ave Bala Cynwyd, Pennsylvania 19004 Claim/Edit Listing