Michele Columbo, MD Top Doctor 830 Old Lancaster Rd Ste 301 Bryn Mawr, Pennsylvania, 19010 Company Name: Rohr and Columbo Asthma Doctor Category: Allergy and Asthma Profile Let this business know you found them on Main Line Today's Online Directories. Locations Bryn Mawr 830 Old Lancaster Rd Ste 301 Bryn Mawr, Pennsylvania 19010 Claim/Edit Listing