Medical school: PERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated: 2000
NPI: 1932186772
Practice Locations (2)
ADULT AND PEDIATRIC DERMATOLOGY PC
133 LITTLETON RD, SUITE 205
WESTFORD, MA 018863198
9783717010
ROBERT J OBRIEN JR MD AND ASSOC PC
955 MAIN ST, SUITE G6
WINCHESTER, MA 018901992
7817294878
Source: CMS National Downloadable File, September 2026.