Medical school: STATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated: 2003
NPI: 1548452352
Practice Locations (2)
DR GREGORY SHIFRIN OB/GYN PC
1766 E 12 ST
BROOKLYN, NY 112291014
7187430505
2882 W 15TH ST
BROOKLYN, NY 112242770
7187696868
Source: CMS National Downloadable File, September 2026.