Medical school: DUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated: 1989
NPI: 1225063274
Practice Locations (2)
MARK FLECKNER M.D., P.C.
6134 188TH ST, SUITE 218
FRESH MEADOWS, NY 113652726
7184547700
MARK FLECKNER M.D., P.C.
520 FRANKLIN AVE, SUITE 123
GARDEN CITY, NY 115305814
5167395905
Source: CMS National Downloadable File, September 2026.