CALL AND MAKE YOUR APPOINTMENT TODAY: (407) 299-9717 About Dr. Mark – Orlando’s Chiropractor Dr. Mark A. Kosinsky, D.C. (Doctor of Chiropractic) Dr. Mark Kosinsky, known to most as just “Dr. Mark”, grew up in the small town of Roblin, Manitoba, Canada (pop. 1800). When asked what that was like, he will tell you that this was “Norman Rockwell meets the Arctic”.