Doctors in Flatiron District, Chelsea District, Manhattan, NewHome / Doctors in Flatiron District, Chelsea District, Manhattan, New Near Me In: Flatiron (City) Dr. Kristen M. Marks, MDDr. Kristen M. Marks, MD is a Doctor in New York City, New York in good standing. Please leave a review of Dr. Kristen M. Marks, MD if you have been a patient of Dr. Kristen M. Marks, MD. Dr.Type: PhysicianPhone: (212) 746-7200Leave a Google Review No Reviews View all