Marcus Davidson is a south Louisiana native, he received a B.S. in Biology from the University of Louisiana at Lafayette in 2010.  Afterwards, he spent three years as EMT-Basic working for an ambulance service, during which he moved to Irving with his wife, Heather.  After obtaining his Master’s Degree in Physician Assistant Studies from UT Southwestern Medical Center, Marcus joined Coppell Associates in Family Medicine in February of 2017. 

Marcus Davidson P.A.
Nina Cahan, M.D.

Nina Cahan, MD founded Coppell Associates in Family Medicine, PA 

in 1989 and operated out of the same location for 14 years until moving to he​r present location at 848 S. Denton Tap Road, Suite 100, Coppell, TX 75019.
Nina Cahan, MD has built a practice that is more personal, that can treat the entire family unit as it grows, and that treats each patient as an individual with health care needs that vary over time.
Originally born in New York, Dr. Cahan received her B.S. in
Biochemistry from the Massachusetts Institute of Technology (MIT) and her M.D. from Dartmouth Medical School.  She completed her residency for Family Medicine in New York. Her specialty is FAMILY MEDICINE and she is certified by the American Board of Family Medicine.  Dr. Cahan, her husband Paul, and their son Matthew reside in Coppell.