Our Team

Reproductive Endocrinologists

Long Island

• Eric Flisser, MD
• Jane Ruman, MD

Manhattan

• Alan B. Copperman, MD
• Lawrence Grunfeld, MD
• Tanmoy Mukherjee, MD
• Benjamin Sandler, MD

Westchester

• Jeffrey Klein, MD

Urologist

• Natan Bar Chama, MD

Complementary Care

• Georgia Witkin, PhD
• Lisa Schuman, LCSW

Embryology Team and the IVF Laboratory

• Lab Director - Marlena Duke, MSc, ELD
• Scientific Director - Jason Barritt, PhD, ELD, HCLD