Our Team

At Columbia University Medical Center

Margaret Chen, MD
Phone: 212.305.9676
Fax: 212.305.1522

Bret Taback, MD
Phone: 212.305.9676
Fax: 212.305.1522

Lisa Wiechmann, MD
Phone: 212.305.9676
Fax: 212.305.1522

At NYP/Lawrence Hospital

Michelle Azu, MD
Phone: 914.787.3100
Fax: 914.787.3110