Contact Us

The office hours of the American Diabetes Association's New York City office are:

  • Monday – Friday: 8:30 a.m. to 5:00 p.m.
  • Saturday & Sunday: Closed

To reach staff members by phone, please call 212-725-4925. Wait for the prompt and then enter the appropriate extension from the listings below. You are also welcome to email staff with any questions or comments you may have.


James Sheridan
Region Vice President, Tri-State
ext. 3421

Helene Velazquez
Director, Community Health Strategies
ext. 3408

Daphney Leveille-Quiñones
Manager, Community Health Strategies
ext. 3438

Doris Del Valle
Project Manager/Event Production
ext. 3420

Stacy Dieter
Corporate Development Officer
ext. 3401