Friedman Diabetes Institute Staff

FDI Staff
Our staff of highly trained professionals is dedicated to serving the public.

Leonid Poretsky, MD
Director, Gerald J. Friedman Diabetes Institute

Gerald Bernstein, MD
Director, Diabetes Management Program

Agustin Busta, MD
Staff Endocrinologist

Alina Gouller, MD
Staff Endocrinologist

Jerome V. Tolbert, MD, PhD
Medical Director, Outreach Team

Gabrielle P. Grinstein, MD
Pediatric Endocrinologist

Marina Krymskaya, NP, CDE
Assistant Director, Diabetes
Management Program

Rosalia Doyle, RD, MS, CDN, CDE
Nutritionist, Exercise Counselor

Jenny De Jesus, RN, CDE
Diabetes Educator

Artee A. Srivastava, MSc, FNP, CDE
Nurse Practitioner

Monique Welbeck, ANP/WHNP, MS, RNC, BSN
Director, Five Borough Outreach Program

William Craig, RD
Nutritionist, Outreach Team

Randi Levine, M, RD, CDN, CDE
Nutritionist, Outreach Team

Anto Ayinikal R.N,C.C.T.N.
Nurse Educator,ADEPT
South Asian Community Program

Jennifer Regester, RD
Nutritionist

Natalie Morrow, CLSW-R
Case Manager

Pamela Flores
Practice/Business Manager

Kamala R. Mantha
Research Coordinator

Sandra Miranda
Senior Billing Coordinator

Karina Ziskovich
Administrative Assistant

Sandy Farrell
Administrative Assistant