Meet the Team

David T. Ahn, MD

• Endocrinologist
• Dr. Kris V. Iyer Endowed Chair in Diabetes Care
• Program Director at the Mary and Dick Allen Diabetes Center

Tanzila S. Razzaki, MD

• Endocrinologist/ Weight Management

Cristi Bristol, BSN, RN, CDCES

• Certified Diabetes Care and Education Specialist
• Registered Nurse

Michelle Connell, RN, CDCES

• Certified Diabetes Care and Education Specialist

Karen Engelman

• Manager of Operations

Meghan Gonzalez, RD, CDCES

• Certified Diabetes Care and Education Specialist
• Registered Dietitian

Ruth Hwang, PA-C

• Physician Assistant

Kris V. Iyer, M.D., F.A.C.P., F.A.C.E

• Senior Vice President & Chief Physician Development Officer

Veronica Merino, LVN

• Licensed Vocational Nurse

Christine Miller

• Front Office Supervisor

David Pham, PharmD, BCPS, DCES, BC-ADM

• Pharmacist
• Diabetes Care and Education Specialist

Michelle Speetzen, BSN, RN

• Inpatient Diabetes Educator RN

Elizabeth Vitale, RD, CDCES

• Certified Diabetes Care and Education Specialist
• Registered Dietitian
• Training in Adult Weight Management

Valerie Wolf, BSN, RN, RD, CDCES

• Research Coordinator
• Certified Diabetes Care and Education Specialist
• Registered Nurse

Amanda Tran, PharmD, BCACP, APh, CDCES

• Ambulatory Care Pharmacist
• Certified Diabetes Educator