Ruben Diaz, NP

Ruben Diaz is a diabetes nurse practitioner at Hospital for Special Surgery. His previous roles have been with NYU Langone Medical Center as assistant nurse manager and senior nurse clinician. At HSS, Ruben is involved in perioperative advanced clinical care for patients with diabetes, in addition to comprehensive education and counseling. His leadership role in professional development includes creating educational programs to provide up-to-date evidence-based training for hospital personnel caring for patients with diabetes. Investing in the future is also important to Ruben as he mentors nurse practitioner students from area colleges, provides education to newly hired employees, and maintains ongoing education and support to inpatient staff. He engages in systemwide policies and practices with interdisciplinary collaboration.

Maintenance of database and monitoring outcomes for quality improvement initiatives is also part of Ruben’s routine. He participates in continuity of care for transition from hospital to home or rehabilitation center for appropriate discharge diabetes management. Ruben is interested in engaging with interdisciplinary staff for hospital-based projects to improve outcomes and establish guidelines that may be of value and benefit to the organization and diabetes population undergoing orthopedic surgery. He is interested in continuing education with staff and being a resource for all providers with the goal of providing comprehensive care, education, and support for patients with diabetes who choose HSS for orthopedic care.

Ruben volunteers for the American Diabetes Association as a community lecturer. He attends The Nurse Practitioner Association New York State meetings for outside support and continued education. He maintains memberships with endocrinology organizations that provide diabetes support and education for providers and populations such as the American Association of Clinical Endocrinologists, American Association of Diabetes Educators, and American Diabetes Association. He also maintains membership with the International Honor Society of Nursing Sigma Theta Tau, Alpha Phi Chapter.

Ruben attended Long Island University for his BSN. He completed his family nurse practitioner (FNP-BC) studies at Long Island University in Brooklyn and adult-gerontology nurse practitioner (AGNP-BC) studies at Hunter College, New York, with board certifications in both from ANCC. Additional national certifications include Board Certified-Advanced Diabetes Management credential (BC-ADM), Certified Diabetes Educator (CDE), and cardiovascular nursing (CV).

Ruben enjoys lifelong learning, such as attending conferences, seminars, and workshops both medical and leisurely, fitness activities at the local gym, and baking semiprofessionally. He enjoys visiting other states and countries to learn about local culture and foods. He finds that diabetes is global and transcends cultures. 


Post-Master’s Certificate, Nursing, Long Island University, New York, 2015

Master of Science, Nursing, Hunter College, New York, 2013

Bachelor of Science, Nursing, Long Island University, New York, 2008


National Certified Board of Diabetes Educators – Advanced Diabetes Management, 2016

American Nurses Credentialing Center – Family Nurse Practitioner, 2015

American Nurses Credentialing Center – Adult-Gerontology Nurse Practitioner, 2013

National Certified Board of Diabetes Educators – Certified Diabetes Educator, 2013

American Nurses Credentialing Center – Cardiovascular Nursing, 2011

State Licensure

New York and Illinois 

Practice Area: Diabetes Care

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