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Diabetes and Endocrinology Center

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(813) 396-2580

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Diabetes and Endocrinology Providers

Pediatric Endocrinology 

Adult Endocrinology

Nutrition and Education 

Social Work 

  • John Rutledge John Rutledge, MSW, RCSWI

    Clinical Social Worker


Research 

  • Image Placeholder Ponja Hemphill, RN

    Clinical Research Nurse


  • Juanita O'Brian, NRCMA Juanita O'Brian, NRCMA

    Clinical Research Nurse


Diabetes and Endocrinology Staff

Christina Britton-Railey, BSN, RN
Triage Nurse
usfdiabetescenter@usf.edu

Alexandra P. Cruz-Serrano
Research Support Specialist
usfdiabetesresearchc@usf.edu

Alexandra Perez
Referral Specialist

Cristina Dethloff, MPH, RDN, LD, CDCES
Dietitian, Certified Diabetes Care and Education Specialist, Insulin Pump and CGM Specialist
usfdiabetescenter@usf.edu

Elizabeth Doble, CMA, CPT
Research Assistant, Insulin Pump and CGM Program
usfdiabetesresearchc@usf.edu

Denise Evenson
Front Desk Insurance Specialist

Sherica Franklin, CMA
Medical Assistant

Adam Frapwell, LPN
Medical Assistant

MJ Grove, RN, CDCES
Certified Diabetes Care and Education Specialist, Insulin Pump and CGM Specialist
usfdiabetescenter@usf.edu

Daniel Higinbotham, BS
Diabetes and Endocrinology Technology and Data Analyst
usfdiabetescenter@usf.edu

Sabrina Hoilett-Farrier, CMA
Medical Assistant

Ferne Ingram
RCO Phone Operator and Scheduler

Patricia Laskowski
Administrative Specialist 

Latonya Twiggs, CMA
Medical Assistant