Department of Medicine
Endocrinology
Our Team
Division Chief
Merri L. Pendergrass, MD, PhD
Clinical Chief, Division of Endocrinology, Diabetes and Metabolism
Professor, Medicine - (Clinical Scholar Track)
Clinical Professor, Pharmacy Practice-Science
Director, Adult Diabetes Program
Faculty
Ramiro Esteban Cardenas Lara, MD
Assistant Clinical Professor, Medicine - (Clinical Series Track)
Dawn K. Coletta, PhD
Associate Professor, Medicine
Associate Professor, Physiological Sciences - GIDP
Director, Life Cycle Block
Janet L. Funk, MD, MS
Professor of Medicine, College of Medicine – Tucson
Vice Chair for Research, Department of Medicine, College of Medicine – Tucson
Professor of Nutritional Sciences & Wellness, College of Agriculture, Life & Environmental Sciences
Clinical Instructor, Pharmacy Practice-Science, R. Ken Coit College of Pharmacy
Member, BIO5 Institute
Member, University of Arizona Comprehensive Cancer Center
Stephanie Marie Giffin, DO
Assistant Clinical Professor, Medicine - (Clinical Series Track)
Paul R. Langlais, PhD
Associate Professor, Medicine
Director, Proteomics Lab, Department of Medicine, Endocrinology Division
Member, UAHS Center for Disparities in Diabetes, Obesity and Metabolism
Lawrence J. Mandarino, PhD
Professor, Medicine
Director, UAHS Center for Disparities in Diabetes, Obesity and Metabolism
Ariel Negron, PhD
Assistant Research Professor (Career Track)
Director, Mouse Metabolic Phenotyping Core
Merri L. Pendergrass, MD, PhD
Clinical Chief, Division of Endocrinology, Diabetes and Metabolism
Professor, Medicine - (Clinical Scholar Track)
Clinical Professor, Pharmacy Practice-Science
Director, Adult Diabetes Program
![[Sara A. Penquite, MD]](/sites/default/files/styles/az_card_image/public/2025-10/Penquite_Sara-MD_ENDO-4_202200538_5x7.jpg.webp?itok=5VV-phwJ)
Sara A. Penquite, MD
Associate Program Director, Endocrinology Fellowship
Assistant Clinical Professor, Medicine
Casey Rendon, MD
Associate Program Director, Endocrinology Fellowship
Assistant Clinical Professor, Medicine
![[Jennifer H. Stern, PhD]](/sites/default/files/styles/az_card_image/public/2025-07/Stern_Jennifer-PhD_2025_Endo-25_0781_Headshot-002.jpg.webp?itok=bjjVBY3T)
Jennifer H. Stern, PhD
Assistant Professor, Medicine
Assistant Professor, Physiology
Assistant Professor, Cellular and Molecular Medicine
Assistant Professor, BIO5 Institute
Assistant Professor, Nutritional Sciences and Wellness
Sarah Tariq, MD
Program Director, Endocrinology Fellowship
Assistant Clinical Professor, Medicine
Research Staff
Dawn K. Coletta, PhD
Associate Professor, Medicine
Associate Professor, Physiological Sciences - GIDP
Director, Life Cycle Block
Janet L. Funk, MD, MS
Professor of Medicine, College of Medicine – Tucson
Vice Chair for Research, Department of Medicine, College of Medicine – Tucson
Professor of Nutritional Sciences & Wellness, College of Agriculture, Life & Environmental Sciences
Clinical Instructor, Pharmacy Practice-Science, R. Ken Coit College of Pharmacy
Member, BIO5 Institute
Member, University of Arizona Comprehensive Cancer Center
Paul R. Langlais, PhD
Associate Professor, Medicine
Director, Proteomics Lab, Department of Medicine, Endocrinology Division
Member, UAHS Center for Disparities in Diabetes, Obesity and Metabolism
Lawrence J. Mandarino, PhD
Professor, Medicine
Director, UAHS Center for Disparities in Diabetes, Obesity and Metabolism
Jennifer H. Stern, PhD
Assistant Professor, Medicine
Assistant Professor, Physiology
Assistant Professor, Cellular and Molecular Medicine
Assistant Professor, BIO5 Institute
Assistant Professor, Nutritional Sciences and Wellness
Staff
Regina L. Chandler
Program Coordinator, Endocrinology, Diabetes and Metabolism Fellowship
Administrative Associate
Scott Hall
Clinical Associate Director, Cardiology, Endocrinology and Nephrology divisions, Department of Medicine
Health Care Partner
Charles Patrick Palm, MPH, PCC
Senior Outreach Program Manager, Endocrinology & Diabetes Clinic, Banner - University Medical Center North Campus