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Photo of Andrew Welch, DO

Andrew Welch, DO

Assistant Professor of Clinical

Internal Medicine | College of Medicine

  • DO: Arizona College of Osteopathic Medicine
  • BS: Brigham Young University (Neuroscience)
Board Certifications & Licenses

American Board of Internal Medicine (Certification Date: 2020-08-20)
American Board of Internal Medicine (Endocrinology-Diabetes and Metabolism) (Certification Date: 2023-10-24)




Endocrinology-Diabetes and Metabolism
Internal Medicine

Contact Information

Clinical Interests


Diabetes Mellitus

Diabetes Type 1 (Diabetes Mellitus, Type 1)

Diabetes Type 2 (Diabetes Mellitus, Type 2)

Diabetic Foot

Diabetic Hypoglycemia

Diabetic Ketoacidosis

Diabetic Nephropathy

Diabetic Neuropathies

Thyroid Cancer

Adrenal Insufficiency

Adrenocortical Adenoma

Cushing syndrome (Hypercortisolism)



Hypothyroidism (Underactive thyroid)



Pituitary Adenoma


Peer Reviewed Publications

Farahani, Rahele A; Egan, Aoife M; Welch, Andrew A; Laurenti, Marcello C; Cobelli, Claudio; Dalla Man, Chiara; Vella, Adrian 2023. The Effect of Glucagon-Like Peptide 1 Receptor Blockade on Glucagon-Induced Stimulation of Insulin Secretion. Diabetes, 72 4, 449-454

Schembri Wismayer, Daniel; Laurenti, Marcello C; Song, Yilin; Egan, Aoife M; Welch, Andrew A; Bailey, Kent R; Cobelli, Claudio; Dalla Man, Chiara; Jensen, Michael D; Vella, Adrian 2023. Effects of acute changes in fasting glucose and free fatty acid concentrations on indices of β-cell function and glucose metabolism in subjects without diabetes. American journal of physiology. Endocrinology and metabolism, 325 2, E119-E131

Welch, Andrew A; Farahani, Rahele A; Egan, Aoife M; Laurenti, Marcello C; Zeini, Maya; Vella, Max; Bailey, Kent R; Cobelli, Claudio; Dalla Man, Chiara Dalla; Matveyenko, Aleksey; Vella, Adrian 2023. The effect of Glucagon-Like Peptide-1 Receptor blockade on islet secretion and glucose metabolism in humans. The Journal of clinical investigation, ,

Brar, Gurkirat S; Barrow, Breanne M; Watson, Matthew; Griesbach, Ryan; Choung, Edwina; Welch, Andrew; Ruzsicska, Bela; Raleigh, Daniel P; Zraika, Sakeneh 2017. Neprilysin Is Required for Angiotensin-(1-7)'s Ability to Enhance Insulin Secretion via Its Proteolytic Activity to Generate Angiotensin-(1-2). Diabetes, 66 8, 2201-2212