Michael R. Rickels, MD, MS
Diabetes
Accepting new patients
Sees patients age 18 and up
Penn Rodebaugh Diabetes Center
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Headshot of Michael R. Rickels, MD, MS
Penn Medicine Provider

About me

  • Medical Director, Pancreatic Islet Cell Transplant Program
  • Willard and Rhoda Ware Professor in Diabetes and Metabolic Diseases

Education and training

  • Medical School: University of Pennsylvania School of Medicine
  • Residency: University of Pennsylvania Health System
  • Fellowship: University of Pennsylvania Health System

What my patients think about me

Average Rating

117 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

January 2026
he is the best endocrine dr i have seen
December 2025
he is an excellent physician and human being.
December 2025
his concern in maintaining good health
December 2025
wonderful doctor!!

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Rickels is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Reichman TW, Markmann JF, Odorico J, Witkowski P, Fung JJ, Wijkstrom M, Kandeel F, de Koning EJP, Peters AL, Mathieu C, Kean LS, Bruinsma BG, Wang C, Mascia M, Sanna B, Marigowda G, Pagliuca F, Melton D, Ricordi C, Rickels MR; VX-880-101 FORWARD Study Group Stem cell-derived, fully differentiated islets for type 1 diabetes , New England Journal of Medicine, 393(9): 2025,858-868


Flatt AJ, Matus AM, Gallop RJ, Markmann E, Dalton-Bakes C, Peleckis AJ, Liu C, Naji A, Rickels MR Beta-cell secretory capacity predicts metabolic outcomes over 6 years following human islet transplantation , Diabetes, 74(5): 2025,749-759


Rickels MR, Ballou CM, Foster NC, Alejandro R, Baidal DA, Bellin MD, Eggerman TL, Hering BJ, Kandeel F, Brand A, Miller KM, Barton FB, Payne EH Islet transplantation vs. standard of care for type 1 diabetes complicated by severe hypoglycemia from the Collaborative Islet Transplant Registry (CITR) and the T1D Exchange (T1DX) Registry , Diabetes Care, 48(5): 2025,737-744


Rickels MR, Bellin MD, Stefanovski D, Peleckis AJ, Dalton-Bakes C, Markmann E, Nguyen HL, Townsend RR, Hering BJ, Naji A α- or β-Adrenergic blockade does not affect transplanted islet cell responses to hypoglycemia in type 1 diabetes , American Journal of Physiology - Endocrinology & Metabolism, 327(3): 2024,E290-E301


Flatt AJ, Sheikh S, Peleckis AJ, Alvarado P, Hadjiliadis D, Stefanovski D, Gallop RJ, Rubenstein RC, Kelly A, Rickels MR Preservation of beta-cell function in pancreatic insufficient cystic fibrosis with highly effective CFTR modulator therapy , Journal of Clinical Endocrinology & Metabolism, 109(1): 2024,151-160


Riddell MC, Li Z, Gal RL, Calhoun P, Jacobs PG, Clements M, Martin CK, Doyle FJ III, Patton SR, Castle JR, Gillingham MB, Beck RW, Rickels MR; T1DEXI Study Group Examining the acute glycemic effects of different types of structured exercise sessions in type 1 diabetes in a real-world setting: The Type 1 Diabetes and Exercise Initiative (T1DEXI) , Diabetes Care, 46(4): 2023,704-713


Flatt AJ, Peleckis AJ, Dalton-Bakes C, Nguyen HL, Ilany S, Matus A, Malone SK, Goel N, Jang S, Weimer J, Lee I, Rickels MR Automated insulin delivery for hypoglycemia avoidance and glucose counterregulation in long-standing type 1 diabetes with hypoglycemia unawareness , Diabetes Technology & Therapeutics, 25(5): 2023,302-314


Nyirjesy SC, Peleckis AJ, Eiel JN, Gallagher K, Doliba A, Tami A, Flatt AJ, De Leon DD, Hadjiliadis D, Sheikh S, Stefanovski D, Gallop R, D’Alessio DA, Rubenstein RC, Kelly A, Rickels MR Effects of GLP-1 and GIP on islet function in glucose intolerant, pancreatic insufficient cystic fibrosis , Diabetes, 71(10): 2022,2153-2165


Flatt AJ, Chen E, Peleckis AJ, Dalton-Bakes C, Nguyen HL, Collins HW, Millar JS, Gallop RJ, Rickels MR Evaluation of clinical metrics for identifying defective physiologic responses to hypoglycemia in long-standing type 1 diabetes , Diabetes Technology & Therapeutics, 24(10): 2022,737-748


Rickels MR, Eggerman TL, Bayman L, Qidwai JC, Alejandro R, Bridges ND, Hering BJ, Markmann JF, Senior PA, Hunsicker LG; Clinical Islet Transplantation Consortium Long-term outcomes with islet-alone and islet-after-kidney transplantation for type 1 diabetes in the Clinical Islet Transplantation Consortium: The CIT-08 Study , Diabetes Care, 45(12): 2022,2967-2975


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