University of Wisconsin–Madison

Rebecca S Sippel, MD, FACS

Associate Professor

  • Vice Chair of Academic Affairs and Professional Development
  • Chief, Division of Endocrine Surgery
(608) 263-1387

600 Highland Ave
Box 7375 Clincial Science Cntr-H4
Madison, WI 53792-3284


  • MD, Washington University School of Medicine, St. Louis, MO, 1999
  • Residency, University of Wisconsin Hospitals and Clinics, Madison, WI, 1999-2006
  • Postdoctoral Research Fellowship, University of Wisconsin Comprehensive Cancer Center, Endocrine Surgery Research Lab, 2001-2003
  • Fellowship in Endocrine Surgery, University of California- San Francisco, CA, 2006-2007

Clinical Specialties

Dr. Sippel is certified by the American Board of Surgery. She specializes in endocrine surgery, treating diseases of the thyroid, parathyroid, and adrenal glands. She utilizes several minimally invasive techniques to treat endocrine disorders (minimally invasive parathyroidectomy, laparoscopic adrenalectomy, focused exploration for recurrent thyroid cancer). She has a special interest in treating patients with Graves’ disease, hyperparathyroidism and recurrent thyroid cancer.

Research Interests

Dr. Sippel conducts translational research at the University of Wisconsin Comprehensive Cancer Center. Her research program investigates the development and treatment of endocrine tumors with a special interest in thyroid cancer. She also conducts clinical research working on improving the care and outcomes of patients with endocrine tumors.

Recent Publications

    • Identifying Predictors of Prolonged Levothyroxine Dose Adjustment After Thyroidectomy.
    • Atruktsang TS, Zaborek NA, Imbus JR, Long K, Pitt SC, Sippel RS, Schneider DF
    • J. Surg. Res. 2019 May 09; 242: 166-171
    • [PubMed ID: 31078901]
    • Performance of a Multigene Genomic Classifier in Thyroid Nodules With Indeterminate Cytology: A Prospective Blinded Multicenter Study.
    • Steward DL, Carty SE, Sippel RS, Yang SP, Sosa JA, Sipos JA, Figge JJ, Mandel S, Haugen BR, Burman KD, Baloch ZW, Lloyd RV, Seethala RR, Gooding WE, Chiosea SI, Gomes-Lima C, Ferris RL, Folek JM, Khawaja RA, Kundra P, Loh KS, Marshall CB, Mayson S, McCoy KL, Nga ME, Ngiam KY, Nikiforova MN, Poehls JL, Ringel MD, Yang H, Yip L, Nikiforov YE
    • JAMA Oncol 2018 Nov 08;
    • [PubMed ID: 30419129]
    • The optimal dosing scheme for levothyroxine after thyroidectomy: A comprehensive comparison and evaluation.
    • Zaborek NA, Cheng A, Imbus JR, Long KL, Pitt SC, Sippel RS, Schneider DF
    • Surgery 2019 Jan; 165(1): 92-98
    • [PubMed ID: 30413325]
    • Timely Evaluation and Management of Primary Hyperparathyroidism in Patients With Kidney Stones.
    • Perez AA, Schneider DF, Long KL, Pitt SC, Sippel RS
    • J. Surg. Res. 2018 12; 232: 564-569
    • [PubMed ID: 30463775]
    • Should Symptoms Be Considered an Indication for Parathyroidectomy in Primary Hyperparathyroidism?
    • McDow AD, Sippel RS
    • Clin Med Insights Endocrinol Diabetes 2018; 11: 1179551418785135
    • [PubMed ID: 30013413]

All Publications on PubMed