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Kristina Penniston, PhD

Surgical Services

Contact Dr. Penniston


(608) 265-9797

UW Medical Foundation Centennial Building
1685 Highland Ave
MADISON, WI 53705-2281

Kristina Penniston, PhD

Senior Scientist


  • PhD, University of Wisconsin-Madison, Madison, WI, 2004
  • Registered Dietitian (RD), post-baccalaureate internship completed at the University of Wisconsin Hospital and Clinics, Madison, WI, 1999
Professional Activities

In addition to her position as an Assistant Scientist at the UW Medical School, Dr. Penniston is a Clinical Nutritionist with UW Hospital and Clinics and provides medical nutrition therapy to patients with urologic diseases, such as kidney stones, prostate cancer, and other urinary tract conditions. Dr. Penniston has been the nutritionist for the UW Hospital Metabolic Stone Clinic since 1999. Additionally, Dr. Penniston:

  • is a preceptor for clinical nutrition interns at UW Hospital and Clinics (1999-present)
  • served as an invited expert reviewer for the American Dietetic Association “Nutrition Diagnosis Project” (2004-2005)
  • is a member of the American Society for Nutrition (2000-present)
  • is a member of the American Dietetic Association (1998-present)
  • is a member of the Research Dietetic Practice Group and the Oncology Practice Group of the American Dietetic Association (2003-present)
Honors and Awards
  • “First Author Paper Award,” American Dietetic Association Research Dietetic Practice Group (2005)
  • Preceptor award from dietetic interns of UW Hospital and Clinics Internship Program (2005 and 2004)
  • American Dietetic Association Foundation scholarship award (2003)
  • UW-Madison Department of Nutritional Sciences nominee for the Louis and Elsa Thomsen Wisconsin Distinguished Fellowship Award for graduate students in the College of Agriculture and Life Sciences (2003)

Research Interests

Dr. Penniston’s research interests include clinical nutrition research in kidney stones and prostate cancer. Specifically, she is interested in the efficacy of nutrition therapy in the prevention, management, and treatment of disease and on indicators of quality of life.

Recent Publications
  • Bell JR, Penniston KL, Nakada SY. In Vitro Comparison of Stone Fragmentation When Using Various Settings with Modern Variable Pulse Holmium Lasers. J. Endourol. 2017 Jul 20.
    [PubMed ID: 28728505]
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  • Bell JR, Penniston KL, Nakada SY. In Vitro Comparison of Holmium Lasers: Evidence for Shorter Fragmentation Time and Decreased Retropulsion Using a Modern Variable-pulse Laser. Urology 2017 Jun 21.
    [PubMed ID: 28647563]
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  • Bell JR, Penniston KL, Best SL, Nakada SY. A survey of patient preferences regarding medical expulsive therapy following the SUSPEND trial. Can J Urol 2017 Jun; 24(3):8827-8831.
    [PubMed ID: 28646938]
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  • Penniston KL, Nakada SY. Use of the WISQOL Questionnaire. J. Endourol. 2017 Apr; 31(4):420.
    [PubMed ID: 28306328]
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  • Penniston KL, Patel SR, Schwahn DJ, Nakada SY. Studies using a porcine model: what insights into human calcium oxalate stone formation mechanisms has this model facilitated? Urolithiasis 2017 Feb; 45(1):109-125.
    [PubMed ID: 27904915]
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  • Penniston KL, Antonelli JA, Viprakasit DP, Averch TD, Sivalingam S, Sur RL, Pais VM, Chew BH, Bird VG, Nakada SY. Validation and Reliability of the Wisconsin Stone Quality of Life Questionnaire. J. Urol. 2017 May; 197(5):1280-1288.
    [PubMed ID: 27889419]
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  • Streeper NM, Wertheim ML, Nakada SY, Penniston KL. Cystine Stone Formers Have Impaired Health-Related Quality of Life Compared with Noncystine Stone Formers: A Case-Referent Study Piloting the Wisconsin Stone Quality of Life Questionnaire Among Patients with Cystine Stones. J. Endourol. 2017 Apr; 31(S1):S48-S53.
    [PubMed ID: 27717296]
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  • Jhagroo RA, Nakada SY, Penniston KL. Patients Attending Shared Medical Appointments for Metabolic Stone Prevention Have Decreased Stone Risk Factors. J. Endourol. 2016 Nov; 30(11):1262-1268.
    [PubMed ID: 27673722]
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  • Penniston KL, Wertheim ML, Nakada SY, Jhagroo RA. Factors associated with patient recall of individualized dietary recommendations for kidney stone prevention. Eur J Clin Nutr 2016 Sep; 70(9):1062-7.
    [PubMed ID: 27222155]
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  • Penniston KL, Sninsky BC, Nakada SY. Preliminary Evidence of Decreased Disease-Specific Health-Related Quality of Life in Asymptomatic Stone Patients. J. Endourol. 2016 May; 30 Suppl 1():S42-5.
    [PubMed ID: 26864746]
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