Minnesota Medical Providers

The following medical providers have experience treating families with hereditary colon cancer syndromes. ​We cannot make recommendations about specific physicians, attest to the credentials of these providers, nor do we evaluate their competency to practice. Furthermore, their inclusion on this website, or any referral to a provider from the Hereditary Colon Cancer Foundation, should not be considered an endorsement of any type. 


If you do not see​ providers ​near you, we can still help. Click​ HERE for names of​ genetic​ counselors who offer phone and web-based counseling. Or, if you give us some information about yourself and/or your family member(s), and tell us where you are located, we will do our best to find someone near you. Click HERE to contact us.

If you are a ​provider, experienced in treating patients with Hereditary Colon Cancer Syndromes, click ​HERE to register.



Sanford Health (218) 333-5068

Jennifer Leonhard, Licensed Certified Genetic Counselor



Allina Health (763) 236-5626

Denise Jones, Certified Genetic Counselor

Shari Baldinger, MS, Certified Genetic Counselor



Health East Care System (651) 326-7610

Rachel Riesgraf, Certified Genetic Counselor



Allina Health Virginia Piper Cancer Institute (612) 863-0228

Shari Baldinger, MS, Certified Genetic Counselor


University of Minnesota Health (855) 486-7226

Mary Ahrens, Genetic Counselor

Robert Madoff, MD, Colorectal Surgeon

Denise Musser, APRN-CNS, OCN, ANG-BC



Humphrey Cancer Center of North Memorial Health Care (763) 581-2922

Joy Larsen Haidle, Genetic Counselor



Mayo Clinic Gastroenterology and Hepatology in Minnesota (507) 538-3270

Lisa Boardman, MD, Gastroenterologist

Matthew Ferber, PhD, Clinical Molecular Geneticist

Paul Limburg, MD, Gastroenterologist

Frank Sinicrope, MD, Gastroenterologist



Minnesota Oncology (651) 999-8977

Anna Leininger, MS, Certified Genetic Counselor