toggle mobile menu Menu
toggle search menu

Site Navigation




General Genetics

At St. Luke's, we can help diagnose, assess, and manage non-cancerous genetic conditions. Our team includes a medical geneticist and genetic counselors to evaluate inheritance risks, offer support for rare diseases, perform genetic testing, and interpret results.

Highlights & Resources

  • Article

    Genetic Conditions

  • Article

    Genetic Counseling

  • Facilities & Locations

Our team offers a medical home for adults and children with genetic syndromes and metabolic conditions of inborn errors of metabolism.

  • Location & Contact Info

    100 E. Idaho St.
    Suite 200
    Boise, ID 83712
    (208) 381-7339


  • Biography

    Leah Fleming, MD specializes in clinical genetics and medical biochemical genetics. She focuses on caring for children and adults with a wide range of conditions, including chromosomal disorders such as Smith Magenis Syndrome and metabolic disorders like phenylketonuria, together with a team that includes two genetic counselors and a metabolic dietitian. 


    Accepting new patients
  • General Genetics
    • St. Luke's Health Partner
      St. Luke's Health Partner

      These providers work together to achieve patient-centered care, using proven best practices to offer better care to you and your family.

    • Specialties, Conditions & Treatments

  • Genetics


    Brittney Knyszek, MS, LCGC has experience and expertise in explaining complex genetic concepts in a clear, understandable way, and in providing a range of perspectives for those faced with difficult decisions. She has a special interest and knowledge in the realm of hearing loss as it relates to genetics.

    Brittney earned her master's degree in genetic counseling from Case Western Reserve University and nearby community and specialty hospitals.


    Accepting new patients
  • Genetics


    Rachel Westman, MS, LCGC specializes in general pediatric and and adult genetics, biochemical genetics, and also works with patients and families with neuromuscular conditions.

    Rachel earned her bachelor's degree in biology with a minor in bioethics from the University of Idaho and her master's degree in genetic counseling from the University of Pittsburgh. She is board certified by the American Board of Genetic Counseling and a member of the National Society of Genetic Counselors and the American College of Medical Genetics and Genomics.


    Accepting new patients