toggle mobile menu Menu
toggle search menu

Site Navigation

Supplemental

Menu

St. Luke's Clinic – Genetics and Metabolic

St. Luke's Clinic – Genetics and Metabolic is the only clinic of its kind in Idaho, with an expert team of physicians, genetic counselors, and a metabolic dietitian. Our goal is to provide a medical home for adults and children with genetic syndromes and metabolic conditions of inborn errors of metabolism. We also aid in the diagnostic evaluation of people from infancy to adulthood with unexplained growth or developmental problems, seizures, hypotonia, physical differences, connective tissue disorders, and other concerns.

Our team sees patients with a variety of conditions, including, but not limited to:

  • Neurofibromatosis type 1 (NF1)
  • Williams syndrome
  • Smith-Magenis syndrome (SMS)
  • Chromosomal duplications or deletions
  • Marfan syndrome
  • Organic acidemias, such as MMA
  • Phenylketonuria (PKU)
  • MCAD deficiency
  • Mitochondrial disorders
  • Carnitine or biotinidase deficiency
  • Rubinstein-Taybi syndrome
We welcome referrals at any age. Patients are generally referred through their primary care physicians or other specialist.
×

Schedule an Appointment
If you have a medical emergency, do not use online scheduling. Call 911 or proceed to your nearest emergency department. If you require immediate assistance for a non-emergency condition, please contact the clinic directly by phone.

Providers

  • Sara K. Fiske, NP

    General Genetics

    Availability

    Accepting new patients
     
  • ""

    Leah R. Fleming, MD

    General Genetics

    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 three genetic counselors and a metabolic dietitian. 

    Availability

    Accepting new patients
     

  • Atticus Halpern, GC

    General Genetics

    Availability

    Accepting new patients
     
  • Sheri A. Poskanzer, MD

    Sheri A. Poskanzer, MD

    General Genetics

    Availability

    Accepting new patients
     
  • Kimberly J. Schmidt, RD

    Kimberly J. Schmidt, RD

    Nutrition Services for Children

    Biography

    Kimberly Schmidt RD, CSP, LD is board certified in pediatric nutrition. She is the metabolic dietitian with St. Luke’s Clinic – Genetic and Metabolic and oversees the PKU program for the state of Idaho. Prior to joining St. Luke’s, Kimberly worked as a renal dietitian at DaVita. 

    Kimberly graduated from Washington State University's coordinated program in dietetics, completing her internship in Tacoma, Washington. 

    In her free time, she enjoys hiking, reading, skiing and spending time with her family and friends. 

    Availability

    Accepting new patients
     

  • Bailey Severe, CGC

    General Genetics

    Biography

    Bailey Severe, MS, LCGC is a genetic counselor with special interest in neurological and neuromuscular conditions such as Duchenne and Becker muscular dystrophy. She is dedicated to providing families with knowledge and guidance to understand their diagnosis and become advocates for themselves. She hopes help grow the field of genetic counseling and have a positive impact on each patient’s overall health and healthcare experience. 

    Bailey received her bachelor’s degree in biology with minors in chemistry, psychology, and neuroscience at Butler University. She completed her master’s degree in genetic counseling at the University of Oklahoma Health Sciences Center. During her time at the University of Oklahoma, she completed an internship in leadership education related to neurodevelopmental and related disorders. 

    In her free time, Bailey can usually be found outdoors: hiking, camping, skiing, paddle boarding, and adventuring with her dog.

    Availability

    Accepting new patients
     

  • Tina N. Tran, CGC

    General Genetics

    Availability

    Accepting new patients
     

  • Alexandra Tsai, CGC

    General Genetics

    Availability

    Accepting new patients
     

Access Your Mobile Medical Record Anytime, Anywhere

Access Your Mobile Medical Record Anytime, Anywhere

Sign up for a MyChart account today!

With MyChart, you’re able to view test results, contact your provider, request medication refills, schedule appointments and more. We encourage you to sign up for easy access to the tools and information you need to proactively manage your health. You can also set up online proxy access requests for medical records of children, spouses, or dependents.


There's also an easy-to-use MyChart app available for your mobile devices!

Learn more about MyChart

Protect Your Health

Your Partner in Health.

People are at the heart of great health care. That's why we are committed to delivering compassionate, high-quality care tailored to the communities we serve. 


Together with our community partners and patients, we're building a stronger, healthier future for all Idahoans.

Connect with Us
Contact Us In Twin Falls (208) 814-1000