Learn More

Share This

Adult Phenylketonuria (PKU) Program


University of Minnesota Medical Center, Fairview
Phillips-Wangensteen Building
Sixth Floor, Medicine Clinic 6A
516 Delaware St. SE
Minneapolis, MN 55455


Appointment scheduling: (612) 365-6777

Adults with phenylketonuria, hyperphenylalaninemia, maternal PKU syndrome, and disorders of biopterin synthesis/regeneration receive comprehensive specialty care by our multidisciplinary Pediatric Phenylketonuria (PKU) Clinic team. Infants, children, and adolescents with these conditions receive the same high quality care through our Pediatric Phenylketonuria (PKU) Program.



  • Chester Whitley, PhD, MD, PhD

Genetic Counselors:

  • Cindy Pham Lorentz, MS, CGC

Metabolic Dietitians:

  • Dorothy Markowitz, RD, LD
  • Jenny Bock, RD, LD


  • Christopher Boys, PhD, LP

Medication Therapy Management:

  • Jeanine Utz, PharmD, BCOP, BCPS

Conditions we provide specialty care for (but not limited to):

  • Phenylketonuria (PKU)
  • Hyperphenylalaninemia (Hyperphe)
  • Maternal PKU syndrome
  • Disorders of biopterin synthesis and regeneration



  • Lorentz, Cindy, MS, CGC

    • Genetic Counselor
    Clinical Interests
    • Congenital Adrenal Hyperplasia
    • Phenylketonuria
    • Inborn errors of metabolism

  • Whitley, Chester B, PhD, MD

    • Physician - Genetics and Metabolism
    Clinical Interests
    • Genetics
    • Phenylketonuria
    • Inborn errors of metabolism


Central Scheduling: 612.672.7422

Provider Referrals: 612.672.7000

Administrative Offices: 612.884.0600

©2014 Regents of the University of Minnesota. All rights reserved.