About Us


​Dr. Luciann Hruza


Dr. Hruza was born and raised in New York City.  She attended college and medical school at Boston University School of Medicine in Boston, Massachusetts.  She completed her dermatology residency at Washington University School of Medicine in Saint Louis in 1992.  Additionally, she completed a fellowship in photo biology at  Harvard Medical School in 1993.  Dr. Hruza has been in practice since 1993.  She is board certified in Dermatology . 


Dr. Hruza is currently on staff at Missouri Baptist Hospital, St. Luke's Hospital, and St. Mary's Hospital.  Dr. Hruza has been nominated as a "Best Doctor" in St. Louis Magazine in Dermatology since 2006.


Marissa Saengsamran, APRN, BC

Marissa is a nurse practitioner who joined Clayton Dermatology in the winter of 2008.  Marissa is a St. Louis native who graduated from Saint Louis University in 2004 with a Master of Science in Nursing with a certification as a nurse practitioner.  Her previous work experience includes 3 years as an RN at DePaul Health Center and 4 years as a nurse practitioner in an Internal Medicine office.  She is also a member of Sigma Theta Tau nursing honor society.  As a nurse practitioner she can follow and treat patients in the office.


Jen Hunsaker, FNP-C


Jen Hunsaker is a Family Nurse Practitioner who joined Clayton Dermatology in the winter of 2017. Jen graduated from Goldfarb School of Nursing at Barnes-Jewish College with a Bachelor of Science in Nursing in 2011 and she spent five years working as a nurse in the Emergency Department at Barnes-Jewish Hospital. Jen graduated from Maryville University with a Master of Science in Nursing in 2015
and she spent three years working as a Family Nurse Practitioner at SSM Health Express Clinic/Walgreens Healthcare Clinic before joining Clayton Dermatology. As a Family Nurse Practitioner, Jen can diagnosis and treat adults and children.

Clayton Dermatology,LLC

Call Us:  314.645.4500