Meet our Liver Disease Team
Blake completed her undergraduate education at Grand View University and her advanced degree at Maryville University, St. Louis. She is board certified by the American Association of Nurse Practitioners. Her clinical interests include a variety of chronic liver diseases and caring for patients at UnityPoint Health outreach clinics.
Blake also provides services at UnityPoint Health – Grinnell Multi-Specialty Clinic the first Wednesday of each month.
Jennifer completed her graduate education at Briar Cliff University and received her undergraduate degree from Grand View University. Jennifer's background is in acute care nursing with a strong focus on patient education and care coordination. She is board certified by the American Association of Nurse Practitioners and is a specialized Adult-Gerontology Nurse Practitioner. Her clinical interests include fatty liver disease and cirrhosis. Jennifer is passionate about providing patient-centered care within the Des Moines community.
Jennifer provides services at Clarke County Hospital on the second and third Wednesday of each month.
Partnering Providers 
UnityPoint Health – Des Moines Center for Liver Disease is pleased to partner with Nebraska Medicine to offer patients specialized care close to home. Nebraska Medicine gastroenterologists Fedja Rochling,
MD, and Marco Olivera-Martinez, MD, specialize in the management of advanced liver disease and liver transplantation. Dr. Rochling and Dr. Olivera-Martinez will see patients in the Des Moines outpatient clinic every Friday. For patient referrals or consultations, please call (515) 241-4044
Dr. Rochling received his medical degree in 1989 from the Royal College of Surgeons in Ireland. He completed an internship at Newcastle General Hospital in England in 1990 and did an internal medicine residency at Baylor College of Medicine in Houston, Texas, from 1990 to 1993. From 1993 to 1995, he completed a hepatology fellowship at The University of Texas Southwestern Medical Center at Dallas and a gastroenterology/hepatology fellowship at the Medical College of Wisconsin in Milwaukee, Wisconsin from 1995 to 1998.
Dr. Rochling is a professor in the Division of Gastroenterology and Hepatology at the University of Nebraska Medical Center (UNMC).He is certified by the American Board of Internal Medicine in internal medicine, gastroenterology and transplant hepatology. His clinical interests include liver disease, liver cancer and short bowel syndrome.
Dr. Olivera-Martinez received his medical degree in 1987 from La Salle University in Mexico City, Mexico. He completed his internship at Guadalupe Hospital in Mexico City in 1988. He did his internal medicine residency at the Instituto Nacional De Ciencias Médicas y Nutrición in Mexico City from 1989 to 1992; between 1992 and 1995 Dr. Olivera-Martinez completed his gastroenterology fellowship at the Instituto Nacional De Ciencias Médicas y Nutrición and from 1996 to 1998 he completed his transplant hepatology fellowship at UNMC College of Medicine.
Dr. Olivera-Martinez is a professor in the Division of Gastroenterology and Hepatology at UNMC. His clinical interests include liver transplantation, immunosuppression, alcohol induced liver disease and outcomes after liver transplant.