Bernard Feldman is a Gastroenterologist in Clive, Iowa. Dr. Feldman is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Bile Duct Stricture, Bile Duct Obstruction, Cholestasis, Endoscopy, and Colonoscopy.

Xiaoping He is a Gastroenterologist in Clive, Iowa. Dr. He is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Berdon Syndrome, Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, and Endoscopy.

Karen Luken is a Nurse Practitioner in Clive, Iowa. Ms. Luken is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Non-Alcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis (NASH), Agenesis of the Dorsal Pancreas, and Gallbladder Disease.

Megan Brodie is a Nurse Practitioner in Clive, Iowa. Ms. Brodie is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Urea Cycle Disorders (UCD), Gallbladder Disease, Intestinal Cancer, and Nonalcoholic Steatohepatitis (NASH).

Ravi Vemulapalli is a Gastroenterologist in Clive, Iowa. Dr. Vemulapalli is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Visceromegaly, Enlarged Liver, Cirrhosis, Colonoscopy, and Endoscopy.

Blake Williams is a Nurse Practitioner in Des Moines, Iowa. Ms. Williams is rated as a Distinguished provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Non-Alcoholic Fatty Liver Disease, Gallbladder Disease, and Liver Failure.

Marco Olivera-Martinez is a Gastroenterologist and a Hepatologist in Des Moines, Iowa. Dr. Olivera-Martinez has been practicing medicine for over 44 years and is rated as a Distinguished provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Cirrhosis, Visceromegaly, Hepatitis, Liver Transplant, and Colonoscopy. Dr. Olivera-Martinez is currently accepting new patients.

Amber has been an RN for the past eight years. Last December, she completed her Master of Science to become an ARNP and is excited to start her career at The Iowa Clinic. Ms. Dvorak is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Tenesmus, Diarrhea, Trichohepatoenteric Syndrome, and Gastroesophageal Reflux Disease (GERD).

Clive, Iowa native Dr. Jaclyn Andrick joined the Iowa Clinic in 2022. She chose radiology as her specialty because she loves to use medical imaging to guide procedures and comfortability for her patients. Providing patients with ample information and support throughout procedures as well as diagnosis and treatment, when needed, is rewarding to her in providing top quality care. Dr. Andrick is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Breast Lump, BRCA Positive Breast Cancer, HER2 Negative Breast Cancer, and Thyroid Nodule.

Amber Tierney, MD decided to join The Iowa Clinic because of our reputation for great patient care. Dr. Tierney is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Gastrectomy, and Colonoscopy.

Dr. Fahler had the opportunity to work with our Gastroenterology (GI) physicians during his residency training in which they treated him as a colleague and showed great cohesiveness among the group. The GI team and the quality of The Iowa Clinic overall is why Dr. Fahler decided to join the practice. Early in his training, he worked in a GI Clinic where he developed a strong interest for disorders of the GI tract. That and the balance between clinical and procedural medicine are what attracted him to the field. Dr. Fahler is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Ulcerative Colitis, Crohn's Disease, Colitis, Gastrectomy, and Endoscopy.

Alexus Goodson, PA-C joined the Iowa Clinic in 2022 after receiving her degree from Des Moines University and practicing for two years in the metro area. Patient-focused care is extremely important to her, which is why she chose The Iowa Clinic. Building trust and relationships with patients is what she finds most rewarding about her job. She enjoys seeing patients of all ages and providing care for them throughout their life. . Her top areas of expertise are Seasonal Affective Disorder (SAD), Non-Alcoholic Fatty Liver Disease, and Nonalcoholic Steatohepatitis (NASH).

Anuj Bhargava is an Endocrinologist in West Des Moines, Iowa. Dr. Bhargava is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Type 1 Diabetes (T1D), Low Blood Sugar, Type 2 Diabetes (T2D), and Secondary Adrenal Insufficiency.

Charleen Ostrem is a Nurse Practitioner in Clive, Iowa. Ms. Ostrem is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Malabsorption, Nonalcoholic Steatohepatitis (NASH), and Non-Alcoholic Fatty Liver Disease.

Thao Nguyen is a Nurse Practitioner in Clive, Iowa. Ms. Nguyen is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

Harvey Giller is a Gastroenterologist in Clive, Iowa. Dr. Giller is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

Colombia Ptacek is a Nurse Practitioner in Clive, Iowa. Ms. Ptacek is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Atrial Tachycardia, Paroxysmal Supraventricular Tachycardia (PSVT), and Heart Failure with Preserved Ejection Fraction (HFpEF).

Corinne Conley is a Nurse Practitioner in Clive, Iowa. Ms. Conley is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

Kjersten Davis, ARNP joined The Iowa Clinic Gastroenterology department in 2023 after relocating from Arizona, where she practiced for six years. She joined The Iowa Clinic because of the positive and supportive workplace culture and work-life balance. She enjoys building relationships with patients and appreciates the ability to make an impact in the community. Ms. Davis is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Tenesmus, Gastroesophageal Reflux Disease (GERD), Bacterial Gastroenteritis, and Gas Bloat Syndrome.

Megan Riedesel is a Nurse Practitioner in West Des Moines, Iowa. Ms. Riedesel is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).