Marengo Memorial Medical Staff
Edriss Estime, MD
Family Medical Clinic
Chief of Staff
Dr. Edriss Estime received his doctorate in medicine from St. Matthew’s University School of Medicine. He completed a residency program at Pinnacle Health Hospitals in Harrisburg, PA. He specializes in Internal Medicine. He speaks fluent French and English and is also conversant in Spanish. His hobbies include plastic arts, theater and comedy. Dr. Estime and his wife are currently living in the Iowa County area and have a son.
Joan Harding, MD
Emergency Room
Dr. Joan Harding returned to the MMH staff in September of 2007. Dr. Harding practiced at MMH from 1993-1998. She was Chief of Staff from 1997-1998. She practiced at Grinnell Regional Medical Center for a period of time. Dr. Harding graduated from the University of Kansas Medical Center in 1988. She was a preceptor for students of Family Practice for the U of I during her time with Marengo Memorial Hospital. She is also a member of the American Academy of Family Physicians, the American Medical Association and the Iowa Medical Society. Dr. Harding is a resident of Marengo.
Mark Irland, MD
Emergency Room
Dr. Mark Irland joined MMH in July of 2007. Dr. Irland received his MD from the Unviersity of Iowa, College of Medicine in 1996. He did his post graduate training in a Cedar Rapids Family Practice from 1996-1999. He has worked previously in the Grinnell Regional Medical Center Emergency Room and the Washington County Emergency Room. He is Board Certified in Family Practice.
Philip McCune, DO
Family Medical Clinic
Philip McCune is a native of Williamsburg, Iowa, graduating from Williamsburg High School. He attended Iowa State University where he received his Doctor of Veterinary Medicine and then went onto Kirksville College of Osteopathic Medicine and received his Doctor of Osteopathic Medicine in 1987. Dr. McCune is a member of the American Academy of Family Physicians, the Iowa Academy of Family Physicians, the Iowa Association of Osteopathic Family Practice, the American Osteopathic Association, the Iowa Osteopathic Association and the Association of Military Surgeons United States. Dr. McCune is in the US Army Reserves associated with the 4207th. You may see Dr. McCune at the clinic and as an inpatient, but he will also see patients in the MMH Emergency Room occasionally.
Gregory Neyman, MD
Emergency Room
Family Medical Clinic
If you are admitted to MMH, it is likely you will meet Dr. Neyman as he cares for the majority of our hospitalized patients. He also practices in the emergency department and occasionally at our family medical clinic. He received his degree from the UHSA School of Medicine and attended residency at the University of Iowa's Northeast Iowa Family Medicine Residency Program in Waterloo. He is a resident of rural Amana and brings a great deal of clinical and administrative experience with him to MMH and was the medical director of two emergency departments prior to joining our team.
Hanna Chang, CPNP
Family Medical Clinic
Hanna Chang has lived in Iowa for 17 years, and currently lives in Iowa City. Hanna graduated with a BSN from University of Iowa in 2003. She then worked at the University of Iowa Children’s Hospital as a pediatric nurse. She worked on the general pediatric unit specializing in cardiology, otolaryngology, orthopedics and other general pediatric specialties. While working at the UICH, Hanna obtained her pediatric nurse practitioner degree. Hanna’s parents live in north central Iowa. She has an older sister who is married with 2 beautiful boys and moved back to South Korea about a year ago. She also has a younger brother who works at Rockwell as an electronic engineer. Hanna’s husband, C.K. graduted from Loyola University in Chicago with his masters in accounting.
Jim Hines, PA-C
Emergency Room
An Iowa native, Jim Hines, PA-C began his healthcare career as a University of Iowa trained Paramedic in 1990. He received his nursing degree from NEICC in Calmar, Iowa in 1994. He completed the Physician Assistant Program at the University of North Dakota, School of Medicine in 2002. He is certified by the NCCPA. He has over 22 years of Emergency Healthcare experience.
Heidi Wauters, ARNP
Family Medical Clinic
Heidi Wauters joined the Family Medical Clinic in the spring of 2006. She received her Family Nurse Practitioner and her Master of Science of Nursing in 2005 from Allen College in Waterloo. She worked as a Registered Nurse in the Medical Intensive Care Unit at the University of Iowa Hospitals and Clinics from 2000-2005. She is a member of the American Academy of Nurse Practitioners and the Sigma Theta Tau International Honor Society of Nursing. She volunteers as a member of the Belle Plaine Area Ambulance Board. Heidi is married and has two children.