Our Team

Dr. Steven Immerman

Dr. Immerman moved to Eau Claire and started Evergreen Surgical in December of 1981. His practice has now grown to its present size of five general surgeons. Before moving to Eau Claire, Dr. Immerman received both his undergraduate and medical degrees from Northwestern University in Chicago. Following that, he completed a five year residency in general surgery at Northwestern University. As part of his surgical training, he completed an American Cancer Society Clinical Fellowship in Surgical Oncology at Evanston Hospital in Evanston, IL. Dr. Immerman has published papers on cancer of the breast, lung, pancreas, parathyroid glands, and skin; and more recently on pilonidal disease. He is board certified in General Surgery by the American Board of Surgery, and is a Fellow of the American College of Surgeons. He currently is chairman of the Performance Improvement Committees. He is also on the board of the International Pilonidal Society, and has spoken there on his experience with pilonidal disease on two occasions.

He is the founder of the of the OakLeaf Medical Network which was created in 1993 to allow patients and physicians in the Chippewa Valley maintain private practice as a health care option. He was the CEO of the OakLeaf organization from 1993 to 2006, and was the driving force behind the creation of the OakLeaf Surgical Hospital. In 2016, he was Sacred Heart Hospital’s “Physician of the Year”. “Dr. Immerman is absolutely passionate about providing the very best care to our patients,” said Julie Manas, president and CEO of Sacred Heart Hospital.

Dr. Immerman was born and raised in the suburbs of New York City. He is married and has three sons and three grandchildren. His hobbies include photography and kiln formed glass. His glass art is in galleries across the United States and can also be seen at the Steve Immerman Kilnformed Glass web site, and on his Steve Immerman Kilnformed Glass Facebook Page.

Dr. Richard Daniels

Dr. Daniels graduated from Santa Clara University in Santa Clara, California. He earned his medical degree in 1991 from Creighton University School of Medicine in Omaha, Nebraska. Dr. Daniels completed a five- year residency in General Surgery at the University of North Dakota, Grand Forks. He is a Fellow of the American College of Surgeons and is Board Certified by the American Board of Surgery. Dr. Daniels has been a Medical Staff Officer at Sacred Heart Hospital (2004-2008) and served as the hospital’s Chief of Staff (2008-2010). He has also served on the Sacred Heart Hospital Procedural Review Board (2001- 2010). Dr. Daniels is an active board member of the Eau Claire YMCA, and the OakLeaf Medical Network. He is also currently serving on the Sacred Heart Hospital Cancer Committee as well as the Credentials Committee. Dr. Daniels is a clinical assistant professor in the department of Family Medicine at the University of Wisconsin School of Medicine and Public Health. He has also served as Trauma Director at Sacred Heart Hospital. Dr Daniels is the honored recipient of the 2010 National Dorland Award which honors health care professionals that exemplify excellence. He was honored to be named the Sacred Heart Hospital 2012 Physician of The Year. “Dr Daniels brings caring compassion to his patients, treating them as if they were members of his family” said Faye Deich, Chief Operating Officer, Sacred Heart Hospital.

Dr. Daniels enjoys speaking to fellow colleagues, hospital staff, and community groups on such topics as Breast Cancer detection and treatments, varicose vein treatments, Cancer of the Colon, Colostomy Care and Reflux Disease. His special interests include Laparoscopic procedures, Cancer Care and Endocrine operations.

Dr. Daniels and his wife, Amelia, have four young children. He is involved with the American Youth Soccer Organization (AYSO) as a coach. He is very involved with his church and numerous other community organizations such as the Eau Claire Children’s Museum and the YMCA. Dr Daniels and his family enjoy traveling together and he and his wife share a love for fitness, yoga and running. He has run 21 marathons to date including being a two-time Boston Marathon finisher.

Dr. Richard Daniels

Dr. Brent M. Wogahn

After receiving his undergraduate degree from Iowa State and his M.D. from the University of Iowa, Dr. Wogahn completed a five year General Surgical residency at the University of Missouri affiliated St. Luke’s Hospital program in Kansas City. In addition to his training in general surgery and trauma, Dr Wogahn received extensive experience in vascular surgery. Dr Wogahn has published clinical research papers on vascular problems, shock, bowel obstruction, nutrition and trauma. Dr Wogahn is board certified in General Surgery by the American Board of Surgery.

Since joining Evergreen Surgical in 1995, Dr Wogahn has developed a very active vascular surgical practice in this area of Wisconsin. In addition to practicing in Eau Claire, Dr Wogahn also sees patients in Durand.

Dr. Wogahn is an instructor in the Family Medicine Resident Teaching Program and was awarded the “Outstanding Newcomer Award” for teaching in 1996. He also lectures for the Emergency Medical Training Programs at Sacred Heart and Chippewa Valley Technical College. He is the President of the medical staff of the OakLeaf Surgical Hospital in Eau Claire.

Since 2000, Dr Wogahn has traveled to Ecuador on several occasions with a group of medical personnel from Eau Claire to share his time and surgical abilities with the Ecuadorians.

Dr. Wogahn was born in Cedar Rapids, Iowa and raised on a farm north of Marion, Iowa. He and his wife Kristin have two children. Dr Wogahn’s leisure time interests include aviation and reading.

Brent Wogahn

Dr. Brandon Andrew

Dr. Andrew is our most recent associate. He graduated from the University of Toronto, with a Bachelor of Applied Science with Honors, having majored in Chemical Engineering and minored in BioEngineering. He earned his medical degree with honors in research in 2011 from Northwestern University, Feinberg School of Medicine in Chicago, IL. He completed a five-year residency in General Surgery at Guthrie/Robert Packer Hospital in Sayre, PA. Dr. Andrew then completed a Bariatric Surgery fellowship at the University of Pittsburgh Medical Center in 2017.

Dr. Andrew enjoys working with patients, physicians and other members of the medical staff to provide morbidly obese patients with the highest level of surgical and medical management. He also has an interest in gallbladder, biliary tract disease, and hernias. Dr. Andrew has published manuscripts and abstracts, and has spoken at national conferences on topics such as patient management before and after Bariatric surgery, appendicitis in pregnancy, and management of gallbladder and biliary tract disease. You can learn more about his bariatric surgery practice by following this link.

Dr. Andrew has a 5 year old daughter Alise. He is interested in technology and innovation, including robotics, electronics, and web design. He is a sport enthusiast with special interest in rugby, football and weightlifting. He is also interested in music and is classically trained in piano.

Dr. Brandon Andrew

Dr. Geoffrey Roelant

Dr. Roelant, MD obtained his Medical Degree from the University of Maryland School of Medicine and performed his General Surgery Residency at The Ohio State University Medical Center in Columbus, Ohio. He joined the Evergreen Surgical team in August of 2019. His skills encompass all aspects of general surgery including open, laparoscopic and robotic surgery; including abdominal surgery and complex hernia repair.

He is board certified in General Surgery by the American Board of Surgery, is a Fellow of the American College of Surgeons, and is a certified Advanced Trauma Life Support (ATLS) instructor.

He is certified in DaVinci Robotic General , Bariatric, Hernia, and Colorectal Surgery.

His surgical philosophy stresses continuing advancement of surgical care including adopting new surgical techniques and improvements in perioperative care.

He is married and has five children.

Dr. Geoffrey Roelant

Dr. Martin Asplund

Dr. Martin Asplund, MD obtained his medical degree from University of Medicine and Health Science—St. Kitts. He completed his General Surgery Residency at Wellspan York Hospital in Pennsylvania. York Hospital is a busy Level 1 Trauma Center and tertiary referral center in south central PA.   

His surgical interests include complex hernia, gallbladder, appendix, skin and soft tissue, endocrine, colon, rectum, reflux and foregut surgery.  He was awarded the “Gilmore Rothrock Award in Recognition of the Chief Resident with the Most Gifted Hands” 2022, and has published research papers in the use of PTH in Parathyroid Surgery and Intraoperative Nerve Monitoring for Thyroid Surgery.

Dr. Asplund grew up in Northern Wisconsin with his two brothers. His grandfather was a primary care doctor in Bloomer for many years, simply known by the name “Doc”. His father was a well respected general and vascular surgeon in Wausau.

He has a loving family, a three year old daughter and a baby boy on the way. When he not in the office, you may find him, playing soccer, canoeing, hiking, boating, skiing, or just enjoying the Northwoods with his border collie and Irish wolfhound.

Dr. Martin Asplund