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Meet Our Team

The Sanford Broadway Clinic welcomes a head and neck surgeon from Sioux Falls into its clinic on a weekly basis. The clinic boasts a dedicated Head and Neck Cancer Nurse Practitioner and several otolaryngologists. Fargo also provides radiation oncology and medical oncology services at the Roger Maris Cancer Center.

Andrew Terrell, MD

Head and Neck Specialist and Surgeon
Dr. Terrell’s goal is to provide a cure for each cancer patient while minimizing the side effects of treatment. He pays very close attention to patients’ needs because he understands that each person presents with unique symptoms and challenges. He aims to provide his patients with the best possible outcome and quality of life. Dr. Terrell attended medical school at Indiana University in Bloomington.

He completed his residency in otolaryngology and head and neck surgery at West Virginia University, and is fellowship-trained in head and neck oncology and microvascular reconstruction at the University of Pennsylvania.  

Dr. Terrell is board certified by the American Board of Otolaryngology and has published eight scientific journal articles. By researching the functional outcomes of his patients, Dr. Terrell hopes to provide an improved quality of life for all head and neck cancer patients. He is an expert in head and neck tumors, mouth and throat tumors, microvascular reconstruction, transoral robotic surgery, thyroid and parathyroid tumors and skull base tumors.

Dr. Terrell is married, has three wonderful children, and enjoys spending time with his family. In his spare time, he also enjoys camping, hiking and sports.


Lisa Moen, CNP

Certified Nurse Practitioner

Lisa specializes in head and neck cancer care at our Fargo, N.D. location. She completed her undergraduate studies at Presentation College in Aberdeen, SD, and attended graduate school at University of Cincinnati. Lisa is certified by the American Academy of Nurse Practitioners - Family. 

She focuses on patient education and promoting healthy lifestyle choices. She believes that her patients should never stop asking questions along their journey and they should always continue to learn more about their health. 

Lisa and her husband have two children and she also enjoys reading, traveling, and crafts. 


Mark Gitau, MD

Medical Oncology

Dr. Gitau is a medical oncologist and hematologist at our Fargo, N.D. location.  He attended medical school at University of Nairobi Medical School in Kenya and then completed his residency in internal medicine and his fellowship in hematology and oncology at University of Missouri in Kansas City, Mo.

Dr. Gitau is board certified by the American Board of Internal Medicine: Oncology and the American Board of Internal Medicine: Hematology. Dr. Gitau is married with children and enjoys spending time with his family and friends.


Louis Geeraerts, MD

Medical Oncology

Dr. Geeraerts graduated from medical school at Free University of Brussels in Belgium.  He completed his Internal Medicine residency and his Hematology/Oncology fellowship at Winthrop University Hospital in Mineola, NY.  He also completed a fellowship in Hematology at Presbyterian Hospital in New York, NY.  Dr. Geeaerts is board certified by the American Board of Internal Medicine: Oncology.

Dr. Geeraerts is married and has seven children. He speaks French and Dutch and enjoys listening to music in his spare time.


Ash Jensen, MD

Radiation Oncology

Dr. Jensen strives to give each patient the same level of compassionate attention and quality care he would want a member of his own family to receive in a similar situation. 

Dr. Jensen received his doctor of medicine and completed his residency in radiation oncology from Mayo Clinic & Graduate School in Rochester, Minn.. He completed an internship at Gundersen Lutheran Medical Center in La Crosse, Wis., and is board certified by the American Board of Radiology: Radiation Oncology. 

Dr. Jensen has authored 12 original research publications regarding radiation treatment of brain, head and neck disease sites. He is an active co-investigator in national and institutional clinical trial protocols and has been a staff physician at Roger Maris Cancer Center since 2011. He is an expert in high dose rate brachytherapy, stereotactic ablative radiation therapy, and radiation treatment of head and neck cancers, gynecologic cancer, and genitourinary disease. He was awarded the American Brachytherapy Society Fellowship in 2011 and the Roentgen Resident Research Award in 2010. 

Dr. Jensen is married and has three children. His preferred pastime is playing games with family and friends. He also enjoys dabbling in entomology, enology and foreign culture.


Ian Lalich, MD

Ear, Nose and Throat

Dr. Lalich’s goal as a physician is to educate the patient on their disease process and help them understand their options for treatment. He works together with patients to formulate a plan of care that the patient understands and that conforms to their ideology. 

Dr. Lalich graduated from the University of North Dakota  in Grand Forks, ND, and completed his residency in Otolaryngology at Mayo Clinic in Rochester, MN.  He is board certified by the American Board of Otolaryngology. 

Dr. Lalich enjoys spending time with his family when not at work. He is an avid marathon runner. Additionally, he likes playing and watching ice hockey. Dr. Lalich enjoys watching college and professional football. He also plays several instruments including drums and guitar.


Matthew Miller, MD

Ear, Nose and Throat

Hearing and balance are such an integral part of daily living and communicating with others. Dr. Miller works with a multidisciplinary team to help patients and families decrease or even eliminate hearing and balance concerns.

Dr. Miller graduated from University of Minnesota Medical School in Minneapolis, MN and completed his residency in Otolaryngology and internship in General Surgery at Oregon Health Science University in Portland, OR.  He completed a fellowship in Otology, Neurotology, and Skull Base Surgery at Johns Hopkins University School of Medicine in Baltimore, MD.  He is board certified by the American Board of Otolaryngology and the American Board of Otolaryngology: Neurotology.

Most of Matthew’s time outside of work is spent with his family. He is married with two young children. Dr. Miller has two brothers, a sister, and a lot of nieces and nephews in Fargo. He is a sports enthusiast and really enjoys local sporting events. He likes to play racquetball, tennis, basketball, and goes snowboarding. Matthew also likes to cook some nice meals when he gets the chance.


Brent Nichols, MD

Ear, Nose and Throat

There are many options available to diagnose and treat ENT health concerns. Dr. Nichols’ primary goal is to help patients navigate these options. This starts with listening and learning what is important to the individual patient and then developing a plan together that meets their individual needs. 

Dr. Nichols graduated from the University of Iowa College of Medicine in Iowa City, IA, and completed his residency in otolaryngology at the Medical College of Wisconsin in Milwaukee, WI.

Dr. Nichols is married to an internal medicine physician and has a son. Music has always been very important to Dr. Nichols. He met his wife playing music together, and they continue to enjoy playing music together and listening to a wide variety of music. They also love traveling around the country to visit family and friends.

Dr. Nichols became interested in health care because both of his grandmothers and his mother were nurses. He wanted to care for patients like they did, and ultimately chose to pursue a career in medicine.