Say Hello to our
Physicians and Staff
You may become a patient by making an appointment yourself or through a physician’s referral. We also welcome the opportunity to provide second opinions.
Our Doctors
At Midnight Sun Oncology, we provide excellent, personalized care for people with cancer and blood disorders who live in the Mat-Su Valley. As Mat-Su Valley residents, our doctors know and work closely with your referring doctors. We are right here in the Mat-Su Valley for you.
Dr. Larry Lawson, MD
Board Certified Oncologist
Dr. Colleen Kersgard, MD
Board Certified Hematologist/Oncologist
Dr. Kersgard earned her Bachelor’s degree in Aerospace Engineering from the University of Colorado, Boulder, and her Medical degree from the Uniformed Services University in Bethesda, MD. She completed her Internal Medicine residency and Hematology/Oncology fellowship at Wilford Hall Medical Center in San Antonio, Texas. She recently retired from the United States Air Force after 25 years of service. She is board-certified in Internal Medicine, Hematology, and Oncology. She loves to exercise, read, bake, and adventure with her husband, Jason, and her labradoodle, Stanley.
Our Nursing Staff
We want every patient and caregiver to feel welcomed and know that when they come to MSO for care we become a part of the support system.
Jessica Tuomi, RN, BSN, OCN
RN Infusion Nurse
Jessica was born and raised here in Palmer. After graduating from high school, she moved to South Dakota on a soccer scholarship and attended nursing school. She has worked with oncology patients since 2009 and obtained her oncology certification in 2012. She enjoys spending time with family and friends and all the outdoor activities that Alaska has to offer.
Teri Tynan, RN, OCN
RN Infusion Nurse
Teri was raised in Anchorage, Alaska and moved to the Valley in 2003. After obtaining her bachelor’s degree in nursing from UAA in 2009, Teri worked as an inpatient bedside nurse until 2012 when she joined the team at Midnight Sun Oncology. She has been a nationally certified oncology nurse since 2015 and finds her work with oncology patients very fulfilling. Teri has two rambunctious boys that keep her busy between sports, school and general mayhem. They enjoy getting outside, camping, bonfires, and spending time with life long friends.
Jenni Nelson, RN, BSN, OCN
RN Infusion Nurse
Jenni was raised in Alaska before moving overseas and graduating high school in Nairobi, Kenya. She attended nursing school in Texas and graduated in 2013. She has worked at both inpatient and outpatient oncology units, as well as palliative care and hospice, both in Missouri and as a volunteer nurse on a hospital ship in West Africa. Jenni joined Midnight Sun Oncology in 2020. When not at work, she enjoys spending time with her nieces and nephews, hiking, cross-country skiing, learning to knit, and volunteering at church. Jenni also enjoys traveling and is an avid stamp collector… in her passport.
Lisa Goldsmith, RN, BSN
RN Infusion Nurse
Lisa was born in Chicago but raised in a small town in northern Indiana. She graduated from nursing school from Goshen College in 2011 with her BSN. She moved to Palmer in 2021 to be near family after living in Florida for seven years. Lisa has been an oncology nurse since the beginning of her career and feels it is her passion to serve this population of patients. She has three grown boys and has been married for 29 years. She enjoys spending time with family and friends during her off time away from work.
Our Support Staff
We want every patient and caregiver to feel welcomed and know that when they come to MSO for care we become a part of the support system.
Amy Yochum
Lab Manager/Phlebotomist
Amy runs the lab here at Midnight Sun Oncology. She and her husband moved to Alaska from Idaho 15 years ago and have loved it ever since. Together they have two beautiful daughters, Olive (9) and Eleanor (5). Amy loves what she does at Midnight Sun and she hopes to make a difference in the lives of her patients and their families, as they have a large impact on hers.
Melissa Morgan, NCMA
Certified Medical Assistant
Melissa has worked at Midnight Sun Oncology since 2015. She and her husband are raising 3 wonderful kids in the Mat-Su Valley. She loves working at Midnight Sun Oncology with her outstanding co-workers. The highlight of her job is getting to care for & interact with our patients and their families.
Megan Orrell
Front Desk Reception
Megan joined Midnight Sun Oncology in November 2022 as a front desk receptionist. She was born in Anchorage and grew up in Wasilla. She and her husband have four daughters and enjoy spending family time at their remote cabin in the summer and winter months amongst the many other places Alaska has to offer. Megan‘s favorite aspects of her job are interacting with our patients, their families and the camaraderie amongst her coworkers.
Jenni Martin
Front Desk Reception/Medical Assistant
Jenni has been working in the medical field for over 8 years. Raised in the beautiful town of Palmer. At Midnight Sun Oncology, she works at the front desk and as medical assistant. She and her husband have two feisty daughters that she loves to spend time with. She enjoys the Alaska summers with camping, ATVing and hiking. She loves that with her job she is able to help people even if it is just with a friendly smile.
Our Administration Staff
We want every patient and caregiver to feel welcomed and know that when they come to MSO for care we become a part of the support system.
Corinne Zehnder
Office Manager/Scribe
Corinne worked as a medical transcriptionist for many years at her home office until becoming the office Scribe and manager at Midnight Sun Oncology. What she loves most about working in this position is interacting with and getting to know patients and their families. In her free time, she and her husband Rob enjoy spending time fishing, boating, camping, four-wheeling, and snowmachining with their kids and dogs.
Midnight Sun Oncology
Monday – Thursday 8 am – 5pm | Friday – 8am – 4pm
Mat-Su Regional Medical Center Plaza I – 2490 S. Woodworth Loop #499 Palmer, AK 99645
Make an Appointment at (907) 746-7771
Fax: (907) 746-7798