John Boston, DO Medical Director

Dr. Boston has been practicing Internal Medicine in Alaska since August of 2004. While having his own outpatient clinic, he is also the Medical Director of most of the skilled nursing and rehab facilities in the state.

Dr. Boston is an Internal Medicine physician whose goal is “to improve the health of his patients through decreased medications while stressing education, preventative care and quality of life.” On top of his own practice, he is also active with the medical staff at Mat-Su Regional Medical Center. At Mat-Su he is currently the Chair of the Board of Trustees and was formerly the Chair of Primary Care and the former Chief of Staff. He has also been the Department Chair for the Medical/Surgical Unit and for the ICU. He is actively involved in the Air National Guard, where he is able to travel often and help people overseas. He has completed 12 humanitarian missions around the world, including Mongolia, Jordan, and the lower 48. The people he has had the opportunity to interact with on these missions, whether as a patient or fellow healthcare provider, have enriched his life beyond measure.  He has been deployed 4 times to the Middle East, which was a great privilege to interact and care for our honored soldiers. He is active in his church and has 4 children and 2 grandchildren.  He enjoys many outdoor activities, including hiking, fishing, snowboarding, and snowmachining.  Dr. Boston completed his undergraduate degree in Chemistry/Biochemistry with minors in Physics and Spanish. He graduated cum laude. He completed medical school at Des Moines University in Iowa and an Internal Medicine Residency through Michigan State University at Garden City Hospital in 2004.

Marissa Gonzalez James, GNP-BC, CFCN

Marissa is a board-certified Adult-Geriatric Primary Care Nurse Practitioner. She attended the Gerontological Nurse Practitioner program at the University of California San Francisco and graduated in 2013. She has an interest in Palliative Care and Long-Term Care settings. Her clinical work focuses on improving independence and quality of life for older adults. In addition to her primary care role, she is also a Certified Foot Care Nurse and provides diabetic and high-risk foot care. She enjoys working with patients to reduce foot pain and improve mobility.

Marissa lives in Anchorage with her family and enjoys cooking, travel, hiking and skiing.

Laura Jean-Francois, GNP-BC

Laura is originally from Michigan. She went to college at The University of Michigan, where she received a Bachelor’s of Science degree in Biology prior to returning to complete a second Bachelor’s and Master’s degree in Nursing. She gained a variety of experiences early in her nursing career as a staff nurse in Acute Physical Medicine and Rehabilitation at the University of Michigan Health System. Over the past 15 years as a Nurse Practitioner, she has had the opportunity to provide services in a variety of areas including General Surgery, Bariatric Surgery, Primary Care, Palliative Care, and Mobile Medicine. She has a passion for health education and taught Nursing students in the classroom and clinical setting at Alma College for 5 years. Her clinical interests have led to her to provide compassionate primary care services to the elderly and their families for the majority of her career. Laura lives in Anchorage with her family, and Old English Sheepdog Ezra. In her free time, she enjoys spending time with family, being outdoors, and knitting.

Nathan George, DNP

Nathan George is a Nurse Practitioner, who enjoys working with patients to improve their quality of life. He believes in preventative medicine and getting to know his patients. He has come to enjoy medicine through years of experience in oncology, hematology, emergency medicine, and urgent care. He has been abroad with trips to Honduras and Mexico to provide medical and translation services in those regions. Nathan has recently moved to Alaska from Wyoming where he grew up dairy farming. He enjoys fishing, hunting, camping, snow machining, and enjoying the outdoors. He and his wife have three children, all of which are still at home. He and his family are happy to be in Alaska, as his wife grew up in Alaska. Nathan received his baccalaureate degree in Nursing, then he completed his Doctorate as a Family Nurse Practitioner from the University of Wyoming in Laramie, Wyoming.

Wanda Sprenger, PMHNP

Wanda is a Board Certified Psychiatric Mental Health Nurse Practitioner. She received her ASN in 1984 from Dickinson State University in Dickinson North Dakota and retuned to DSU to complete her BSN in 1993. She completed her Master’s in Nursing in Psychiatric Mental Health from the University of San Diego, California. Her focus of care is minimizing the use of medication providing education on lifestyle choices. She spend most of her life in ND, seven years in California, moving to Alaska in July 2020. She has 2 adult married children, son and daughter, granddaughter and a grandchild expected in March 2023. Her interests include hiking, biking, camping, and working out.

Karen Clement, PAC

Karen Clement is a physician assistant who is passionate about preventative medicine, patient-education, and mental wellness. She strives to deliver patient-centered care and create trusting relationships with patients. Karen attended the University of Florida and graduated with a Master of Physician Assistant Studies. She received a bachelor’s degree in Health Sciences with a minor in Psychology from the University of Alaska Anchorage. While completing her baccalaureate, she worked as a chiropractic assistant and medical assistant. She was born and raised in the Mat-Su Valley and is excited to help improve the health of her community.  Karen enjoys reading, traveling, and spending time outdoors with her husband and two labradoodles.

Rob Rosentreter, FNP-BC

My name is Rob Rosentreter, and I am a Family Nurse Practitioner. I have been practicing emergency medicine since 2006, when I became a Paramedic with the Air Force. I continued my career in emergency medicine as a civilian paramedic after my contract with the military was complete. I graduated with my nursing degree in 2015 and worked as an emergency room and urgent care nurse until completing my master’s degree from Purdue Global as a family nurse practitioner. I am passionate about providing patient-centered care, evidence-based medicine, and preventive care and believe these are the foundations of any medical practice. My wife and I are happy to move to Wasilla, AK, where we are closer to family and can continue to enjoy all the opportunities that Alaska offers. We have two Labradors and enjoy our time outdoors fishing, hunting, camping, hiking, snow machining, or four-wheeling.

Morgan Brissette, DNP APRN FNP-BC

Dr. Morgan Brissette is an assistant professor at the University of Alaska Anchorage (UAA) School of Nursing with over 30 years in the field of Nursing of which 20+ years are as a practicing Family Nurse Practitioner (FNP). Her areas of expertise and interest include women’s health, chronic disease management, and geriatrics. She began her nursing career with a BSocSc (N) from the University of Natal (now KwaZulu) in South Africa in 1990. Across her career, she has focused on developing and providing access to healthcare for underserved communities, enjoyed working in rural health care both within the US and internationally while continuing to provide and promote better health care and patient outcomes. She earned her Master’s Degree and FNP from the University of Hawaii at Manoa in 1999, followed by the completion of her DNP from the University of Maryland in 2018. She continues to enjoy teaching in the graduate department at UAA and providing care to her Geriatrics clients.


Joel is an Advanced Nurse Practitioner with 13+ years of experience in Long Term Care and Transitional Care settings. He is considered an expert in Wound Care. He is well versed in Geriatric and Internal medicine. He is passionate about providing people in these settings with the care they deserve, and helping them and their families navigate the often confusing system of care. Joel has been an RN since 1993, graduated top of his class at North Country Community College in Saranac Lake, NY. He also has a Bachelor’s of Applied Science from the University of Pennsylvania. He did is NP education at Drezel University in Philadelphia and gained his Master’s Degree in Nursing and sat for his board exam for the Acute Care Nurse Practitioner in 2009. After graduating from nursing school, Joel spent 2 years in Nome, AK. He then returned to NY state and worked in the ER for 2.5 years. He then returned to AK and worked as flight nurse for Aeromed International along with working part-time in the ER at Valley Hospital in Palmer, AK. Joel loves to get out in the back country any way possible. He is a violinist/violist and loves playing classical music, and celtic fiddle music. He loves to read and be around his animals. Joel and his wife currently have 2 horses, 1 dog, 3 cats, 3 birds, and fish. He loves to build models , and has built several RC plans, and is currently working on a tall sailing ship.

Rachel Rekow, DNP APRN FNP-BC

Rachel grew up in Northern Virginia and earned her bachelor’s in Nursing at James Madison Nursing and her Master’s in Nursing at George Mason University. She moved to Alaska in 2020 on a whim and now she never wants to leave. She has been working in healthcare since 2016 and has worked in a variety of settings to include mental health, pediatrics, and family practice. In her spare time Rachel enjoys exploring all that Alaska has to offer. Her favorite activities include dip netting, berry picking, white water rafting, kayaking, ice climbing, glacier exploration, hiking with her husband and golden retriever.

Candice Faria, FNP

Candice Faria is a Family Nurse Practitioner dedicated to improving patient outcomes through education, preventive care, patient collaborative care. She received her Bachelor of Science in Nursing from the University of Alaska Anchorage and upon graduation worked in outpatient oncology as an infusion nurse. She obtained her Master of Science in Nursing also from the University of Alaska Anchorage specializing as a Family Nurse Practitioner. She has practiced in primary care, outpatient medical oncology, and hematology. She served as the president of the Alaska Nurse Practitioner Society and as the secretary of the Denali Oncology Nursing Society. During her undergraduate education, she was awarded the Spirit of Nursing award and received the Evidence-Based Practice award during her graduate education. Candice has lived in Anchorage area for over 30 years. In her free time, she enjoys playing hockey, gardening, reading, fostering cats and dogs, and spending time with her husband, two Belgian Malinois, and four cats.