Our Providers

John Naylor, MD, President ACA

Dr. John Naylor graduated medical school at Tulane University and completed his residency at the University of Washington. He joined Anesthesia Care Associates in 2007 and is the current President of ACA. He is married with 2 children. He enjoys spending his free time with family and being outdoors.

Ben Marvin, MD, Vice President ACA

Dr. Ben Marvin holds a Medical Doctorate from University of Colorado (2007), a B.S in Biochemistry from Colorado State University (2003), and also minored in Chemistry while attending Colorado State University. He did his Internship and residency at the Mayo Clinic Rochester from 2008-2011. He enjoys backpacking, cycling, hiking, and Nordic skiing.

Chi Dau, MD, Vice President ACA

Dr. Chi Dau graduated from University of Texas Health Science Center Medical School and completed her anesthesia residency at the University of Washington. She specializes in anesthesiology. She joined Anesthesia Care Associates in 2008. She is married with 4 children.

Dan Beistline, MD

Dr. Dan Beistline graduated from University of Nevada School of Medicine in 2006, He also holds a M.S in Medical Science from Barry University in 2002, and a B.S in Biology from the University of Alaska in 2002. He enjoys fishing, hunting, snowmobiling, scouting, and traveling.

Brian Larson, MD

Dr. Brian Larson graduated from Uniformed Services University of Health Sciences in 2005 and completed his anesthesia residency at San Antonio Uniformed Services Health Education Consortium in 2009. He was then a staff Anesthesiologist at Joint Base Elmendorf-Richardson from 2009 to 2016 with two tours of duty in Afghanistan. Brian joined Anesthesia Care Associates in 2015. He is married with 4 children and enjoys fishing, hiking, gardening and landscape projects.

David Mosteller, MD

Dr. David Mosteller graduated from Uniformed Services University in May 2006. He completed his anesthesia residency at Wilford Hall Medical Center graduating in 2010. David has worked part-time with Anesthesia Care Associates since 2014 and joined the group full time in 2017. He is married with 4 children and enjoys music, basketball, running and hunting.

Scott Roissing, DO

Dr. Scott Roissing graduated from Des Moines University and Osteopathic Medical Center and did his residency at Baystate Medical Center Tufts University Hospital. He has lived in Alaska since 2007 working in private practice. He joined Anesthesia Care Associates in 2018. Scott is married with twin girls. He enjoys spending time with his family, kayaking, hiking, biking and playing with 3D printers.

Jill Klein, MD

Dr. Klein received a BS in chemical engineering from the University of Virginia and an MD from Emory University School of Medicine. She then completed her anesthesiology residency at the University of Pennsylvania. She enjoys spending time with family and outdoor activities including rock climbing, hiking, kayaking and skiing.

Kipp Voth, MD

Dr. Kipp Voth graduated from Pittsburg State University with a B.S in Biochemistry in 2010. He also holds a medical degree from John Hopkins University School of Medicine completed in 2014. He started his residency with the Mayo Clinic Anesthesiology in 2015 and joined Anesthesia Care Associates in 2018.

Fernando Tovar, MD

Dr. Fernando Tovar graduated from the Uniformed Services University of the Health Science in 2008 with his Medical Degree, he also holds a B.S in Zoology and Human Biology from Brigham Young University in 2003. He lives in Alaska with his wife and 5 children for 9 years, he enjoys rock climbing, mountain climbing, biking, hiking, and camping.

Peter Lunoe, MD

Dr. Peter Lunoe graduated from University of Washington School of Medicine in 2007 and completed his residency at University of Utah Anesthesia Department 2011. He joined Anesthesia Care Associates in 2021 after working ten years at Providence Hospital in Anchorage. His anesthesia interests include regional anesthesia and acute pain management. Outside of work he enjoys venturing into Alaska’s unparalleled playground with his family hiking, biking, skiing and flying.

John Thiel, CRNA

John Thiel graduated from Medical University of South Carolina with a Masters of Health Science in Nurse Anesthesia. John moved to Alaska in 2013 to join Anesthesia Care Associates. In his free time John enjoys windsurfing, snow machining, riding dirt bikes, SCUBA diving and traveling to third world countries for medical missions.

Sonja Sena-Cary, CRNA
Stephen Carpenter, CRNA

Stephen graduated from Wolford College of Anesthesia in 2012. Stephen moved to Alaska in 2016 and joined Anesthesia Care Associates. He is fluent in Spanish and enjoys volunteering.

Jeremy Taysom, CRNA

Jeremy received his Master of Science and Nurse Anesthesia degrees from Wolford College in 2012. He moved to Alaska in 2016 and joined Anesthesia Care Associates. Jeremy is married with 6 children and enjoys spending time with his family, camping and hunting.

Marissa Knotts, CRNA

Marissa received her Master of Science Nurse Anesthesia from UNCG/Raleigh School of Anesthesia in 2015. She moved to Alaska and joined Anesthesia Care Associates in 2017. She is married and enjoys reading, gardening, and traveling. Marissa also served in the Army Nurse Corps.

Susan Conley, CRNA

Susan graduated from George Washington University and Fairfax Hospital School of Anesthesia in 1982. She has 2 children. Susan joined Anesthesia Care Associates in 2018. Susan enjoys hiking, skiing, cooking and rowing.

Michelle Allen, CRNA
Mary Kate Brian, CRNA

Mary Kate earned her Doctorate in Nurse Anesthesia Practice from Texas Wesleyan University in 2015 and her master’s degree from the US Army Graduate Program in Anesthesia Nursing in 2005. After her retirement from the Army Nurse Corps in 2017 she worked in a variety of practice settings. Following her husband’s Army retirement in 2021, guided by their spirit of adventure, they settled in Alaska with their 2 boys. She and her family love skiing, camping and exploring the outdoors.

Josh Hawkins, CRNA

Contact Us

Please fill out the form below.

For billing questions, please call our billing department at:

(503) 372-2844 and ask for Anesthesia Care Associates of Alaska or

send a fax to (503) 372-2754 with billing questions only.

If you need other assistance or need to contact our Local office, please call:

(907) 290-5784 Monday-Friday from 8:00am-4:00pm

We can also be reached by email: support@acaofalaska.com

Anesthesia Care Associates
P.O. Box 0853
Palmer, AK 99645

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