Convenient Access and Compassionate Cardiac Care

Mat-Su Heart is dedicated to helping you maintain a heart-healthy lifestyle by developing customized treatment plans to manage your specific care needs. Your recent heart health assessment indicated your risk level for developing cardiovascular disease. There are things you can do right now to lower your risk and protect your health. The first step is to talk with a doctor about your risk factors.

Mat-Su Heart
2490 Woodworth Loop, Suite 200
Palmer, AK 99645
1-907-861-6700

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David J. Lemons, D.O., FSCAI *

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Dr. David Lemons, DO, FSCAI is fellowship-trained in interventional cardiology and cardiovascular disease. His primary focus is interventional cardiology, and treating acute effects of coronary artery disease as well as preventative care.

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Theresa Hall MSN, RN, AG-ACNP-BC *

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Theresa Hall, MSN, R.N., AG-ACNP-BC, started her career in healthcare right after high school in rural Kentucky. Her first 10 years were on the cardiac stepdown unit, which allowed her to see firsthand the growth and development of catheter-based intervention. This treatment is now used on a daily basis with cardiac stents. She then transitioned to a cardiology office, where she learned so much from a wonderful cardiologist who was committed to staying at the cutting edge of medicine. During this time she was able to help with multiple research studies involving stents and pacemakers. After 17 years of nursing, she decided to go back to school to become a nurse practitioner. This move was motivated by her desire for more meaningful patient interactions. She also had the rewarding opportunity to teach in the nursing program at the local community college where she began her nursing education, making the experience even more fulfilling. Once she graduated, and with her children preparing to embark on their own college adventures, she sought to expand her horizons. In 2018, she embraced the opportunity to practice at a higher level in a field she is passionate about, while also enjoying the adventures that the Mat-Su Valley has to offer.

Hall's husband works through the DOD on base and both of her children have chosen to join them in this beautiful state of Alaska. She loves spending her free time hiking, fishing and camping. She has completed the Crow Pass and Resurrection Pass trails, and she hopes to tackle the Kesugi Ridge Trail soon. The family has enjoyed fishing for all five species of salmon and even a few halibut; however, grayling fishing remains her favorite. She loves getting to know her patients personally so that she can tailor their care to help them maintain their passions and enjoy the activities they love most.

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Jared Martin, NP*

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Jared Martin, NP completed his Bachelor of Science in Nursing (BSN) at Idaho State University in Pocatello Idaho. He attended University of Cincinnati OH, and received his Master of Science in Nursing (MSN). He is board certified through ANCC. Between years of study and practicing, Jared served over 21 years in the Idaho National Guard, completing two tours to Iraq and later retiring in 2017.

At Mat-Su Heart, Jared specializes in cardiovascular care, focusing on prevention, treatment, and lifestyle management. He is passionate about providing personalized care plans that address each patient's specific needs, fostering long-term health and wellness.

Jared moved to Alaska from Blackfoot, Idaho in July 2021 with his family. When he’s not working with patients, Jared loves spending time outdoors with his family mountain biking, hiking, fishing, shooting, and exploring the beauty of Alaska.

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Ryan McDonough, D.O.*

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Dr. McDonough recently joined Mat-Su Heart after six years at Alaska Heart and a distinguished 14 year career in the United States Army. He brings with him a strong commitment to clinical excellence, patient-centered care, and community-focused cardiology.

Dr. McDonough graduated from the United States Military Academy in 2001 with a Bachelor of Science in Chemistry and began his service as an intelligence officer with U.S. Army Alaska. During that time, he met and married his wife and best friend, Beth, in 2003. He earned his medical degree from Lake Erie College of Osteopathic Medicine in 2007, was promoted to Captain, and completed his Internal Medicine residency at Madigan Army Medical Center in Tacoma, Washington.

He went on to complete a Cardiovascular Medicine fellowship at Brooke Army Medical Center in San Antonio in 2013 and an Interventional Cardiology fellowship at Duke University Medical Center in 2014. Over the next five years, he served as a clinical associate professor with Texas Tech University, training physician assistant students and internal medicine residents at William Beaumont Army Medical Center in El Paso, Texas. There, he also served as Director of the Cardiac Catheterization Lab and Officer In Charge of the Cardiovascular Technician program, helping train over half of the Army's cardiovascular techs.

As a founding member of BorderRAC, Dr. McDonough helped transform emergency cardiovascular care across the El Paso region. In 2016, as Chief of Cardiology, he established the region's first structural heart program and performed El Paso's first Transcatheter Aortic Valve Replacement (TAVR).

Now at Ma-Su Heart, Dr. McDonough continues to apply his deep expertise and leadership to advancing cardiovascular care throughout Alaska. He is honored to serve the Mat-Su community and is committed to delivering the highest standard of cardiovascular care with compassion, precision, integrity, and a patient first approach.

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* Member of the Medical Staff at Mat-Su Heart.