Meet the providers

 Dr. Laura Peterson, M.D.

In 2008, Pediatrician, Dr. Laura Peterson, separated from active duty at then Elmendorf AFB, in Anchorage, Alaska, in order to fulfill her, and Dr. Bruce Hess’ vision of forming a pediatric clinic that would serve the children of south-central Alaska.  Dr. Peterson continued service as a flight doctor in the USAF Reserves until retiring in 2014. Dr. Peterson’s robust team has since continued to grow and provide an unsurpassed level of quality of pediatric care to the Mat-Su Valley region.

Dr.-Laura-J.-Peterson,-M.D, Ptarmigan Pediatrics, Wasilla, AK

Dr. Bruce W. Hess, D.O.

Dr. Bruce Hess separated from active duty at Elmendorf AFB to join Dr. Peterson as co-owners of Ptarmigan Pediatrics, LLC., in 2009. Like Dr. Peterson, Dr. Hess also served as a flight doctor in the Reserves. He retired in 2015 and they joined forces in opening the clinic as both pediatricians are good friends and hold similar medical philosophies of providing the highest of quality patient care. Dr. Hess hails from New Orleans and his hobbies includes collecting Batman memorabilia.

Dr. Therese Tomasoski, M.D.

Therese Tomasoski MD is a board certified pediatrician that has been working in the Valley since 2004.  She joined Ptarmigan Pediatrics in January 2015.   After graduating from Michigan State Medical School in 2001, she did her residency at MSU Kalamazoo Center for Medical Studies.  She and her family moved to Alaska from Michigan in 2004 and is proud to call the Matanuska Valley her home.  Dr. Tomasoski is the proud Mom of 3 children, including teenage twins.  She enjoys gardening, Nordic skating and fishing and hiking with her family.  Dr. T enjoys seeing all age groups from newborn to teens, managing acute and chronic conditions and helping families navigate the wonderful but sometimes bumpy road of parenting.

Dr.-Therese-Tomasoski,-M.D, Ptarmigan Pediatrics, wasilla
Dr.-Marie-Westphal,-M.D, ptarmigan pediatrics

Dr. Marie Westphal, M.D.

Dr. Marie Westphal joined our practice in March 2015 after retiring from active duty in the USAF at Joint Base Elmendorf/Richardson.  Dr. Westphal, Dr. Peterson, and Dr. Hess were all in the same residency program at Keelser AFB, Biloxi, Mississippi.

Dr. Marta Beaubien M.D.

Dr. Beaubien graduated from University of Washington and completed her pediatric training at UCSF-Fresno.  She joined Ptarmigan Pediatrics from Moses Lake, WA where she enjoyed seeing a wide variety of rural medicine patients. Dr. Beaubien is married and has 2 children. They enjoy hiking, back packing, traveling, and photography.

Dr.-Marta-Beaubien, Ptarmigan Pediatrics, Mat-Su Valley, Alaska
Randall-Twenhafel,-P.N.P., Ptarmigan Pediatrics

Randall Twenhafel, P.N.P.

Pediatric nurse practitioner, Randy Twenhafel, joined Ptarmigan Pediatrics in December 2010. Nurse Twenhafel served with distinction alongside Drs. Peterson and Hess at Elmendorf AFB Medical Center where he was often the most requested provider. His strong work ethic, excellent bed-side manner and patient care priorities help Ptarmigan Pediatrics meet the immediate needs of a growing patient population.

Janet Shelley, F.N.P.

Bio coming soon.

Jen Thomas, Ptarmigan Pediatrics, Wasilla Alaska

Jenni Thomas, MSN, CPNP, IBCLC

Jenni graduated with a Bachelor of Science in Nursing from California State University, Chico, and a Master of Science in Nursing with honors from the University of Virginia.  She joined Ptarmigan Pediatrics in January 2018 after retiring from nearly 22 years active duty in the United States Air Force.   Jenni chose this community as her forever home specifically to work with her former active duty colleagues Dr. Peterson, Dr. Hess, and Randy Twenhafel.  Jenni is a board certified Pediatiric Nurse Practitioner and International Board Certified Lactation Consultant.  She believes strongly in effective parent and pediatric provider partnerships to further the health of children.  Outside of work, Jenni enjoys time with her family and dog, participating in activities such as K9 nosework and hiking.

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