Our Providers

pediatrician in east portland

Kamela (Kami) Stilwell, M.D. FAAP

Kamela (Kami) Stilwell, MD FAAP, joined East Portland Pediatric Clinic in 2000 after previously practicing pediatrics for two years in Yakima. Raised in Aberdeen, WA, Dr. Stilwell then graduated from Pacific Lutheran University in Tacoma. She then traversed the country to receive her medical degree from Vanderbilt University in Nashville, TN. Coming back to the Northwest, Dr. Stilwell completed her pediatric residency (with an additional year as chief resident) at Oregon Health & Science University.

Dr. Stilwell and her husband Ed have three daughters. She developed a special interest in spina bifida after their youngest daughter was born with this challenge. The Stilwell family enjoys church activities, playing music, water skiing, snow shoeing, hiking, gardening, reading and traveling.

She is currently accepting new patients.

portland peditrician

Jim Coughlin, M.D. FAAP

Jim Coughlin, MD FAAP, graduated from the University of Washington School of Medicine in 2000. Dr. Coughlin completed his pediatric residency at Oregon Health & Science University in 2003. He is board certified in pediatrics and is a Fellow of the American Academy of Pediatrics.  Dr. Coughlin has practiced general pediatrics in Portland since 2003. He enjoys providing medical care and advice for patients and their parents throughout childhood and adolescence.  When not working, Dr. Coughlin enjoys being a father to his own two children and volunteering in their classrooms, reading, biking and finding new ways to enjoy the outdoors.

He is currently accepting new patients.

children's doctor in portland

Ashley [Treece] Holsen, M.D. FAAP

Ashley [Treece] Holsen, MD FAAP, joined East Portland Pediatric Clinic in 2015 after completing residency at Oregon Health & Science University in pediatrics. She is originally from Clovis, CA, received her B.S. in genetics at University of California, Irvine and her medical degree at University of California, Davis. She met her husband Jordan in Portland, which they now call home.

They now have two fun and beautiful children, who have walked Dr. Holsen through the other side of pediatrics and taught her a lot.

Along with general pediatric medicine, she has interests in newborn care, ethics, and narrative medicine. Outside of work she enjoys dancing ballet, hiking, reading, traveling (when possible) and loving on her family!

For those of you used to calling her Dr. Treece, she got married in 2017 and is now Dr. Holsen!

She is currently accepting new patients.

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Stephanie Oseguera, DNP, CPNP-AC/PC.

Stephanie Oseguera, DNP, CPNP-AC/PC, is a dual certified acute and primary care pediatric nurse practitioner who is focused on providing compassionate, comprehensive care to children and adolescents. Born and raised in Oregon, she earned both her Bachelor of Science in Nursing and Doctor of Nursing Practice - Pediatric Nurse Practitioner degrees from Oregon Health & Science University. Stephanie began her nursing career in adolescent psychiatric care before transitioning to acute care as an ICU step-down pediatric nurse. These experiences helped shape her holistic approach to pediatric care as a provider. As a native Spanish speaker, Stephanie is deeply committed to promoting health literacy and ensuring her patients and their families feel empowered, informed and involved in their care. Her goal is to support children throughout every stage of development with empathy, education and advocacy. Outside of work, Stephanie enjoys spending quality time with her loved ones, reading, baking and exploring all the nature Oregon has to offer.

She is currently accepting new patients.

east portland pediatrician

Sharlene Matthieu, M.D. FAAP

Dr. ​Matthieu's ​husband, ​Eric, ​is ​a ​stay-at-home ​dad ​who ​helps ​keep ​her ​sane, ​takes ​care ​of ​their ​three ​children, ​including ​one ​with ​multiple ​disabilities, ​and ​curates ​some ​amazing ​live-planted ​aquariums. ​Together, ​they ​like ​to ​spend ​their ​free ​time ​hanging ​out ​with ​their ​kids ​and ​cooking ​Italian ​food. ​While ​Dr. ​Matthieu ​enjoys ​her ​busy ​schedule ​and ​even ​busier ​kids, ​she ​does ​long ​for ​the ​days ​when ​she ​could ​actually ​finish ​a ​knitting ​project.

Dr. ​Matthieu ​believes ​that ​every ​parent, ​child, ​and ​adolescent ​is ​doing ​the ​best ​they ​can, ​and ​are ​able ​to ​thrive ​when ​supported. ​She ​has ​a ​passion ​for ​supporting ​children ​and ​teens ​in ​managing ​their ​mental ​health. ​Dr. ​Matthieu ​provides ​COVID ​conscious ​care ​and ​masks ​with ​all ​patients. ​

Her ​patient ​panel ​is ​currently ​full.