Please click on the photos below for more information about each of our physicians.

Masuma
Chowdhury, M.D.
Internal Medicine

Alan
Compton, M.D.
Family Practice

Sharyl
Magnuson, M.D.
Family Practice

Joshua
Tabaldo, PsyD
Psycology

Masuma Chowdhury, M.D., is board certified in both internal medicine and geriatrics.   She earned her medical degree at Dhaka Medical College in Bangladesh where she also fulfilled an internship.   Dr. Chowdhury went on to complete an internal-medicine residency at Mercy Catholic Medical Center at Darby, Pa., followed by a fellowship in geriatric medicine at Oregon Health and Science University in Portland.  

She is available for geriatric patient evaluations for dementia, depression and functional impairment, and also provides consultation for other physicians.   Her clinical experience includes critical care, preventive medicine, and more. While living in Bangladesh, Dr. Chowdhury worked with a non-profit organization to provide medical assistance for people in need, and organized organ-donation and immunization programs throughout the country.  

She is the mother of two sons, and enjoys spending her free time with her family. Dr. Chowdhury joined Hillsboro Internal Medicine in 2007.


Alan Compton, M.D., is a board-certified family practice physician. He received a Bachelor of Science in Biomedical Studies from the University of California-Riverside and earned his medical degree from the UCLA School of Medicine.

He completed a residency and internship in family practice at the San Bernardino County Medical Center.

Dr. Compton’s previous experience includes working as an assistant clinical professor at the University of California-Riverside as well as a family practice physician at the Corona Regional Medical Center and Citrus Valley Medical Group in Southern California.

He has a special interest Electronic Medical Records systems, family practice, outpatient care, and hospice.

Dr. Compton joined Orenco Station Medical Group in 2013.


Sharyl Magnuson, M.D., is a board-certified family practice physician. A native of Oregon, she completed her undergraduate degree at the University of Oregon as well as a medical degree and internship/residency at Oregon Health & Science University in Portland.

She has a particular interest in thrombosis and has given presentations, performed research and been published on the topic.

Most recently, she worked as a hospitalist for Vibra Specialty Hospital in Portland. Prior to that, she worked in a variety of roles for Lovelace Health System in Albuquerque, N.M. for over 20 years.

She is a current member of the American Academy of Family Physicians.

Dr. Magnuson joined Hillsboro Internal Medicine in 2013.


Joshua A. Tabaldo, Psy.D., is a trained clinical psychologist who will be working with patients at Tuality Healthcare’s Hillsboro Internal Medicine and Orenco Station clinics. Tabaldo holds a bachelor of science degree in psychology from the University of Oregon and a master of science degree and doctorate in clinical psychology from Pacific University.

He comes to Tuality from Linn County Mental Health Services in Albany where he served as an adult outpatient psychologist.

He is well versed in the areas of individual therapy with adults with trauma, mood and anxiety issues. He also leads group therapy sessions that focus on mindfulness-based cognitive therapy and wellness skills.

Tabaldo joined the two Tuality clinics in April of 2014.