Chowdhury, M.D.
Internal Medicine

Mustaquim F.
Chowdhury, M.D.
Internal Medicine

Ronald G.
Pausig, M.D.
Internal Medicine

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.

Mustaquim Chowdhury, M.D., is a board-certified internal-medicine physician with professional interests in infectious diseases and preventive medicine.   He is native to Bangladesh, where he earned his medical degree at Dhaka Medical College, University of Dhaka.  

In his home country, he worked as a primary-care physician, gaining experience in many areas of clinical medicine.   After moving to the U.S., he earned a master's degree in public health from the Department of Epidemiology and Biostatistics at the University of Massachusetts in Amherst, and then went on to complete an internal medicine residency at Mercy Catholic Medical Center in Philadelphia.  

He moved to Oregon in 2000 and opened a private practice in Aloha, which he moved to Hillsboro in 2002.

Ronald Pausig, M.D., is a board-certified internal medicine specialist who has practiced in Hillsboro since 1981.   He earned his medical degree at the University of Cincinnati Medical School in 1978.   He went on to complete his internship at Legacy Good Samaritan Hospital & Medical Center in Portland, followed by his residency at Providence Portland Medical Center.  

Dr. Pausig operated his own local practice for 20 years before joining The Family Clinic in Hillsboro in 2001.   He has more than two decades of expertise in diagnosing and treating diseases that affect all organ systems.   His practice philosophy is based on establishing close relationships with his patients, and to always be available for them.  

Dr. Pausig's wife is a local elementary-school music teacher, and his adult daughter is an aspiring theater costume designer who lives in Chicago.   His other "loves" include golf, wine, food, music, and the arts.  He actively supports many local live theaters and dance companies.   Dr. Pausig joined Hillsboro Internal Medicine in 2006.

Magnuson, M.D.
Family Practice

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.

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