From the flu, pneumonia, and norovirus to MRSA and COVID-19, infectious diseases specialists study both familiar and emerging diseases caused by bacteria, viruses, fungi, and more.

Our list of top medical providers is chosen by a survey of their peers. Click here to learn more about our methodology.

Eric Chein-Yeh Chang

Top Doctor: Infectious Disease
Legacy Medical Group - Emanuel
2800 N Vancouver Ave #230 • Portland, Oregon 97227
503-413-4340

Mark Crislip

Top Doctor: Infectious Disease
Legacy Medical Group - Good Samaritan
1200 NW 23rd Ave • Portland, Oregon 97210
503-413-7074

Justin Jin

Top Doctor: Infectious Disease
Providence Infectious Disease Consultants - East
5050 NE Hoyt St #540 • Portland, Oregon 97213
503-215-6601

Peter Alexander Leahey

Top Doctor: Infectious Disease
Kaiser Permanente Interstate Medical Office - East
3550 N Interstate Ave • Portland, Oregon 97227

Andrew Leitz

Top Doctor: Infectious Disease
Kaiser Permanente Sunnybrook Medical Office
9900 SE Sunnyside Rd • Clackamas, Oregon 97015

Marissa Maier

Top Doctor: Infectious Disease
Portland VA Medical Center; OHSU
3710 SW US Veterans Road • Portland, Oregon 97239
503-220-8262

Jennifer Marfori

Top Doctor: Infectious Disease
Providence Infectious Disease Consultants - West
9155 SW Barnes Ave #638 • Portland, Oregon 97225
503-216-7000

Cristina Mondragon

Top Doctor: Infectious Disease
The Portland Clinic - Downtown
800 SW 13th Ave • Portland, Oregon 97205

Rachel Plotinsky

Top Doctor: Infectious Disease
Providence Infectious Disease Consultants - West
9155 SW Barnes Ave #638 • Portland, Oregon 97225
503-216-7000

Tobias Pusch

Top Doctor: Infectious Disease
Providence Infectious Disease Consultants - West
9155 SW Barnes Ave #638 • Portland, Oregon 97225
503-216-7000

Katie A. Sharff

Top Doctor: Infectious Disease
Kaiser Permanente Sunnybrook Medical Office
9900 SE Sunnyside Rd • Clackamas, Oregon 97015

Steven J. Spindel

Top Doctor: Infectious Disease
Kaiser Permanente Westside Medical Center
2875 NW Stucki Ave • Hillsboro, Oregon 97124

Molly S. Stenzel

Top Doctor: Infectious Disease
Kaiser Permanente Sunnybrook Medical Office
9900 SE Sunnyside Rd • Clackamas, Oregon 97015

Regina Won

Top Doctor: Infectious Disease
Legacy Mt Hood Medical Center
25050 SE Stark St • Gresham, Oregon 97030
503-413-6925