Timothy King Liem MD MBA

Oregon Health & Science University Vascular and Endovascular Surgery

3181 SW Sam Jackson Park RdDivision of Vascular Surgery Op11Portland, OR 97239
Phone+1 503-494-7593

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Education & Training

Oregon Health & Science UniversityMBA, Healthcare Management, 2010 - 2015
University of Missouri-ColumbiaFellowship, Vascular Surgery - Independent, 1995 - 1997
Kaiser Permanente Southern California (Los Angeles)Residency, Surgery, 1990 - 1995
Keck School of Medicine of the University of Southern CaliforniaClass of 1990

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A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

CA State Medical License 1992 - Present
OR State Medical License 2001 - 2027
WA State Medical License 2002 - 2009
American Board of Surgery Surgery
American Board of Surgery Vascular Surgery

Awards, Honors, & Recognition

CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2011, 2013-2017
CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory - Core EMR, Epic Systems Corporation, 2011, 2013-2017
Regional Top Doctor Castle Connolly, 2014

Publications & Presentations

PubMed

Twenty years of pediatric vascular surgery consultations and interventions at a tertiary academic center.
Tatiana K Jenkins, Gergana L Alteva, Ali B Alshawi, Kathryn W Holmes, Mubeen A Jafri
Journal of Vascular Surgery. 2026-05-01
Assessing Risk of Anterior Exposure for Anterior Lumbar Interbody Fusion in Obese Patients.
Maura Walsh, Rachel Drgastin, Cade Habel, Ali Oran, Matthew McIntyre
The Journal of Surgical Research. 2025-09-01
2 citations
Heparin-Induced Thrombocytopenia (HIT) in the Direct Oral Anticoagulants (DOAC) Era.
Reid C Mahoney, Thomas G DeLoughery, Enjae Jung, Sherene Shalhub, Timothy K Liem
Annals of Vascular Surgery. 2024-11-01

Journal Articles

Experienced Operators Achieve Superior Primary Patency and Wound Complication Rates with Endoscopic Great Saphenous Vein Harvest Compared with Open Harvest in Lower Ex...
Enjae Jung, Cherrie Abraham, Timothy Liem, Gregory Moneta, Journal of Vascular Surgery

Lectures

The Efficacy and Safety of a Catheter Removal Only Strategy for the Treatment of PICC Line Thrombosis Vs Standard of Care Anticoagulation: A Retrospective Review
2018 ASH Annual Meeting - San Diego, CA - 12/1/2018

Authored Content

Experienced Operators Achieve Superior Primary Patency and Wound Complication Rates with Endoscopic Great Saphenous Vein Harvest Compared with Open Harvest in Lower Extremity BypassesAugust 2018
PC182. Development of Duplex Ultrasound Criteria for External Carotid Artery Stenosis: Importance of Assessing Both Peak Systolic Velocity and Presence of Color AliasingMay 2018
PC182. Development of Duplex Ultrasound Criteria for External Carotid Artery Stenosis: Importance of Assessing Both Peak Systolic Velocity and Presence of Color AliasingMay 2018