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UC Davis Vascular Center

Yung-Wei Willy Chi, D.O. View profile as PDF

Yung-Wei Willy Chi

Clinical Interests

Dr. Chi is a nationally recognized expert in vascular medicine with clinical expertise on venous, arterial and lymphatic disorders. A prolific author and researcher, he has presented his research works and lectured at major national and international conferences. His research comprises all aspects of vascular medicine, focusing on vascular ultrasound imaging, anti-thrombotic therapy, cellular based/angiogenesis therapy for peripheral arterial disease, and venous diseases and interventions. As part of the first group of board-certified phlebologists in the U.S., Dr. Chi is a regional expert in catheter-based endovenous treatment of venous disorders.


Associate Professor


Cardiovascular Medicine, Internal Medicine, Vascular and Endovascular Care



Cardiovascular Medicine


UC Davis Medical Group, Rocklin

Center/Program Affiliation:


Lawrence J. Ellison Ambulatory Care Center
Vascular Center
4860 Y St., Suite 2100
Sacramento, CA 95817
Driving Directions
Phone: 916-734-3800

UC Davis Medical Group - Folsom
251 Turn Pike Dr.
Folsom, CA 95630
Driving Directions
Phone: 916-985-9300

UC Davis Medical Group - Rocklin
550 West Ranch View Dr., Suite 2005
Rocklin, CA 95765
Driving Directions
Phone: 916-295-5700

Additional Phone:

Physician Referrals: 800-4-UCDAVIS (800-482-3284)

Other Languages:

Mandarin Chinese


D.O., Kansas City University of Medicine and Biosciences, Kansas City, Missouri, 1997
B.S., UC Irvine, Irvine, California, 1992


Cleveland Clinic Foundation, Cleveland, Ohio, 1998


Cleveland Clinic Foundation, Cleveland, Ohio, 1998


Cleveland Clinic Foundation, Cleveland, Ohio, 2001

Board Certifications:

American Board of Internal Medicine, 2000
American Board of Phlebology, 2009
American Board of Vascular Medicine, 2006

Select Honors and Awards:

Summa Cum Laude: Kansas City University of Medicine, 1997

Sigma Sigma Phi: National Honorary Osteopathic Fraternity, 1995

Psi Sigma Alpha: National Osteopathic Honor Society, 1995

Kansas City University of Medicine Anatomy Award, 1994

University of California, Irvine, Deans Honor List, 1992

Select Recent Publications:

Anil Verma, Amit Prasad, Ghassan Elkadi, Yung-Wei Chi, Peripheral Arterial Disease:Comprehensive Evaluation, Optimal Risk Factor Modification and Medical Management, J Clin Outcomes Manag. 2011 Feb; 18(2):607-615

Olusegun Osinbowale, Lobna Ali, Yung-Wei Chi. Venous Thromboembolism: A Clinical Review. Postgraduate Medicine, Volume 122, Issue 2, March 2010

Yung-Wei Chi. The Halo Sign. Doppler Digest The Journal for Vascular Ultrasound 34(3):143-144, 2010

Yung-Wei Chi, Michael R Jaff. Peripheral Artery Disease and Genetics: Is there a Cause-and-Effect Relationship? Postgraduate Medicine, Volume 22, Issue 4, July 2010

Yung-Wei Chi, Olusegun O. Osinbowale. Herpes vasculitis in Systemic Lupus erythematous. Images in Vascular Medicine. Vasc Med 2009 Nov;14(4):401-2

Yung-Wei Chi, Christopher J. White, Stanley Thornton, Richard V. Milani. Ultrasound velocity criteria for renal in-stent restenosis. J Vasc Surg. 2009 Jul;50(1):119-23

Olusegun O. Osinbowale, Yung-Wei Chi. Review of chronic venous Insufficiency. Endovascular Today. Sep. 2009

Yung-Wei Chi, Carl J Lavie, Richard V. Milani, Christopher J. White. Safety and efficacy of cilostazol in the management of intermittent claudication Vasc MedVascular Health and Risk Management. 4(6) Dec. 2008.

Chi YW, Jaff MR. Optimal risk factor modification and medical management of the patient with peripheral arterial disease Catheter Vasc MedCardiovasc Interv. 2008 Mar 1;71(4):475-89

Yung-Wei Chi, Christopher J White, T Cooper Woods Corey Goldman. Ultrasound Velocity Criteria in Carotid in-stent Restenosis Catheter Vasc MedCardiovasc Interv. 2007 Mar;69(3):349-54.

Yung-Wei Chi, Craig Ehrensing. Nutcracker Syndrome. Images in Vascular Medicine Vasc Med. 2007 Aug;12(3):251-3

To see if Yung-Wei Willy Chi is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).