William Lewis, M.D.

William R. Lewis, M.D.



Cardiovascular Medicine

Internal Medicine


Internal Medicine


  • Clinical Professor of Internal Medicine
To see if William R. Lewis is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).

Lawrence J. Ellison Ambulatory Care Center

4860 Y St., Suite 0200
Sacramento, CA 95817
Driving Directions

Primary Phone:

Additional Phone Numbers

Physician Referrals: 916-916--734-5678

Clinical Interests

William R. Lewis' study of immediate exercise treadmill testing of chest pain patients in the emergency room has shown the safety and efficacy of this care pathway. He continues to be interested in appropriateness and accuracy of stress testing in selected populations.


Cardiovascular Medicine

Center/Program Affiliation

Cardiovascular Services


M.D., Duke University School of Medicine, Durham, North Carolina, 1985

B.S., UC Davis, Davis, California, 1978


UC Davis Medical Center, Sacramento, California, 1987-89


UC Davis Medical Center, Sacramento, California, 1989-93

Board Certifications

American Board of Internal Medicine, 1989

American Board of Internal Medicine, Cardiovascular Disease, 1991

Professional Memberships

American College of Cardiology

California Chapter of the American College of Cardiology

Select Recent Publications

Sauve, MJ, WR Lewis, M Blankenbiller, B Rickabaugh, S Pressler. Cognitive impairments in chronic heart failure: A case controlled study. Journal of Cardiac Failure 15(1):1-10, 2009.

Karnik RS, W Lewis, P Miles, L Baker. The effect of beta-blockade on heart rate recovery following exercise stress echocardiography. Preventive Cardiology 11(1):26-28, 2008.

Lewis WR, R Ganim, R Sabapathy. Utility of stress echocardiography in identifying significant coronary artery disease in patients with left bundle-branch block. Critical Pathways in Cardiology, 6(3):127-130, 2007.

Lewis WR. Echocardiography in the evaluation of patients in chest pain units. Cardiology Clinics. Nov;23(4):531-539, 2005.

Lewis WR and EA Amsterdam. Predictive instruments, critical care pathways, algorithms, and protocols in the rapid evaluation of chest pain. Critical Pathways in Cardiology; 4:30-36, 2005.

Amsterdam EA, JD Kirk, DB Diercks, WR Lewis, SD Turnipseed. Exercise testing in chest pain units: rationale, implementation, and results. Cardiology Clinics. Nov;23(4):503-516, 2005.

Ganim RP, WR Lewis, DB Diercks, D Kirk, R Sabapathy, L Baker L, EA Amsterdam. Right precordial and posterior electrocardiographic leads do not increase detection of ischemia in low-risk patients presenting with chest pain. Cardiology. 102:100-103. 2004

Amsterdam EA, JD Kirk, DB Diercks, SD Turnipseed, and WR Lewis. Early exercise testing for risk stratification of low-risk patients in chest pain centers. Critical Pathways in Cardiology; 3(3):114-120, 2004.