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UC Davis Health System

John R. Richards, M.D. View profile as PDF

Clinical Interests

John R. Richards has published scientific papers on topics ranging from chemical restraint in the emergency department to indications for computed tomography for blunt abdominal trauma. His research interests include ultrasound, methamphetamine abuse, alcoholism and overcrowding in emergency departments.




Emergency Medicine


Emergency Medicine


Emergency Medicine


UC Davis Medical Center
Emergency Medicine Department
2315 Stockton Blvd.
Sacramento, CA 95817
Driving Directions
Phone: 916-734-3790

Additional Phone:

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


M.D., UC Davis School of Medicine, Sacramento, California, 1989-93
B.A., UC Berkeley, Berkeley, California, 1989


University of California, Davis, Medical Center , Sacramento, California, 1993-96

Board Certifications:

American Board of Emergency Medicine, 1998

Professional Memberships:

American Academy of Emergency Medicine
Society for Academic Emergency Medicine

Select Honors and Awards:

Alpha Omega Alpha Medical Honor Society, U.C. Davis School of Medicine, 1993

Phi Beta Kappa, U.C. Berkeley, 1989

Select Recent Publications:

Richards JR: Blunt Abdominal Trauma: Current Concepts. Cyberounds 2010 (

Derlet RW, Richards JR: Ten Solutions for ED Overcrowding. Western Journal of Emergency Medicine 2008;9(1):24-27

Fessler CC, Tulleners FA, Howitt DG, Richards JR: Determination of Mouth Alcohol Using the Drager Evidential Portable Alcohol System. Science & Justice 2008;48(1):16-23

Krivoshto IN, Richards JR, Albertson TE, Derlet RW: The Toxicity of Diesel Exhaust: Implications for Primary Care. Journal of American Board of Family Medicine 2008;21(1):55-62

Lee BC, Ormsby EL, McGahan JP, Melendres GM, Richards JR: The Utility of Sonography for the Triage of Blunt Abdominal Trauma Patients to Exploratory Laparotomy. American Journal of Roentgenology 2007;188:1-7

McGahan JP, Horton S, Gerscovich EO, Gillen M, Richards JR, Cronan MS, Brock JM, Battistella F, Wisner DH, Holmes JF: Appearance of Solid Organ Injury with Contrast-enhanced Sonography in Blunt Abdominal Trauma: Preliminary Experience. American Journal of Roentgenology 2006;187(3):658-666

Wu SR, Shakibai S, McGahan JP, Richards JR: Combined Head and Abdominal Computed Tomography for Blunt Trauma: Which Patients with Minor Head Trauma Benefit Most? Emergency Radiology 2006;13(2):61-67

McGahan PJ, Richards JR, Bair AE, Rose JS: Ultrasound Detection of Blunt Urological Trauma: A Six Year Study. Injury 2005; 36(6):762-770

Ormsby EL, Geng J, McGahan JP, Richards JR: Pelvic Free Fluid: Sonographic Importance for Reproductive Age Women with Blunt Abdominal Trauma. Ultrasound in Obstetrics and Gynecology 2005;26(3):271-278

Rose JS, Richards JR, Bair AE, Battistella F, McGahan JP, Kuppermann N: The FAST is Positive, Now What? Derivation of a Clinical Decision Rule for Predicting Therapeutic Laparotomy among Adult patients with a Positive Trauma Ultrasound. Journal of Trauma 2005;29(1):15-21

To see if John R. Richards is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).