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UC Davis Health System

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

Clinical Interests

Dr. Richards' research interests include ultrasound, treatment of stimulant and ethanol toxicity, and overcrowding solutions in the emergency department.




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 CA 1989-1993
B.A., UC Berkeley, Berkeley CA 1989


University of California, Davis, Medical Center , Sacramento CA 1993-1996

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, Farias VF, Clingan CS. Association of leukocytosis with amphetamine and cocaine use. Scientific World Journal. 2014 Jan 22;2014:207651.

Richards JR, Lange RA. Labetalol and cardiovascular consequences of cocaine use. Trends Cardiovasc Med. 2015 May 11.

Richards JR, Gaylor KA, Pilgrim AJ. Comparison of traditional otoscope to iPhone otoscope in the pediatric ED. Am J Emerg Med. 2015 Aug;33(8):1089-92.

van der Linden N, van der Linden MC, Richards JR, Derlet RW, Grootendorst DC, van den Brand CL. Effects of emergency department crowding on the delivery of timely care in an inner-city hospital in the Netherlands. Eur J Emerg Med. 2015 Mar 31.

Richards JR, Albertson TE, Derlet RW, Lange RA, Olson KR, Horowitz BZ. Treatment of toxicity from amphetamines, related derivatives, and analogues: a systematic clinical review. Drug Alcohol Depend. 2015 May 1;150:1-13.

Richards JR, Laurin EG, Albertson TE. Beta-blocker use for toxicity from "bath salts". J Emerg Med. 2015 Feb;48(2):e45-6.

Richards JR, Derlet RW. Beta-blocker and antipsychotic treatment of toxicity from so-called designer drugs. Pharmacotherapy. 2014 Aug;34(8):e159-60.

Derlet RW, McNamara RM, Kazzi AA, Richards JR. Emergency department crowding and loss of medical licensure: a new risk of patient care in hallways. West J Emerg Med. 2014 Mar;15(2):137-41.

Pulliam BC, Liao MY, Geissler TM, Richards JR. Comparison between emergency department and inpatient nurses' perceptions of boarding of admitted patients. West J Emerg Med. 2013 Mar;14(2):90-5.

Richards JR, Rockford RE. Low-dose ketamine analgesia: patient and physician experience in the ED. Am J Emerg Med. 2013 Feb;31(2):390-4.

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).