Neal Wayne Fleming, M.D., Ph.D. for UC Davis Health

Neal Wayne Fleming, M.D., Ph.D.

Professor, Division of Clinical Anesthesiology

Neal Wayne Fleming is not currently accepting new patients. For assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Cardiovascular Anesthesia

Locations and Contact

Patient Support Services Building

Patient Support Services Building
4150 V St.
Sacramento, CA 95817

Get Directions

Phone: 916-734-5031

Additional Numbers

Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

As an experienced anesthesiologist, Dr. Fleming is focused on applying his expertise to shepherd patients seamlessly through the peri-operative period.

Clinical Interests

Dr. Fleming is a cardiac anesthesiologist, caring for patients with complex cardiovascular and thoracic diseases. He is also an active clinical researcher focused on advanced intra-operative monitoring and improving patient outcomes. In addition, he spearheads the departmental international medical volunteer program for faculty, resident and nurse anesthetists.

Research/Academic Interests

Dr. Fleming's research efforts are focused primarily on the development and application of advanced physiological monitoring systems to improve both short and long-term surgical patient outcomes.


Cardiovascular and Thoracic Anesthesia

Undergraduate School

B.A., Chemistry, Grinnell College, Grinnell IA 1977

Medical School

M.D., University of Kansas School of Medicine, Kansas City KS 1981

Other School

Ph.D., Pharmacology, Georgetown University, Washington DC 1989


Anesthesiology, Georgetown University Hospital, Washington DC 1982


Anesthesiology, Georgetown University School of Medicine, Washington DC 1983-1985


Cardiac Anesthesia, Georgetown University Hospital, Washington DC 1986

Selected, Sacramento Magazine’s, Top Doctors List, 2020

Vanguard Award Edwards LifeSciences, "In recognition commitment to advancing the practice of critical care medicine", 2018

Nominated and accepted into the Association of University Anesthesiologists (AUA), AUA membership is an honor. Candidate nominations must be made by an Associate Member and voted upon by all AUA members prior to admission, 2017

Distinguished Scholarly Public Service Award, University if California Davis, Davis, CA, 2011

Outstanding Resident Teaching Award, UC Davis Department of Anesthesiology & Pain Medicine, 1993, 1994, 2001, 2004, 2009

Jones JH, Fleming N. The problem with dichotomizing quality improvement measures. BMC Anesthesiol. 2022 Sep 19;22(1):297. doi:10.1186/s12871-022-01833-z. PMID:36123624.

Maheshwari K, Malhotra G, Bao X, Lahsaei P, Hand WR, Fleming NW, Ramsingh D, Treggiari MM, Sessler DI, Miller TE; Assisted Fluid Management Study Team. Assisted Fluid Management Software Guidance for Intraoperative Fluid Administration. Anesthesiology. 2021 Aug 1;135(2):273-283. doi:10.1097/ALN.0000000000003790. PMID:33901281.

Tsymbal E, Ayala S, Singh A, Applegate RL 2nd, Fleming NW. Study of early warning for desaturation provided by Oxygen Reserve Index in obese patients. J Clin Monit Comput. 2021 Aug;35(4):749-756. doi:10.1007/s10877-020-00531-w. Epub 2020 May 18. PMID:32424516.

Edlinger-Stanger M, Bernardi MH, Kovacs K, Mascha M, Neugebauer T, Böhme S, Ayoubi N, Christofi N, Garry J, Fleming N, Hiesmayr M. The effect of acute ventilation-perfusion mismatch on respiratory heat exchange in a porcine model. PLoS One. 2021 Jul 12;16(7):e0254399. doi:10.1371/journal.pone.0254399. PMID:34252138.

Shin B, Maler SA, Reddy K, Fleming NW. Use of the Hypotension Prediction Index During Cardiac Surgery. J Cardiothorac Vasc Anesth. 2021 Jun;35(6):1769-1775. doi:10.1053/j.jvca.2020.12.025. Epub 2020 Dec 21. PMID:33446404.

Jones JH, Nittur VR, Fleming N, Applegate RL 2nd. Simultaneous comparison of depth of sedation performance between SedLine and BIS during general anesthesia using custom passive interface hardware: study protocol for a prospective, non-blinded, non-randomized trial. BMC Anesthesiol. 2021 Apr 6;21(1):105. doi:10.1186/s12871-021-01326-5. PMID:33823811.

Fleming NW, Singh A, Lee L, Applegate RL 2nd. Oxygen Reserve Index: Utility as an Early Warning for Desaturation in High-Risk Surgical Patients. Anesth Analg. 2021 Mar 1;132(3):770-776. doi:10.1213/ANE.0000000000005109. PMID:32815872.

Liu H, Ji F, Peng K, Applegate RL 2nd, Fleming N. Sedation After Cardiac Surgery: Is One Drug Better Than Another? Anesth Analg. 2017 Apr;124(4):1061-1070. doi:10.1213/ANE.0000000000001588. PMID:27984229.

Kungys G, Rose DD, Fleming NW. Stroke volume variation during acute normovolemic hemodilution. Anesth Analg. 2009 Dec;109(6):1823-30. doi:10.1213/ANE.0b013e3181ba41af. PMID:19923509.

Santosa CM, Rose DD, Fleming NW. The Utility of 3D Left Atrial Volume and Mitral Flow Velocities as Guides for Acute Volume Resuscitation. Biomed Res Int. 2015;2015:697327. doi:10.1155/2015/697327. Epub 2015 Jul 7. PMID:26236733.