Paul Gregory Kreis, M.D.

Clinical Professor Emeritus, Department of Anesthesiology and Pain Medicine

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




Pain Medicine


Locations and Contact

4150 V St.
Sacramento, CA 95817

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Additional Numbers

Clinic Fax


Physician Referrals

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

Clinical Interests

Dr. Kreis has a special interest in spinal injections, including selective nerve root blocks, sympathetic blockade, radiofrequency ablation, facet injections and discography.


Pain Medicine

Center/Program Affiliation

Spine Center

Undergraduate School

B.S., Biology, Chemistry, Lewis & Clark College, Portland OR 1977

Medical School

M.D., UC San Diego School of Medicine, La Jolla CA 1982


Internal Medicine, UCLA Harbor Medical Center, Torrance CA 1982-1983


Anesthesiology, UCLA Harbor Medical Center, Torrance CA 1984-1986


Pain Medicine, UC Davis Medical Center, Sacramento CA 1997-1998

Lifetime Achievement Award, UC Davis Division of Pain Medicine, 2014

EMR Hospital & Specialty Physician Champion of the Year, 2014

Recognition of Extraordinary Service to UC Davis Division of Pain Medicine, 2013

Outstanding Teacher of the Year, UC Davis Pain Management Center, 2002, 2007

Gilson AM, Kreis PG. The burden of the nonmedical use of prescription opioid analgesics. Pain Med. 2009 Jul;10 Suppl 2:S89-100. doi:10.1111/j.1526-4637.2009.00668.x. PMID:19691688.

Kreis PG, Fishman SM, Chau K. Impact to spinal cord stimulator lead integrity with direct suture loop ties. Pain Med. 2009 Apr;10(3):495-500. doi:10.1111/j.1526-4637.2009.00569.x. Epub 2009 Feb 25. PMID:19254333.

Navani A, Mahajan G, Kreis P, Fishman SM. A case of pulsed radiofrequency lesioning for occipital neuralgia. Pain Med. 2006 Sep-Oct;7(5):453-6. doi:10.1111/j.1526-4637.2006.00217.x. PMID:17014606.

Beck PV, G Mahajan, BL Wilsey, PG Kreis and SM Fishman. Fluoroscopic and electromyographic guided injection of the piriformis muscle with botulinum toxin type B. Pain Medicine. 2003;3(2):179.

Navani A, G Mahajan, P Kreis and SM Fishman. The role of gadolinium in interventional pain management as an alternative to iodinated contrast agents. Pain Medicine. 2003;4(1):111. 

Kreis PG, Fishman SM. Spinal Cord Stimulation, Oxford University Press, New York. 2009.

Chen FA, Fishman SM, Kreis PG. The opioid contract. Smith HS (ed). Pain and Chemical Dependency, Oxford University Press. 2006.