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Office
632 W Gibson Rd
Woodland, CA 95695Phone+1 530-666-1631- Is this information wrong?
Education & Training
University of California Davis HealthFellowship, Gastroenterology, 2002 - 2005
University of Texas Health Science Center at HoustonResidency, Internal Medicine/Pediatrics, 1995 - 1999
University of California San Diego School of MedicineClass of 1995
Certifications & Licensure
TX State Medical License 1997 - Present
CA State Medical License 1997 - 2025
HI State Medical License 1998 - 1998- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- 25 citationsBiliary stricture caused by portal biliopathy: diagnosis by EUS with Doppler USJason L. Umphress, Shiro Urayama> ;Gastrointestinal Endoscopy. 2004 Dec 1
- 4 citationsA membrane-bound protein kinase from rabbit reticulocytes is an active form of multipotential S6 kinase.Eric S. Bensen, Jason L. Umphress, Jolinda A. Traugh, Lorenzo A. Pinna, Polygena T. Tuazon> ;Biochimica Et Biophysica Acta. 1996 Feb 8
- 24 citationsDeterminants on simian virus 40 large T antigen are important for recognition and phosphorylation by casein kinase I.Jason L. Umphress, Polygena T. Tuazon, Charng-Jui Chen, Jolinda A. Traugh> ;European Journal of Biochemistry. 1992 Jan 1
Hospital Affiliations
Mercy General HospitalSacramento, California- Woodland Memorial HospitalWoodland, California
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