
Theodore R. Levin MD MS, FACP, FACG
Associate Director for Cancer Research
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1425 South Main StreetWalnut Creek, CA 94596
Phone+1 510-295-6548
Fax+1 925-295-4746
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Summary
- Theodore Levin, MD, is a gastroenterologist based in Walnut Creek, CA, specializing in general gastroenterology, as well as colorectal cancer screening. He completed his medical and gastroenterology training at the University of California, San Francisco, after earning his medical degree from Emory University School of Medicine. Dr. Levin has been a staff gastroenterologist at Kaiser Permanente since 2000 and serves as Professor of Health System Science at the Kaiser Permanente School of Medicine in Medicine. His research contributions include publications on gastrointestinal bleeding, fecal testing, and colorectal cancer detection. He has received accolades such as the Diablo Service Area Career of Caring Award and the Sidney Garfield Exceptional Contribution Award from TPMG. His involvement in clinical trials includes the study of colorectal cancer prevention through multiomics blood testing and the use of fecal immunochemical tests for surveillance of low risk adenomas.
Education & Training
- UC San FranciscoGastroenterology Fellowship, 1994 - 1997
- University of California (San Francisco)Residency, Internal Medicine, 1991 - 1994
- University of California (San Francisco)Internship, Internal Medicine, 1991 - 1992
- Emory University School of MedicineClass of 1991, AOA
- Georgetown UniversityMS, Physiology, 1986 - 1987
- Duke UniversityBS, Psychology, 1982 - 1986
Certifications & Licensure
- CA State Medical License 1993 - 2026
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Diablo Service Area Career of Caring Award TPMG, 2018
- Sidney Garfield Exceptional Contribution Award TPMG, 2018
- East Bay Chapter Jewel Ball Honoree American Cancer Society, 2015
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Clinical Trials
- Prevention of Colorectal Cancer Through Multiomics Blood Testing Start of enrollment: 2020 May 20
Publications & Presentations
PubMed
- 2 citationsAGA Living Clinical Practice Guideline on Computer-Aided Detection-Assisted Colonoscopy.Shahnaz Sultan, Dennis L Shung, Jennifer M Kolb, Farid Foroutan, Cesare Hassan
Gastroenterology. 2025-04-01 - Is Fecal Immunochemical Testing the Right FIT for Patients With Symptoms?Audrey H Calderwood, Theodore R Levin
Gastroenterology. 2025-04-01 - Incidence of Serious Complications following Screening Colonoscopy in Adults Ages 76 to 85 Years.Jessica Chubak, Laura E Ichikawa, Sophie A Merchant, Ronit R Dalmat, Rebecca A Ziebell
Cancer Epidemiology, Biomarkers & Prevention. 2025-02-06
Journal Articles
- Long-Term Risk of Colorectal Cancer and Related Deaths After a Colonoscopy with Normal FindingsJeffrey K Lee, Douglas A Corley, Theodore R Levin, Joanne E Schottinger, Chyke A Doubeni, JAMA
- Influence of Varying Quantitative Fecal Immunochemical Test Positivity Thresholds on Colorectal Cancer Detection: A Community-Based Cohort StudyChyke A Doubeni, Douglas A Corley, Jeffrey K Lee, Joanne E Schottinger, Ethan Halm, Theodore R Levin, Annals of Internal Medicine
- Diagnosis and predictors of sessile serrated adenoma after educational training in a large, community-based, integrated healthcare settingLi D, Woolfrey J, Jiang SF, Jensen CD, Zhao WK, Kakar S, Santamaria M, Rumore G, Armstrong MA, Postlethwaite D, Corley DA, Levin TR, Gastrointest Endosc., 1/1/2018
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Press Mentions
- Measuring Fecal Hemoglobin Levels in Negative FIT Tests May Enhance CRC Screening StrategiesFebruary 6th, 2025
- Some Older Adults Find an Age Cutoff for Colon Cancer Screenings 'Unacceptable'—Here's Why Doctors Say It ExistsDecember 30th, 2024
- FIT Completion, Yield Rates Similar in Those Aged 45 to 49 Versus 50 YearsOctober 23rd, 2024
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Grant Support
- Optimizing Colonoscopy &Fecal Immunochemical Tests For COMMUNITY-BASED ScreeningNational Cancer Institute2011
- Insulin Resistance And Adenomas Of The ColorectumNational Cancer Institute2001–2003
- Adding New Fecal Occult Blood Tests To SigmoidoscopyNational Cancer Institute1997–2000
Professional Memberships
- Fellow
- Fellow
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