Thomas Jeffrey Ferguson, Ph.D., M.D.


Internal Medicine

Occupational and Environmental Medicine

Medical Toxicology


  • Associate Clinical Professor, Internal Medicine and Public Health (VCF)


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

Cowell Student Health Center

One Shields Ave.
Davis, CA 95616
Driving Directions

Primary Phone:

Additional Phone Numbers

Clinic Phone: 530-752-5277
Physician Referrals: 800-4-UCDAVIS (800-482-3284)

Clinical Interests

Dr. Ferguson is an occupational medicine specialist who sees patients on campus at the Occupational Medicine Clinic on part - time basis. He has board certification in Internal Medicine, Occupational Medicine and Medical Toxicology. He is a voluntary clinical faculty member and participates in teaching undergraduate classes as well as medical students in areas of public health.


Public Health Sciences

Center/Program Affiliation

Cowell Student Health Center, UC Davis Campus


M.D., UC Davis School of Medicine, Sacramento CA 1987

M.S., Public Health, UCLA, Los Angeles CA 1979

Ph.D., Public Health, UCLA, Los Angeles CA 1983

B.S., Zoology, Humboldt State University, Arcata CA 1976

Internship: Internal Medicine, UC Davis, Sacramento CA 1987


Internal Medicine, UC Davis, Sacramento CA 1987-1990


Medical Toxicology, UC Davis, Sacramento CA 1992-1994

Occupational Medicine, UC Davis, Sacramento CA 1990-1992

Board Certifications

American Board of Internal Medicine,

American Board of Preventive Medicine, Medical Toxicology,

American Board of Preventive Medicine, Occupational Medicine,

Professional Memberships

American College of Occupational and Environmental Medicine

American College of Physicians, Fellow

American Public Health Association

Honors and Awards

Occupational Medicine Scholarship Fund Recipient, 1990

Alpha Omega Alpha, 1987

Charles Senn Award in Environmental Health, 1983

Lucien Meis Award in Public Health, 1980

Delta Omega Public Health Honor Society, 1979

Select Recent Publications

Contributing section author in Poisoning and Drug Overdose, Third Edition (1999, 2001 and 2006) Olson K (ed)., Appleton & Lange (thallium and chromium).

McCurdy SA, Ferguson TJ, Goldsmith DF, Parker JE, Schenker MB. Respiratory health of California rice farmers. Am J Respir Crit Care Med. 1996 May;153(5):1553-9. doi:10.1164/ajrccm.153.5.8630601. PMID:8630601.

Bushberg JT, Westcott GD, Anderson VE, Shelton DK, Ferguson TJ, Mettler FA. Exposure analysis and medical evaluation of a low-energy x-ray diffraction accident. Health Physics (Abstracts Supplement). 1995 Jun;68:5. 

Ferguson TJ. Needlestick injuries among hospital employees. Epitomes in occupational medicine. Western J Med. 1992 Apr.

Schenker M, Ferguson T, Gamskey T. Respiratory risks associated with agriculture. Occupational Medicine: State-of-the-Art Reviews. 1991;6(3):415-428.

McCurdy S, Ferguson TJ, Schenker MB. Mucocutaneous injuries at a university teaching hospital. Western J Med. 1989;150:604-608.