Patrick Gerard O'Connor MD, MPH, FACP

Professor of Medicine (General Medicine); Section Chief, General Medicine

Biographical Info

Research Interests:

Dr. O’Connor has focused his scholarly work on the interface between primary care and substance abuse. This has included research examining the transfer of substance abuse treatment strategies from “specialty” settings to primary care settings. His publications in this area include studies on the management of opioid withdrawal in primary care settings, opioid maintenance in primary care, and the use of naltrexsone for treating alcohol dependence in primary care patients. He has been active in medical education on substance abuse both nationally and internationally.

Selected Recent Publications:

O’Connor, PG. Brief Interventions for Problem Drinking: Another Piece of the Puzzle. Annals of Internal Medicine. 2007; 146(3):223-225.

Martell BA, O’Connor PG, Kerns RD, Becker WC, Morales KH,

Kosten TR, and Fiellin DA. Systematic Review: Opioid treatment for chronic back pain: prevalence, efficacy and association with addiction. Annals of Internal Medicine. 2007; 146:116-127.

Sledge, WH, Brown, KE, Levine, JM, Fiellin, DA, Chawarski, M, White, WD, O’Connor, PG. A Randomized Trial of Primary Intensive Care to Reduce Hospital Admissions in Patients with High Utilization of Inpatient Services. Disease Management. 2006; 9(6)328-338.

O’Connor PG. Problem Drinkers: Find Them, Keep Them, Don’t Lose Them, Treat Them. Journal of General Internal Medicine. 2005; 20(1):96-97.

D’Onofrio G, MS; Pantalon MV, Degutis LC, Fiellin DA, O’Connor PG. Development and Implementation of an Emergency Practitioner-Performed Brief Intervention for Harmful and Hazardous Drinkers in the Emergency Department. Academic Emergency Medicine. 2005; 12(3):249-256.

O’Connor PG. Methods of Detoxification and Their Role in Managing Patients With Opioid Dependence. JAMA. 2005; 294(8):961-963.

Sullivan LE, Fiellin DA, O’Connor PG. The prevalence and impact ofalcohol problems in major depression: A systematic review. American Journal ofMedicine. 2005; 118(4):330-341.

Kernan WE, Holmboe E, O’Connor PG. Assessing the teaching behaviors of ambulatory care preceptors. Academic Medicine. 2004; 79(11):1088-1094.

O’Malley S, Rounsaville BJ, Farren C, Namkoong K, Wu R, Robinson J, O’Connor PG. Initial and Maintenance Naltrexone for Alcohol dependence using primary care vs. specialty care: A nested sequence of three randomized trials. Archives of Internal Medicine. 2003; 163(14):1695-1704.

Kosten T, O’Connor PG. Current Concepts: Management of Drug and Alcohol Withdrawal. New England Journal of Medicine. 2003; 348(18):1786-1795.

Reid MC, Engles-Horton LL, Weber MB, Kerns RD, Rogers EL, O’Connor PG. Use of opioid medications for chronic noncancer pain syndromes in primary care. Journal of General Internal Medicine. 2002; 17(3):173-9.

O’Connor PG. Treating opioid dependence—new data and new opportunities. The New England Journal of Medicine. 2000; 343(18):1332-4.

Fiellin DA, Reid MC, O’Connor PG. Screening for alcohol problems in primary care: A systematic review. Archives of Internal Medicine. 2000; 160(13):1977-89.

O’Connor PG, Fiellin DA. Pharmacologic treatment of heroin-dependent patients. Annals of Internal Medicine. 2000; 133(1):40-54.


B.S., Union College, 1978
M.D., The Albany Medical College, 1982
M.P.H., Yale University School of Medicine, 1988


Internal Medicine Residency: The University of Rochester School of Medicine and Dentistry, 1982-1985

Chief Residency: The University of Rochester School of Medicine and Dentistry, 1985-1986

Fellowship: The Robert Wood Johnson Clinical Scholars Program, Yale University, 1986-1988

Education & Training

Albany Medical College (1982)
Yale University School of Medicine (1988)
University of Rochester School of Medicine and Dentistry, Internal Medicine (1982 - 1985)
Chief Resident
University of Rochester School of Medicine and Dentistry, Internal Medicine (1985 - 1986)
Yale University School of Medicine, Robert Wood Johnson Clinical Scholars Program (1986 - 1988)
Board Certification
Internal Medicine, Board Certified  (1986)

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