John Duffy, MD

John Duffy, MD - Potsdam, NY Primary Care Physician - St Lawrence Health System
(315) 261-5550
Fax: (315) 261-5599
Helen Snell Cheel Medical Campus
49 Lawrence Avenue, Potsdam, NY 13676

About John Duffy, MD


  • Family Practice
  • Primary Care

Medical Training:

  • Ross University School of Medicine, New York, NY
  • Los Angeles College of Chiropractic, Whitter, CA


  • Ohio State University, Columbus, OH

Introducing doctor of family medicine John Duffy, MD  

Dr. Duffy received his medical degree from Ross University School of Medicine and completed a residency at The Ohio State University, where he served as Rural Practice Chief Resident. He conducted research on ACL injuries in female athletes at Cincinnati Sports Medicine and Orthopedic, Deaconess Hospital of Cincinnati, OH. Dr. Duffy earned his DC from the Los Angeles College of Chiropractic, Whittier, CA, following completion of a bachelor's degree in kinesiology and psychology at the University of California, Los Angeles. He comes to Potsdam from a family practice group in Wake Forest, NC.

Dr. Duffy is a member of the American Academy of Family Physicians and the Craven-Pamlico-Jones Medical Society, New Bern, NC. For several years, he served as a representative of UCLA hockey and USA Rugby.


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Canton-Potsdam Hospital
50 Leroy Street, Potsdam, New York 13676
ph: 315-265-3300

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