Marlys Howarth, DO

Internal Medicine 

Thompson Health Canandaigua Medical Group


  • BS in Life Sciences, Biology, New York Institute of Technology, Old Westbury, NY
  • Doctor of Osteopathy, New York College of Osteopathic Medicine, Old Westbury, NY
  • Internship and Residency in Internal Medicine at Jersey City Medical Center, NY

Work Experience:

  • Hospitalist-Internal Medicine, F.F. Thompson Hospital, Canandaigua, NY (3/2017-present & 5/2016-6/2016)
  • Internal Medicine, Summit Medical Group, Morristown and Florham Park, NJ (2013-2015)

Professional Memberships:

  • American College of Physicians 
  • American College of Osteopathic Internists
  • American Osteopathic Association
  • Osteopathic Chief Resident, Jersey City Medical Center


  • American Osteopathic Board Certified in Internal Medicine

Dr. Howarth lives with her husband and two children in Victor, NY. She enjoys sports, being outdoors, gardening, traveling, and having new family experiences. She is a proud dual-citizen and enjoys visiting her family in Ontario, Canada. Her favorite foods are wings and artichokes.

Marlys Howarth, DO
Canandaigua Medical Group

~Part of F.F. Thompson Hospital

335 Parrish Street
Canandaigua, NY 14424

Phone: (585) 393-2811
Fax: (585) 919-2539