Primary Care

Scott F. Paparello, D.O.

– Current Patients: Click Below to Request Annual Physical – All other visits are scheduled by phone, (978) 635-8700.

Schedule Annual Exam with Dr. Paparello

If preferred, request the N.P. working with Dr. Paparello’s Care Team.

Schedule with Caitlin Castellot, N.P.

Click here to learn how our Physicians and Nurse Practitioners work together in dedicated Care Teams.

Scott Paparello joined Acton Medical Associates after establishing a local practice specializing in Internal Medicine and Infectious Diseases. Dr. Paparello has been practicing in the local neighborhoods for 15 years and serves as the Medical Director at Lifecare-Nashoba Valley Nursing Home in Littleton as well as the head of Infection Control at Emerson Hospital. He has published over twenty articles related to Infectious Diseases.

A native of the area, Scott lives in Groton with his wife and two children and enjoys a variety of outdoor activities. An osteopathic physician, he embraces the holistic approach to maintaining health while incorporating the latest scientific advances in the care of patients.


  • B.A. Colgate University 1979
  • D.O. New York College of Osteopathic Medicine 1983


  • Naval Hospital
    Portsmouth, VA
  • National Naval Medical Center
    Bethesda, MD


  • American Board of Internal Medicine
  • American Board of Infectious Diseases


  • Preventive Medicine, Travel Medicine


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