Dr. John Byington Barnes MD is a male Family Practitioner, has 19 years of experience and practices in Family Medicine.
Dr. John Barnes has 1 office location.
Winthrop Family Practice
149 Main St
Ste 2A
Winthrop, ME 04364

Phone Number
Locations and availability (1)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. John Barnes, MD is board certified in Family Medicine.

  • He has special expertise in 3 areas:
  • Heart Diseases
  • Heart Failure
  • Stroke

Education & Awards

Dr. Barnes graduated from Boston University .


Dr. Barnes has 1 hospital affiliations:

  • Mainegeneral Medical Center 

Accepted Insurance Plans

Dr. Barnes accepts these health insurances in at least one office:

  • United Healthcare - 2 plans
  • Evercare - 3 plans
  • Great-West Healthcare - 1 plan
  • Cigna - 14 plans

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Additional Information
Where does Dr. John B. Barnes practice?
Dr. John Barnes practices Family Medicine near Winthrop, ME.
See Winthrop Family Physicians.