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Mid Coast Medical Group - For a Lifetime of Caring Mid Coast Medical Group is located in Brunswick, Bath & Topsham
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  Internal Medicine in Bath, Maine Doctors

Internal Medicine Doctors in Bath - front row, left to right: Matthew T. Hanna, MD; Nancy A. Hasenfus, MD; Margaret L. Duhamel, MD; Catherine R. Fredricks, DO and Amy K. Etzweiler, MD. Back row, left to right: Benjamin V. Tipton, MPA-C; James P. Rines, MD; Scott W. French, MD, and Carl S. DeMars, MD.

Mid Coast Medical Group–Bath Internal Medicine

flag 108 Centre Street
Bath, ME 04530
Phone (207) 386-1800
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Our Bath office features an on-site lab and can frequently provide same-day appointments for the convenience of our patients. All of our physicians are board-certified and offer personalized, patient-centered care through regular check-ups and other office visits.

As a Patient-Centered Medical Home, Mid Coast Medical Group-Bath specializes in helping patients be healthy and well. The practice offers adult primary care, preventative care, chronic disease management, medication management, and specialty referrals. Medicare, MaineCare, and most other insurances are accepted.

A Patient-Centered Medical Home is a way of organizing a primary care practice with an emphasis on care coordination and communication that encourages patients to actively participate in their own care.

Medical homes can lead to higher quality and lower costs, and can improve patients' and providers' experience of care, ultimately contributing to better health for the patient.


Diagnosis and non-surgical treatment of a wide variety of medical conditions affecting adults.

  • Preventive care and lifestyle recommendations through regular check-ups
  • Management of acute and chronic adult illnesses
  • Monitoring risk factors
  • Referral to specialists
  • Medication management
  • Patient-centered care
  • Integrated behavioral health counseling

Our Team

Amy K. Etzweiler, MD
Carl S. DeMars, MD
Margaret L. Duhamel, MD
Catherine R. Fredricks, DO
Scott W. French, MD
Matthew T. Hanna, MD
Nancy A. Hasenfus, MD
James P. Rines, MD
Benjamin V. Tipton, MPA-C

Office Hours

Weekdays, 8 a.m.–5 p.m.
Extended Hours Available

Primary Care