Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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John B Barnes, MD

Individual provider Family Medicine Physician · NPI 1558337808

John B Barnes, MD is a Family Practice in Augusta, Maine. Graduated from Boston University School of Medicine in 1991, 35 years ago. Practices with Mainegeneral Medical Center, a 556-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
35
Trained at
Boston University School of Medicine
Licensed in
ME
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

15 E Chestnut St
Augusta, ME 04330-5736
Phone: (207) 626-1561
Fax: (207) 626-1849
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 013777 (ME)

Record details

NPI number1558337808
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2006
Last updated in NPPESJuly 13, 2020
Certification dateJuly 13, 2020
Mailing address15 E Chestnut St, Augusta, ME 04330-5736

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Mainegeneral Medical Center — 556 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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