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Dr. Brian Gillis, DO
Surgical Specialist, Colorectal Surgeon (colon & rectum), General Practitioner, Primary Care Doctor
17 years of experience
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).

Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Brian Gillis is Excellent. Dr. Gillis has been reviewed by 36 patients who have provided 7 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.6
Courteous Staff 4.7
Accurate Diagnosis 4.9
Bedside Manner 4.8
Spends Time with Me 4.8
Follows Up After Visit 4.8

Specialties & Research

  • He has special expertise in 13 areas:
  • Anal Cancer (Anus Neoplasms)
  • Anal Gland Cancer
  • Anal Itching (Pruritus Ani)
  • Colon Cancer
  • Colon Diseases (Sigmoid Diseases)
  • Colon Diverticulum
  • Constipation
  • Fistula
  • Rectal Cancer
  • Rectal Diseases
  • Rectal Fistula
  • Rectal Prolapse
  • Urinary Incontinence

Education & Awards

Dr. Gillis graduated from University of New England, Biddeford.


Dr. Gillis has 2 hospital affiliations:

  • Inland Hospital 


  • Hindi

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Additional Information
Dr. Brian J Gillis DO is a male Colon/Rectal Surgeon, has 17 years of experience and practices in Colon & Rectal Surgery and General Practice.
Where does Dr. Brian J. Gillis practice?
Dr. Brian Gillis has 3 office locations.
Dr. Brian Gillis practices Colon & Rectal Surgery and General Practice near Oakland, ME.
Additional practice locations include: Waterville, ME and Augusta , ME.
See Oakland Surgeons and Oakland General Practitioners.