Summary

Dr. John Irwin is an internal medicine physician who specializes in gastroenterology, bringing 45 years of experience to his practice. He earned his Doctor of Osteopathy degree from Kansas City University of Medicine & Bioscience College of Osteopathic Medicine and completed his residency at Truman Medical Center. Dr. Irwin is multilingual, speaking Spanish, Chinese, French, German, and English.

Dr. Irwin practices at MaineHealth Maine Medical Center in Portland, Maine. He focuses on treating digestive conditions including colon polyps, diverticular disease, and diverticulosis. His expertise includes performing colonoscopies and lower GI endoscopies to diagnose and treat gastrointestinal issues. Dr. Irwin also utilizes CT scans as part of his comprehensive approach to patient care.

Overview based on verified provider data

Quick Facts

  • 1
  • 45 years of experience
  • speaks Spanish, Chinese, French, German, English
  • Truman Medical Center
  • 1 written review
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Spent time with me
  • Flexible scheduling

Office Location

Mainehealth Maine Medical Center

22 Bramhall StPortland, ME 04102

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Dr. John Hawkins Irwin, DODr. Mirle Amory Kellett Jr, MDDr. Edward Francis Pilkington, MDDr. Alexis Anja Cavic, MD
Internal MedicineInternal MedicineInfectious DiseaseInternal Medicine
45 Years of Experience 51 Years of Experience 13 Years of Experience 17 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Chinese, French, German, English
Portland , MEPortland , MEPortland , MEPortland , ME
Med School: Kansas City University Of Medicine & Bioscience College Of Osteopathic Med Med School: GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE AND HEALTH SCIENCES Med School: Oregon Health & Science University School Of Medicine Med School: Geisel School Of Medicine At Dartmouth
Current Profile
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Insurance Plans Accepted by Dr. John Hawkins Irwin

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John Hawkins Irwin has the following 2 specialties

Specialty Expertise

Dr. John Hawkins Irwin has the following 9 areas of expertise

  • Check-up
  • Colonoscopy
  • Gastroenterology
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

45 Years Experience

Dr. John Hawkins Irwin holds an expired medical license in the state of Maine.

Medical License

Doctor Of Osteopathy with an expired medical license in the state of Maine that expired in 2025.

Education & Training

Residency

Completed their residency at Truman Medical Center.

Medical School

Graduated from Kansas City University Of Medicine & Bioscience College Of Osteopathic Med in 1981.

NPI Number

Dr. Irwin's NPI number is 1528092491.

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Frequently Asked Questions

Is Dr. John Irwin accepting new patients?
Dr. John Irwin has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. John Irwin affiliated with?
Dr. John Irwin is affiliated with Mainehealth Maine Medical Center.
How can I make an appointment with Dr. John Irwin?
You can find contact information for Dr. John Irwin here on Vitals.
What languages does Dr. John Irwin speak?
Dr. John Irwin speaks Spanish, Chinese, French, German, and English.
Does Dr. John Irwin accept my insurance?
You can see the insurance plans that Dr. John Irwin accepts on their Vitals profile.

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