Summary

Dr. Alan Kilby is a gastroenterologist who earned his medical degree from Weill Cornell Medical College and completed his residency at Fletcher Allen Healthcare. With 49 years of clinical experience, he has built extensive expertise in digestive health and liver conditions. Dr. Kilby is fluent in both English and Spanish, allowing him to care for a diverse patient population.

Dr. Kilby practices at multiple locations throughout Portland, Maine, and maintains affiliations with Mainehealth Maine Medical Center, The Barbara Bush Children's Hospital, and Northern Light Mercy Hospital. He specializes in treating conditions such as nonalcoholic fatty liver disease, acute fatty liver of pregnancy, and high cholesterol in children and teens. His procedural expertise includes performing abdominal ultrasounds and endoscopic ablation for Barrett's esophagus. Patients consistently rate Dr. Kilby highly for his care, giving him an average rating of 5.0.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 49 years of experience
  • speaks English, Spanish
  • Fletcher Allen Healthcare
  • 1 written review
  • 1 specialty
  • 12 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Alan Edward Kilby has 4 locations

Gilman Clinic

48 Gilman StPortland, ME 04102
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Portland Gastroenterology Center

161 Marginal WayPortland, ME 04101
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

Mainehealth Maine Medical Center

22 Bramhall StPortland, ME 04102

Northern Light Mercy Hospital

175 Fore River PkwyPortland, ME 04102

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Dr. Alan Edward Kilby, MDTheresa Obonyano, APRNKali Ann WatersDr. Matthew Drew Grunwald, MD
GastroenterologyGastroenterologyNurse PractitionerGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
49 Years of Experience 11 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English
Portland , MESacramento , CABiddeford , MEPortland , ME
Med School: Weill Cornell Medical College Med School: The University of Texas Health Science Center at Houston Med School: Renaissance School Of Medicine At Stony Brook University
Current Profile
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Insurance Plans Accepted by Dr. Alan Edward Kilby

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

Medical Specialties

Dr. Alan Edward Kilby has the following specialty

Specialty Expertise

Dr. Alan Edward Kilby has the following 12 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis B
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Liver Diseases
  • Ulcerative Colitis

Certifications, License, & Education

49 Years Experience

Dr. Alan Edward Kilby holds an expired medical license in the state of Maine.

Medical License

Medical Doctor with an expired medical license in the state of Maine that expired in 2026.

Education & Training

Residency

Completed their residency at Fletcher Allen Healthcare.

Medical School

Graduated from Weill Cornell Medical College in 1977.

NPI Number

Dr. Kilby's NPI number is 1558456442.

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Frequently Asked Questions

What languages does Dr. Alan Kilby speak?
Dr. Alan Kilby speaks English and Spanish.
How can I make an appointment with Dr. Alan Kilby?
You can find contact information for Dr. Alan Kilby here on Vitals.
Does Dr. Alan Kilby accept virtual/telehealth appointments?
Dr. Alan Kilby has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Alan Kilby's office located?
Dr. Alan Kilby's office is located at 48 Gilman St, Portland, ME, 04102.
Which hospitals is Dr. Alan Kilby affiliated with?
Dr. Alan Kilby is affiliated with Mainehealth Maine Medical Center, The Barbara Bush Childrens Hospital, and Northern Light Mercy Hospital.

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