Summary

Dr. Alan Kilby is a gastroenterologist with nearly five decades of experience treating digestive system disorders. He earned his medical degree from Weill Cornell Medical College and completed his residency at Fletcher Allen Healthcare. With 49 years of dedicated practice, Dr. Kilby has developed extensive expertise in diagnosing and managing complex gastrointestinal conditions. He is fluent in both English and Spanish, allowing him to serve a diverse patient population in the Portland area.

Dr. Kilby maintains hospital affiliations with MaineHealth Maine Medical Center and practices at multiple locations throughout Portland, Maine. His clinical focus includes treating nonalcoholic fatty liver disease and managing high cholesterol in children and teenagers. He performs advanced diagnostic procedures such as abdominal ultrasounds and MRI imaging of the abdomen to provide comprehensive care for his patients. Patients consistently rate Dr. Kilby highly for his expertise, giving him a perfect 5.0 rating.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 5
  • 49 years of experience
  • 22 insurance plans accepted
  • speaks English, Spanish
  • Fletcher Allen Healthcare
  • 1 written review
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 4 office locations
  • Male

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, APRNDr. Noemi Baffy, MDDr. Benjamin Broughall Potter, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
49 Years of Experience 15 Years of Experience 34 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English, Spanish Speaks English, Spanish
Portland , MESACRAMENTO , CAPortland , MEPortland , ME
Med School: Weill Cornell Medical College Med School: The University of Texas Health Science Center at Houston Med School: Semmelweis University Faculty Of Medicine Med School: Geisel School Of Medicine At Dartmouth
Current Profile
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Insurance Plans Accepted by Dr. Alan Edward Kilby

  • Aetna
  • Aetna - Medicare (Advantage HMO)
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Medicare (Advantage HMO)
  • CHAMPVA
  • Cigna
  • Community Health Options
  • GEHA
  • Harvard Pilgrim Health Care
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • Wellcare
  • Wellcare - Medicare (Advantage HMO)

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

MEDICAL LICENSE

Medical Doctor, Maine, 2026, Expired

EDUCATION & TRAINING

Residency

Fletcher Allen Healthcare

Medical School

Weill Cornell Medical CollegeGraduated in 1977

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Frequently Asked Questions

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.
Is Dr. Alan Kilby accepting new patients?
Dr. Alan Kilby is accepting new patients on Vitals. View Dr. Alan Kilby's profile on Vitals to make an appointment.
Does Dr. Alan Kilby accept my insurance?
You can see the insurance plans that Dr. Alan Kilby accepts on their Vitals profile.
What languages does Dr. Alan Kilby speak?
Dr. Alan Kilby speaks English and Spanish.
Which hospitals is Dr. Alan Kilby affiliated with?
Dr. Alan Kilby is affiliated with Mainehealth Maine Medical Center.

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