Summary

Dr. William Gallahan specializes in gastroenterology and internal medicine, focusing on digestive health and comprehensive patient care. He earned his medical degree from the University of Virginia School of Medicine and has been practicing for 22 years. Dr. Gallahan is fluent in both English and Spanish.

Dr. Gallahan is affiliated with several hospitals including Chippenham Hospital, Johnston Willis Hospital, and Henrico Doctors Hospital in the Richmond area. He treats conditions such as colon polyps and diverticular disease. His expertise includes performing colonoscopies and lower GI endoscopy procedures. Patients have given him an average rating of 3.4 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 22 years of experience
  • speaks English, Spanish
  • University Of Virginia School Of Medicine
  • 3 written reviews
  • 2 specialties
  • 27 areas of expertise
  • 2 board certifications
  • 5 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. William Colin Gallahan has 4 locations

Virginia Endoscopy Group Llc

215 Wadsworth DrNorth Chesterfield, VA 23236
Mon6:30 am - 5:00 pm
Tue6:30 am - 5:00 pm
Wed6:30 am - 5:00 pm
Thu6:30 am - 5:00 pm
Fri6:30 am - 5:00 pm
SatClosed
SunClosed

Henrico Doctors Hospital

1602 Skipwith RdRichmond, VA 23229

Chippenham Hospital

7101 Jahnke RdRichmond, VA 23225

Parham Doctors Hospital

7700 E Parham RdRichmond, VA 23294

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Dr. William Colin Gallahan, MD
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Dr. William Colin Gallahan, MDRachel Oliver, APRNBrendon Bower, APRNJan Seiler, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
22 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
North Chesterfield , VASACRAMENTO , CATempe , AZMontgomery , AL
Med School: University Of Virginia School Of Medicine Med School: University of South Alabama Med School: University of Cincinnati Med School: Georgia State University
Current Profile
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Insurance Plans Accepted by Dr. William Colin Gallahan

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. William Colin Gallahan has the following 2 specialties

Specialty Expertise

Dr. William Colin Gallahan has the following 27 areas of expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Barrett Esophagus
  • Check-up
  • Colon Cancer
  • Colon Tumor (Adenomatous Polyps)
  • Colonic Diverticulitis
  • Colonic Diverticulosis
  • Colonoscopy
  • Constipation
  • Crohn's Disease
  • Digestive System Endoscopy (EGD)
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Gastrointestinal Cancer
  • Gastrointestinal Diseases (GI Diseases)
  • Gastrointestinal Hemorrhage
  • Heartburn
  • Hepatitis C
  • Immunization
  • Inflammatory Bowel Diseases (IBD)
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Liver Diseases
  • Pancreas inflammation (Pancreatitis)
  • Physical
  • Ulcerative Colitis
  • Vaccination
  • Weight Loss

Certifications, License, & Education

22 Years Experience

Dr. William Colin Gallahan holds an expired medical license in the state of Virginia.

Medical License

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

Education & Training

Medical School

Graduated from University Of Virginia School Of Medicine in 2004.

NPI Number

Dr. Gallahan's NPI number is 1508040213.

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Frequently Asked Questions

Does Dr. William Gallahan accept my insurance?
You can see the insurance plans that Dr. William Gallahan accepts on their Vitals profile.
What languages does Dr. William Gallahan speak?
Dr. William Gallahan speaks English and Spanish.
Is Dr. William Gallahan accepting new patients?
Dr. William Gallahan is accepting new patients on Vitals. View Dr. William Gallahan's profile on Vitals to make an appointment.
Where is Dr. William Gallahan's office located?
Dr. William Gallahan's office is located at 215 Wadsworth Dr, North Chesterfield, VA, 23236.
Which hospitals is Dr. William Gallahan affiliated with?
Dr. William Gallahan is affiliated with Chippenham Hospital, Johnston Willis Hospital, Bon Secours Saint Francis Medical Center, Henrico Doctors Hospital, and Parham Doctors Hospital.

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