Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Colin Gallahan, MD

Individual provider Internal Medicine Physician · NPI 1508040213

Dr. William Colin Gallahan, MD is a Gastroenterology in Winston Salem, North Carolina. Graduated from University of Virginia School of Medicine in 2004, 22 years ago. Practices with Richmond Gastroenterology Associates, Inc, a 39-clinician group, accepts Medicare assignment and offers telehealth. Licensed in North Carolina.

Years since qualifying
22
Trained at
University of Virginia School of Medicine
Licensed in
NC
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Partly verified

Some contact details are missing from the federal record.

Wake Forest University Health Sciences Medical Center Blvd
Winston Salem, NC 27157-0001
Phone: (336) 716-2255
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2010-00678 (NC)

Record details

NPI number1508040213
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 18, 2007
Last updated in NPPESMay 5, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Richmond Gastroenterology Associates, Inc. — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Winston Salem