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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM B GALLAHAN PHARMD
NPI 1720080146
Pharmacist in King George, VA

Active since August 15, 2005
15427 DAHLGREN RD, KING GEORGE, VA 22485(540) 663-2665(540) 663-4275 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William B Gallahan Pharmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM B GALLAHAN PHARMD (NPI 1720080146) is an individual pharmacist in King George, Virginia, licensed in Virginia (0202004822) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1720080146
Entity TypeIndividualMale
Primary Taxonomy183500000X
Provider Legal NameDR. WILLIAM B GALLAHANCredential: PHARMD
Location Address15427 DAHLGREN RDKing George, VA 22485-5619
Mailing Address3220 Riverview DrColonial Beach, VA 22443-4704 · (804) 224-0972 · Fax (540) 663-4275
Phone(540) 663-2665
Fax(540) 663-4275
Sole ProprietorNo
Enumeration DateAugust 15, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1720080146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License✔ Licensed in VA · 0202004822
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
15427 DAHLGREN RD, King George, VA 22485
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KING GEORGE PHARMACY, INC.
Clinic/Center (Community Health)
15427 DAHLGREN RD
KING GEORGE, VA 22485
King George County (540) 663-2665

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Gallahan's NPI number?

The NPI number for William Gallahan is 1720080146. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is William Gallahan located?

William Gallahan practices at 15427 Dahlgren Rd, King George, VA 22485. The listed phone number is (540) 663-2665.

What is William Gallahan's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

When was this NPI record last updated?

The NPPES record for William Gallahan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.