MR. WILLIAM ANDREW TOSICK III
NPI 1679428643
Physician Assistant in Fredericksburg, VA

Active since March 03, 2026
4600 SPOTSYLVANIA PKWY, FREDERICKSBURG, VA 22408(540) 498-4000 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. William Andrew Tosick Iii NPPES

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

MR. WILLIAM ANDREW TOSICK III (NPI 1679428643) is an individual physician assistant in Fredericksburg, Virginia and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1679428643
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. WILLIAM ANDREW TOSICK III
Location Address4600 SPOTSYLVANIA PKWYFredericksburg, VA 22408-7762
Mailing Address4600 Spotsylvania PkwyFredericksburg, VA 22408-7762
Sole ProprietorYes
Enumeration DateMarch 3, 2026
NPPES CertifiedMarch 3, 2026
NPI 1679428643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
4600 SPOTSYLVANIA PKWY, Fredericksburg, VA 22408

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

Emergency Medicine
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408
Pediatrics (Neonatal-Perinatal Medicine)
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408
Advanced Practice Midwife
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408
Internal Medicine
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408
Specialist/Technologist, Other (Surgical Assistant)
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408
Hospitalist
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408
Radiology (Diagnostic Radiology)
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408
Emergency Medicine
4600 SPOTSYLVANIA PKWY
FREDERICKSBURG, VA 22408

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 Tosick's NPI number?

The NPI number for William Tosick is 1679428643. It was assigned to this individual provider in the NPPES registry on March 3, 2026.

Where is William Tosick located?

William Tosick practices at 4600 Spotsylvania Pkwy, Fredericksburg, VA 22408. The listed phone number is (540) 498-4000.

What is William Tosick's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for William Tosick was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.