William Wallace Ashley Jr., M.D., PH.D., M.B.A.

NPI 1033238647ActiveIndividual· Neurological Surgery· Baltimore, MD

Neurological Surgery (M.D., PH.D., M.B.A.) in Baltimore, Maryland, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2001). Medicare paid $155,841 for services to 220 patients in 2024. Medtronic, Inc. was the largest of 6 companies reporting payments in 2025, $1,359 in all, mostly food and beverage.

Overview

NPI	1033238647
Status	Active
Entity type	Individual
Credential	M.D., PH.D., M.B.A.
Sole proprietor	Yes
NPI issued	Mar 28, 2007
Last updated in NPPES	Nov 11, 2016

Specialties and licenses

Taxonomy	Code	License	State
Neurological Surgery Primary	207T00000X	D82113	MD

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Neurosurgery (IL); Practitioner - Neurosurgery (MD)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	220
Services billed	615 across 48 procedure codes
Paid by Medicare	$155,841

Medicare sources and data years

Education and affiliations

Medical school	University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year	2001
Medicare specialty	Neurosurgery
Telehealth	Offers telehealth