Michael E. Williams, M.D.

NPI 1841330008ActiveIndividual· Internal Medicine, Hematology & Oncology· Charlottesville, VA

Internal Medicine, Hematology & Oncology (M.D.) in Charlottesville, Virginia, trained at University of Cincinnati College of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $378,808 for 43 claims, against $6,322 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2024, $5,830 in all, mostly consulting fees.

Overview

NPI	1841330008
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Feb 7, 2007
Last updated in NPPES	Oct 27, 2016

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	0101035269	VA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Hematology/Oncology (VA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	24
Services billed	69 across 5 procedure codes
Paid by Medicare	$6,322

Part D prescriptions in 2024

Prescriptions (claims)	43 · 46 30-day fills
Total drug cost	$378,808
Generic share	35% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Cincinnati College of Medicine
Graduation year	1979
Medicare specialty	Hematology/Oncology
Secondary specialties	Internal Medicine