Michelle Leigh Hadley, D.O.

NPI 1255642682ActiveIndividual· Internal Medicine, Cardiovascular Disease· Worcester, MA

Internal Medicine, Cardiovascular Disease (D.O.) in Worcester, Massachusetts, trained at University of New England, College of Osteo Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $915,206 for 5,248 claims, against $169,673 paid for services in 2024. Pfizer Inc. was the largest of 6 companies reporting payments in 2025, $191.01 in all, mostly food and beverage.

Overview

NPI	1255642682
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	Jun 30, 2010
Last updated in NPPES	Nov 13, 2025
Certified by provider	Nov 13, 2025

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	256286	MA
Internal Medicine	207R00000X	256286	MA

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 - Cardiovascular Disease (Cardiology) (MA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	898
Services billed	3,214 across 48 procedure codes
Paid by Medicare	$169,673

Part D prescriptions in 2024

Prescriptions (claims)	5,248 · 13,509 30-day fills
Patients	594
Total drug cost	$915,206
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of New England, College of Osteo Medicine
Graduation year	2010
Medicare specialty	Cardiovascular Disease (Cardiology)
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth