Daniel N. Haddad, D.O.

NPI 1063855484ActiveIndividual· Internal Medicine· Clarkston, MI

Internal Medicine (D.O.) in Clarkston, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $141,372 for 1,387 claims, against $27,203 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $245.66 in all, mostly food and beverage.

Overview

NPI	1063855484
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	Yes
NPI issued	Apr 16, 2013
Last updated in NPPES	Feb 16, 2023
Certified by provider	Feb 16, 2023

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	5101020248	MI

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 - Internal Medicine (MI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	105
Services billed	539 across 40 procedure codes
Paid by Medicare	$27,203

Part D prescriptions in 2024

Prescriptions (claims)	1,387 · 2,682 30-day fills
Patients	234
Total drug cost	$141,372
Generic share	87% of claims

Medicare sources and data years

Education and affiliations

Medical school	Michigan State University College of Osteopathic Medicine
Graduation year	2013
Medicare specialty	Internal Medicine
Telehealth	Offers telehealth