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Michael Giacalone Jr., M.D.

NPI 1336129139ActiveIndividual· Internal Medicine· Flint, MI

Internal Medicine (M.D.) in Flint, Michigan, trained at University of Michigan Medical School (class of 1972). Their prescriptions cost Medicare Part D more than their services did: $20,266 for 89 claims, against $205.77 paid for services in 2024.

Overview

NPI1336129139
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 18, 2006
Last updated in NPPESNov 15, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X4301032442MI

About license numbers in NPPES

Exclusion screening

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

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients25
Services billed30 across 6 procedure codes
Paid by Medicare$205.77

Part D prescriptions in 2024

Prescriptions (claims)89 · 142 30-day fills
Patients24
Total drug cost$20,266
Generic share78% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year1972
Medicare specialtyInternal Medicine

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other internal medicine physicians in Flint

All 257 internal medicine physicians in Flint · All internal medicine physicians in Michigan