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Dennis C. Zachary, MD

NPI 1679583363ActiveIndividual· Family Medicine· Norwalk, IA

Family Medicine (MD) in Norwalk, Iowa, trained at Mayo Medical School (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $662,964 for 5,746 claims, against $45,177 paid for services in 2024.

Overview

NPI1679583363
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 8, 2006
Last updated in NPPESJul 13, 2026
Certified by providerJul 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X26010IA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (IA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients168
Services billed1,053 across 56 procedure codes
Paid by Medicare$45,177

Part D prescriptions in 2024

Prescriptions (claims)5,746 · 11,867 30-day fills
Patients550
Total drug cost$662,964
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMayo Medical School
Graduation year1984
Medicare specialtyFamily Practice

Medical group

Hospital affiliation

Other facilities

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 Family Medicine providers in Norwalk

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