NPI Lens

James Joseph Ziomek, MD

NPI 1487652780ActiveIndividual· Internal Medicine· Los Alamos, NM

Internal Medicine (MD) in Los Alamos, New Mexico, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $801,492 for 3,858 claims, against $187,046 paid for services in 2024.

Overview

NPI1487652780
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 11, 2005
Last updated in NPPESDec 31, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X95166NM

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

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

Medicare services in 2024

Medicare patients628
Services billed7,590 across 40 procedure codes
Paid by Medicare$187,046

Part D prescriptions in 2024

Prescriptions (claims)3,858 · 7,566 30-day fills
Patients160
Total drug cost$801,492
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLoyola University of Chicago, Stritch School of Medicine
Graduation year1991
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

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 Internal Medicine providers in Los Alamos

All Internal Medicine providers in New Mexico →