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Ali Duffens, MD

NPI 1568049922ActiveIndividual· Internal Medicine· New York, NY

Internal Medicine (MD) in New York, New York, trained at Irvine California College of Medicine (class of 2021). Part D covered 138 prescriptions written in 2024, 86% of them generic.

Overview

NPI1568049922
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 24, 2021
Last updated in NPPESMay 26, 2026
Certified by providerMay 26, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X336684NY
Student in an Organized Health Care Education/Training Program390200000X——

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 (CA); Practitioner - Internal Medicine (NJ)

Part D prescriptions in 2024

Prescriptions (claims)138 · 219 30-day fills
Patients95
Total drug cost$6,538
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolIrvine California College of Medicine
Graduation year2021
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

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

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