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Diane E. Fresca, M.D.

NPI 1104084649ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Princeton, NJ

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Princeton, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,112,036 for 2,228 claims, against $87,019 paid for services in 2024. Medtronic, Inc. was the largest of 5 companies reporting payments in 2025, $83.81 in all, mostly food and beverage.

Overview

NPI1104084649
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 31, 2008
Last updated in NPPESDec 17, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary207RE0101X25MA07686400NJ

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 - Internal Medicine (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients267
Services billed1,889 across 12 procedure codes
Paid by Medicare$87,019

Part D prescriptions in 2024

Prescriptions (claims)2,228 · 5,774 30-day fills
Patients346
Total drug cost$1,112,036
Generic share41% of claims

Medicare sources and data years

Education and affiliations

Medical schoolRutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Graduation year2001
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$83.81 · 5 payments from 5 companies
  • 2024$230.50 · 11 payments from 7 companies

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$18.921
Lilly USA, LLC$17.681
Insulet Corporation$17.061
Amgen Inc.$16.101
Abbott Laboratories$14.051

What the 2025 payments were for

  • Food and Beverage$83.81 · 5 payments

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

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