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Douglas D. Heldreth, M.D.

NPI 1699766378ActiveIndividual· Internal Medicine, Medical Oncology· Naples, FL

Internal Medicine, Medical Oncology (M.D.) in Naples, Florida, licensed in FL, with an NPI issued in November 2005. In 2024 Medicare paid $5,347,711 for 1,355 patients, and Part D covered 1,584 of their prescriptions, 69% of them generic. Sobi, Inc was the largest of 25 companies reporting payments in 2025, $1,119 in all, mostly food and beverage.

Overview

NPI1699766378
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 2, 2005
Last updated in NPPESOct 21, 2025
Certified by providerOct 21, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202XME51704FL

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)Not in the public enrollment file of Oct 1, 2026
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,355
Services billed396,099 across 160 procedure codes
Paid by Medicare$5,347,711

Part D prescriptions in 2024

Prescriptions (claims)1,584 · 2,503 30-day fills
Patients335
Total drug cost$5,275,055
Generic share69% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$1,119 · 47 payments from 25 companies
  • 2024$2,734 · 131 payments from 37 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,044 · 46 payments
  • Education$74.99 · 1 payment

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

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