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
| NPI | 1699766378 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Oct 21, 2025 |
| Certified by provider | Oct 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | ME51704 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No 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 assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,355 |
|---|---|
| Services billed | 396,099 across 160 procedure codes |
| Paid by Medicare | $5,347,711 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,584 · 2,503 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $5,275,055 |
| Generic share | 69% of claims |
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
| Company | Amount | Payments |
|---|---|---|
| Sobi, Inc | $110.64 | 3 |
| Pfizer Inc. | $104.17 | 5 |
| Novartis Pharmaceuticals Corporation | $97.03 | 4 |
| Merck Sharp & Dohme LLC | $87.58 | 3 |
| E.R. Squibb & Sons, L.L.C. | $66.43 | 3 |
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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