Dianne Jean Defusco, MD
NPI 1063584787ActiveIndividual· Internal Medicine· North Haven, CT
Internal Medicine (MD) in North Haven, Connecticut, licensed in CT, with an NPI issued in November 2006. Their prescriptions cost Medicare Part D more than their services did: $448,144 for 4,293 claims, against $21,751 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2024, $46.04 in all, mostly food and beverage.
Overview
| NPI | 1063584787 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 15, 2006 |
| Last updated in NPPES | Sep 14, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 041834 | CT |
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 | 108 |
|---|---|
| Services billed | 239 across 18 procedure codes |
| Paid by Medicare | $21,751 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,293 · 10,673 30-day fills |
|---|---|
| Patients | 555 |
| Total drug cost | $448,144 |
| Generic share | 86% of claims |
Industry payments (Open Payments)
- 2024$46.04 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $26.54 | 1 |
| Glaxosmithkline, LLC. | $19.50 | 1 |
What the 2024 payments were for
- Food and Beverage$46.04 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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