Lynnae H. Duffalo, MD
NPI 1881857761ActiveIndividual· Internal Medicine· Newark, DE
Internal Medicine (MD) in Newark, Delaware, trained at Temple University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,625,312 for 2,671 claims, against $47,065 paid for services in 2024. Glaxosmithkline, LLC. reported $14.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1881857761 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 9, 2008 |
| Last updated in NPPES | Aug 14, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD433919 | PA |
| Hospitalist | 208M00000X | MD433919 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 634 |
|---|---|
| Services billed | 1,065 across 18 procedure codes |
| Paid by Medicare | $47,065 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,671 · 4,433 30-day fills |
|---|---|
| Patients | 373 |
| Total drug cost | $1,625,312 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- Union Hospital of Cecil CountyElkton, MD
Industry payments (Open Payments)
- 2025$14.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $14.70 | 1 |
What the 2025 payments were for
- Food and Beverage$14.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 267 internal medicine physicians in Newark · All internal medicine physicians in Delaware