Stuart Felzer, MD
NPI 1508804402ActiveIndividual· Internal Medicine· Wilmington, DE
Internal Medicine (MD) in Wilmington, Delaware, trained at Temple University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $1,029,212 for 7,336 claims, against $71,153 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $808.10 in all, mostly food and beverage.
Overview
| NPI | 1508804402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Oct 8, 2024 |
| Certified by provider | Oct 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | C10003025 | DE |
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 - Family Practice (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 1,278 across 41 procedure codes |
| Paid by Medicare | $71,153 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,336 · 16,456 30-day fills |
|---|---|
| Patients | 353 |
| Total drug cost | $1,029,212 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Fairway Physical Therapy LLCPalm Beach Gardens, FL · 86 clinicians
- Delaware Medical Group, LLCWilmington, DE · 3 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
Other facilities
- Bayada Home Health Care, IncHome health agency · Wilmington, DE
- Christianacare HomehealthHome health agency · Wilmington, DE
Industry payments (Open Payments)
- 2025$808.10 · 44 payments from 14 companies
- 2024$744.79 · 44 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $178.92 | 12 |
| Novo Nordisk Inc | $146.64 | 6 |
| Lilly USA, LLC | $89.64 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $54.93 | 3 |
| Astellas Pharma US Inc | $51.52 | 3 |
What the 2025 payments were for
- Food and Beverage$808.10 · 44 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 156 internal medicine physicians in Wilmington · All internal medicine physicians in Delaware