Neil J. Mallis, MD
NPI 1881633576ActiveIndividual· Internal Medicine· Philadelphia, PA
Internal Medicine (MD) in Philadelphia, Pennsylvania, licensed in PA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $407,578 for 5,408 claims, against $68,898 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2025, $528.34 in all, mostly food and beverage. Lists Jefferson Health- Northeast and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1881633576 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 6, 2006 |
| Last updated in NPPES | Mar 4, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD031074E | 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 - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 1,259 across 17 procedure codes |
| Paid by Medicare | $68,898 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,408 · 12,070 30-day fills |
|---|---|
| Patients | 362 |
| Total drug cost | $407,578 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Jefferson Health- NortheastPhiladelphia, PA
- Nazareth HospitalPhiladelphia, PA
- St Mary Medical CenterLanghorne, PA
Other facilities
- Holy Redeemer Home Care-PaHome health agency · Philadelphia, PA
- Mercy Home HealthHome health agency · Newtown, PA
- Ennoble CareHospice · Jenkintown, PA
Industry payments (Open Payments)
- 2025$528.34 · 25 payments from 10 companies
- 2024$204.67 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $107.75 | 6 |
| Abbvie Inc. | $104.58 | 5 |
| Amgen Inc. | $76.39 | 3 |
| Sumitomo Pharma America, Inc. | $67.72 | 3 |
| Janssen Pharmaceuticals, Inc | $66.57 | 2 |
What the 2025 payments were for
- Food and Beverage$528.34 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,995 internal medicine physicians in Philadelphia · All internal medicine physicians in Pennsylvania