Zaid A. Shakir, M.D.
NPI 1538450952ActiveIndividual· Internal Medicine, Critical Care Medicine· Baltimore, MD
Internal Medicine, Critical Care Medicine (M.D.) with Porter Physician Services LLC, practicing in Baltimore, Maryland. Their prescriptions cost Medicare Part D more than their services did: $386,355 for 1,120 claims, against $48,786 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 9 companies reporting payments in 2025, $470.01 in all, mostly food and beverage. Lists Northwest Health - Porter and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1538450952 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 20, 2011 |
| Last updated in NPPES | Nov 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 036137870 | IL |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 036137870 | IL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 01083122A | IN |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 01083122A | IN |
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 - Critical Care (Intensivists) (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 295 |
|---|---|
| Services billed | 582 across 29 procedure codes |
| Paid by Medicare | $48,786 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,120 · 1,745 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $386,355 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Porter Physician Services LLCValparaiso, IN · 99 clinicians
Hospital affiliations
- Northwest Health - PorterValparaiso, IN
- Northwest Health - StarkeKnox, IN
- Northwest Health-La PorteLa Porte, IN
- Pulaski Memorial HospitalWinamac, IN
- St Mary Medical Center IncHobart, IN
Industry payments (Open Payments)
- 2025$470.01 · 19 payments from 9 companies
- 2024$296.64 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $138.23 | 3 |
| Astrazeneca Pharmaceuticals LP | $94.74 | 5 |
| Glaxosmithkline, LLC. | $54.12 | 3 |
| Amgen Inc. | $47.55 | 2 |
| Regeneron Healthcare Solutions, Inc. | $37.67 | 1 |
What the 2025 payments were for
- Food and Beverage$370.02 · 18 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 94 critical care physicians in Baltimore · All critical care physicians in Maryland