Adam John Mallinger, D.O.
NPI 1154620300ActiveIndividual· Hospitalist· Downers Grove, IL
Hospitalist (D.O.) with Advocate Health and Hospitals Corporation, practicing in Downers Grove, Illinois. In 2024 Medicare paid $70,221 for 246 patients, and Part D covered 235 of their prescriptions, 81% of them generic. Lists Advocate Good Samaritan Hospital as a hospital affiliation.
Overview
| NPI | 1154620300 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 26, 2011 |
| Last updated in NPPES | Sep 13, 2024 |
| Certified by provider | Sep 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036134671 | IL |
| Internal Medicine | 207R00000X | 036134671 | IL |
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) | Enrolled Practitioner - Hospitalist (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 773 across 13 procedure codes |
| Paid by Medicare | $70,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 235 · 317 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $29,895 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Hospitalist |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliation
- Advocate Good Samaritan HospitalDowners Grove, IL
Other facilities
- Advocate HospiceHospice · Oak Brook, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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