Thomas Gallagher, MD
NPI 1467427641ActiveIndividual· Internal Medicine· Hinsdale, IL
Internal Medicine (MD) in Hinsdale, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $770,440 for 8,151 claims, against $95,580 paid for services in 2024. Lilly USA, LLC was the largest of 6 companies reporting payments in 2025, $245.21 in all, mostly food and beverage.
Overview
| NPI | 1467427641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Aug 8, 2023 |
| Certified by provider | Aug 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036082741 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 344 |
|---|---|
| Services billed | 3,012 across 76 procedure codes |
| Paid by Medicare | $95,580 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,151 · 21,609 30-day fills |
|---|---|
| Patients | 763 |
| Total drug cost | $770,440 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
- Select Outpatient Services IncGlenview, IL · 805 clinicians
Industry payments (Open Payments)
- 2025$245.21 · 11 payments from 6 companies
- 2024$192.01 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $57.12 | 2 |
| Novo Nordisk Inc | $54.93 | 3 |
| Pfizer Inc. | $48.93 | 2 |
| Astrazeneca Pharmaceuticals LP | $45.45 | 2 |
| Amgen Inc. | $20.12 | 1 |
What the 2025 payments were for
- Food and Beverage$245.21 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 internal medicine physicians in Hinsdale · All internal medicine physicians in Illinois