Thomas A. Stern, MD
NPI 1477592665ActiveIndividual· Internal Medicine· Winnetka, IL
Internal Medicine (MD) in Winnetka, Illinois, trained at Tufts University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $331,716 for 3,310 claims, against $165,789 paid for services in 2024. Pfizer Inc. reported $31.85 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1477592665 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Dec 14, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-068539 | 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 | 298 |
|---|---|
| Services billed | 2,458 across 41 procedure codes |
| Paid by Medicare | $165,789 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,310 · 7,954 30-day fills |
|---|---|
| Patients | 328 |
| Total drug cost | $331,716 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Internal Medicine |
Medical group
- Winnetka Avenue Physicians SCWinnetka, IL · 2 clinicians
Hospital affiliation
Other facilities
- Caress Home Health Care IncHome health agency · Skokie, IL
- Residential Home HealthHome health agency · Northbrook, IL
Industry payments (Open Payments)
- 2024$31.85 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $31.85 | 1 |
What the 2024 payments were for
- Food and Beverage$31.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 internal medicine physicians in Winnetka · All internal medicine physicians in Illinois