Arthur L. Ostrowski, M.D.
NPI 1740257062ActiveIndividual· Internal Medicine· Barrington, IL
Internal Medicine (M.D.) in Barrington, Illinois, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $478,034 for 3,376 claims, against $46,325 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 9 companies reporting payments in 2025, $1,738 in all, mostly food and beverage. Lists Advocate Good Shepherd Hospital as a hospital affiliation.
Overview
| NPI | 1740257062 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 6, 2006 |
| Last updated in NPPES | Oct 18, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | — | 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 | 85 |
|---|---|
| Services billed | 520 across 19 procedure codes |
| Paid by Medicare | $46,325 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,376 · 8,681 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $478,034 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Advocate Good Shepherd HospitalBarrington, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
Industry payments (Open Payments)
- 2025$1,738 · 43 payments from 9 companies
- 2024$1,094 · 38 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $641.20 | 8 |
| Astrazeneca Pharmaceuticals LP | $438.27 | 8 |
| Amgen Inc. | $288.82 | 14 |
| Lilly USA, LLC | $164.79 | 3 |
| Novo Nordisk Inc | $71.56 | 3 |
What the 2025 payments were for
- Food and Beverage$1,738 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Barrington
- 1659767903
- 1710337886
- 1962414623
- 1699461889
- 1821084393
- 1336209618
- 1467863589
- 1487750790
- 1538477435
- 1689630915
- 1508596636
- 1043613581
All 28 internal medicine physicians in Barrington · All internal medicine physicians in Illinois