Caroline Kalember, M.D.
NPI 1487987509ActiveIndividual· Internal Medicine· Northbrook, IL
Opted out of Medicare from July 2025 to July 2027. Internal Medicine (M.D.) in Northbrook, Illinois, licensed in IL, with an NPI issued in September 2009. Part D covered 1,831 prescriptions written in 2024, 85% of them generic. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $66.46 in all, mostly food and beverage.
Overview
| NPI | 1487987509 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 8, 2009 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 125055914 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jul 15, 2025 – Jul 15, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 1,831 · 3,877 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $164,005 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$66.46 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $34.98 | 1 |
| Glaukos Corporation | $31.48 | 1 |
What the 2025 payments were for
- Food and Beverage$66.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 internal medicine physicians in Northbrook · All internal medicine physicians in Illinois