Jean Shlyak, M.D.
NPI 1851457717ActiveIndividual· Internal Medicine· Northbrook, IL
Internal Medicine (M.D.) in Northbrook, Illinois, licensed in IL, with an NPI issued in December 2006. Their prescriptions cost Medicare Part D more than their services did: $354,931 for 7,779 claims, against $160,626 paid for services in 2024. Lists Advocate Condell Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1851457717 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 28, 2006 |
| Last updated in NPPES | Apr 6, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036064733 | 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 | 264 |
|---|---|
| Services billed | 2,922 across 31 procedure codes |
| Paid by Medicare | $160,626 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,779 · 11,425 30-day fills |
|---|---|
| Patients | 313 |
| Total drug cost | $354,931 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1973 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Advocate Lutheran General HospitalPark Ridge, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Lake Forest HospitalLake Forest, IL
Other facilities
- Progressive Home Health CareHome health agency · Northbrook, 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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All 49 internal medicine physicians in Northbrook · All internal medicine physicians in Illinois