Vanessa Hagan, MD
NPI 1215125927ActiveIndividual· Internal Medicine· Oak Lawn, IL
Internal Medicine (MD) in Oak Lawn, Illinois, licensed in IL, with an NPI issued in October 2007. Their prescriptions cost Medicare Part D more than their services did: $477,366 for 10,294 claims, against $229,328 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $64.33 in all, mostly food and beverage. Lists Advocate Christ Hospital & Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1215125927 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 9, 2007 |
| Last updated in NPPES | Dec 18, 2021 |
| Certified by provider | Dec 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036110316 | 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 | 411 |
|---|---|
| Services billed | 3,361 across 32 procedure codes |
| Paid by Medicare | $229,328 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,294 · 21,644 30-day fills |
|---|---|
| Patients | 739 |
| Total drug cost | $477,366 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Advocate Trinity HospitalChicago, IL
- Osf Little Company of Mary Medical CenterEvergreen Park, IL
- Rush University Medical CenterChicago, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- Icare Home HealthHome health agency · Chicago, IL
- Advocate HospiceHospice · Oak Brook, IL
Industry payments (Open Payments)
- 2025$64.33 · 4 payments from 2 companies
- 2024$17.35 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $32.69 | 2 |
| Amgen Inc. | $31.64 | 2 |
What the 2025 payments were for
- Food and Beverage$64.33 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 194 internal medicine physicians in Oak Lawn · All internal medicine physicians in Illinois