Jennifer U. Obasi, MD
NPI 1710341599ActiveIndividual· Internal Medicine, Hematology & Oncology· Carterville, IL
Internal Medicine, Hematology & Oncology (MD) in Carterville, Illinois, trained at Michigan State University College of Human Medicine (class of 2015). Part D covered 62 prescriptions written in 2024, 98% of them generic. Daiichi Sankyo Inc. was the largest of 3 companies reporting payments in 2025, $52.42 in all, mostly food and beverage.
Overview
| NPI | 1710341599 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 7, 2016 |
| Last updated in NPPES | Oct 1, 2025 |
| Certified by provider | Oct 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036175296 | IL |
| Internal Medicine, Medical Oncology | 207RX0202X | ME169014 | FL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 69071-20 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (IL); Practitioner - Hospitalist (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 82 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $2,065 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Southern Illinois Medical Services NfpCarterville, IL · 334 clinicians
Hospital affiliations
- Harrisburg Medical CenterHarrisburg, IL
- Herrin HospitalHerrin, IL
- Memorial Hospital of CarbondaleCarbondale, IL
- St Joseph Memorial HospitalMurphysboro, IL
Other facilities
- Hospice of Southern Illinois, IncHospice · Belleville, IL
Industry payments (Open Payments)
- 2025$52.42 · 3 payments from 3 companies
- 2024$433.02 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $23.46 | 1 |
| Janssen Biotech, Inc. | $14.68 | 1 |
| Array Biopharma Inc | $14.28 | 1 |
What the 2025 payments were for
- Food and Beverage$52.42 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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