Chima O. Oleru, MD
NPI 1841268299ActiveIndividual· Internal Medicine, Nephrology· Jackson, TN
Internal Medicine, Nephrology (MD) with Jackson Clinic PA, practicing in Jackson, Tennessee. 563 Medicare patients in 2024, $287,964 paid; nearly all of their 3,512 Part D prescriptions were generic (92%). Ardelyx, Inc. was the largest of 3 companies reporting payments in 2025, $216.39 in all, mostly food and beverage. Lists Dyersburg Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1841268299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 10, 2006 |
| Last updated in NPPES | Nov 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD40038 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 563 |
|---|---|
| Services billed | 6,721 across 69 procedure codes |
| Paid by Medicare | $287,964 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,512 · 6,494 30-day fills |
|---|---|
| Patients | 519 |
| Total drug cost | $224,820 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Jackson Clinic PAJackson, TN · 165 clinicians
Hospital affiliations
- Dyersburg Regional Medical CenterDyersburg, TN
- Hardin Medical CenterSavannah, TN
- Jackson-Madison County General HospitalJackson, TN
- Vanderbilt University Medical CenterNashville, TN
- West Tennessee Healthcare Bolivar HospitalBolivar, TN
Other facilities
- Dci HumboldtDialysis facility · Humboldt, TN
- Dci JacksonDialysis facility · Jackson, TN
- Davita Lexington Dialysis (Tn)Dialysis facility · Lexington, TN
- Davita North Jackson DialysisDialysis facility · Jackson, TN
- Davita Selmer DialysisDialysis facility · Selmer, TN
- West Tennessee Healthcare Rehabilitation HosptialInpatient rehabilitation facility · Jackson, TN
Industry payments (Open Payments)
- 2025$216.39 · 5 payments from 3 companies
- 2024$458.03 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $125.00 | 1 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $85.69 | 1 |
| Travere Therapeutics, Inc. | $5.70 | 3 |
What the 2025 payments were for
- Food and Beverage$210.69 · 2 payments
- Education$5.70 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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