NPPES file of Aug 9, 2026

Chima O. Oleru, MD

Nephrology Physician · Jackson, TN

Chima O. Oleru, MD is a nephrology physician with a practice address in Jackson, Tennessee, and NPI 1841268299, issued on Mar 10, 2006. Check the license (Tennessee MD40038, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841268299
Name
Chima O. Oleru
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
MD40038 TN
Self-reported in NPPES; status is on the state search
Practice location
2863 Highwy 45 Byp, Jackson, TN 38305
Phone
(731) 422-0213
Enumerated
Mar 10, 2006
Record last updated
Nov 17, 2023
Fax
(731) 256-7664
Medicaid ID
3331855 TN
Medicare enrollment
Enrolled (PECOS I20050719001244); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2863 Highwy 45 Byp

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Egan, MDGastroenterology Physician1457346041
  2. Thomas Ellis, M.D.Pulmonary Disease Physician1932147774
  3. Stephanie Little, P.A.Physician Assistant1023427002
  4. Victor Nwazue, M.D.Nephrology Physician1861657561

Verify Chima O. Oleru in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license MD40038
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.4 times the Medicare Part D claims of the average nephrology physician in 2024

3,512 Medicare Part D claims for 519 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Chima Oleru3,512
  2. Specialty average1,465

Most prescribed

  1. Calcitriol799 claims
  2. Amlodipine Besylate295 claims
  3. Losartan Potassium229 claims
  4. Furosemide169 claims
  5. Hydralazine Hcl158 claims
  6. Calcium Acetate156 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 92.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $458.03

9 payments; by number, the most common kind was education; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chima Oleru$458.03
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Jackson Clinic PAJackson, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chima O. Oleru among 266 nephrology physician records in Tennessee

Chima O. Oleru, MD is one of 266 nephrology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.

  • NPI issued2006 · 23% of these records are older, 49% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1990 · median 2002 among the 186 with a school on file
  • Record last updated2023 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Tennessee

There are 266 nephrology physician records in Tennessee.

The 8 nephrology physician records with the nearest ZIP codes

  1. Siddique Akbar, MDJackson, TN 383051295290328
  2. Susan Alex, M.D.Jackson, TN 383051003864117
  3. Shirish Joglekar, MDJackson, TN 383051851497648
  4. Yasmin MahmoudJackson, TN 383051326668963
  5. Victor Nwazue, M.D.Jackson, TN 383051861657561
  6. Tracy Townes Bougard, M.D.Jackson, TN 383051518935170
  7. Susan Francisco, MDJackson, TN 383011366437956
  8. Spirithoula Vasilopoulos, MDJackson, TN 383011952389397

Common questions

What is Chima O. Oleru, MD's NPI number?

Chima O. Oleru, MD's National Provider Identifier (NPI) is 1841268299, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chima O. Oleru, MD located?

The NPPES record lists a practice address at 2863 Highwy 45 Byp, Jackson, TN, 38305. Phone: (731) 422-0213. Providers update this record themselves, so call before visiting.

How can I verify Chima O. Oleru, MD's license?

NPPES lists Tennessee license number MD40038, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chima O. Oleru, MD prescribe under Medicare Part D?

In 2024, Chima O. Oleru, MD had 3,512 Medicare Part D claims for 519 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Chima O. Oleru, MD's MIPS final score?

The 2023 MIPS final score is 92.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.