NPPES file of Aug 9, 2026

Arun Kumar, MD

Hematology & Oncology Physician · Knoxville, TN

Arun Kumar, MD is a hematology & oncology physician with a practice address in Knoxville, Tennessee, and NPI 1538125372, issued on Apr 21, 2006. Check the license (Tennessee 67841, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538125372
Name
Arun Kumar
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
67841 TN
35124331 OH
Self-reported in NPPES; status is on the state search
Practice location
1915 White Ave, Knoxville, TN 37916
Phone
(865) 331-2863
Enumerated
Apr 21, 2006
Record last updated
May 30, 2023
Medicaid ID
Q082685 TN
Medicare enrollment
Enrolled (PECOS I20141122000397); 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.
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8 nearest hematology & oncology physician records → All 273 in Tennessee → Look up another NPI →

Also registered at 1915 White Ave

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

  1. Ali Akram, MDInternal Medicine Physician1922664812
  2. Kelly Alsup, FNP-CFamily Nurse Practitioner1720537640
  3. Candice Blair, NPFamily Nurse Practitioner1811594146
  4. Kristy Bowers, ARNPAdult Health Nurse Practitioner1629450390
  5. Jennifer Brumbach, FNP-BCFamily Nurse Practitioner1518729730
  6. Shanda Bruner, APRNOncology Clinical Nurse Specialist1730146325

Verify Arun Kumar 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 67841    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.

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77% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

203 Medicare Part D claims for 50 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Arun Kumar203
  2. Specialty average877

Most prescribed

  1. Anastrozole18 claims
  2. Klor-Con M2015 claims
  3. Acyclovir12 claims
  4. Venlafaxine Hcl Er12 claims
  5. Xtandi12 claims
  6. Abiraterone Acetate11 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.

Industry payments in 2024: $2,715.50

9 payments; by number, the most common kind was consulting fee; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Arun Kumar$2,715.50
  2. Specialty average$7,481.41

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

One hospital affiliation

  1. Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Arun Kumar among 273 hematology & oncology physician records in Tennessee

Arun Kumar, MD is one of 273 hematology & oncology physician records with a practice address in Tennessee. 89% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 53% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1995 · median 2004 among the 223 with a school on file
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Tennessee

There are 273 hematology & oncology physician records in Tennessee.

All 273 in Tennessee → Every provider in Knoxville → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Richard Grapski, MDKnoxville, TN 379161679543805
  2. Allan Grossman, MDKnoxville, TN 379161659367233
  3. Thomas Kubota, MDKnoxville, TN 379161962498444
  4. Dhatri Malipeddi, MDKnoxville, TN 379161316599871
  5. Stephen Myers, MDKnoxville, TN 379161669444907
  6. Laura Spranklin, DOKnoxville, TN 379161669792586
  7. Felicia Wheeler, M.D.Knoxville, TN 379191730522053
  8. Ardy Davarifar, MD/PHDKnoxville, TN 379201205221603

Common questions

What is Arun Kumar, MD's NPI number?

Arun Kumar, MD's National Provider Identifier (NPI) is 1538125372, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arun Kumar, MD located?

The NPPES record lists a practice address at 1915 White Ave, Knoxville, TN, 37916. Phone: (865) 331-2863. Providers update this record themselves, so call before visiting.

How can I verify Arun Kumar, MD's license?

NPPES lists Tennessee license number 67841, 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 Arun Kumar, MD prescribe under Medicare Part D?

In 2024, Arun Kumar, MD had 203 Medicare Part D claims for 50 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.