NPPES file of Aug 9, 2026

Thomas E. Merchant, DO

Radiation Oncology Physician · Memphis, TN

Thomas E. Merchant, DO is a radiation oncology physician with a practice address in Memphis, Tennessee, and NPI 1518960392, issued on May 24, 2005. Check the license (Tennessee 01135, 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
1518960392
Name
Thomas E. Merchant
Credential
DO
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
01135 TN
Self-reported in NPPES; status is on the state search
Practice location
262 Danny Thomas PL # MS 0515, Memphis, TN 38105
Phone
(901) 595-3006
Enumerated
May 24, 2005
Record last updated
Jan 28, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(901) 595-3842
Medicaid IDs
100345630B KS
245028600 MO
00118062 MS
64926934 KY
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Thomas E. Merchant 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 01135
    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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Industry payments in 2024: $24.69

1 payment: food and beverage; the largest payer was GE Healthcare. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Merchant$24.69
  2. Specialty average$1,897.85

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

Thomas E. Merchant among 132 radiation oncology physician records in Tennessee

Thomas E. Merchant, DO is one of 132 radiation oncology physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2010 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Tennessee

There are 132 radiation oncology physician records in Tennessee.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Matthew Krasin, MDMemphis, TN 381051972506046
  2. John Lucas, MDMemphis, TN 381051902127269
  3. Carmen Perez, M.D. PH.D.Memphis, TN 381051255563128
  4. David Roberge, MDMemphis, TN 381051932322989
  5. Christopher TinkleMemphis, TN 381051366769069
  6. Cynthia Dabney, MDMemphis, TN 381041598768996
  7. Holger Gieschen, MDMemphis, TN 381041295738680
  8. Joan Kaufman, M.D.Memphis, TN 381041407964208

Common questions

What is Thomas E. Merchant, DO's NPI number?

Thomas E. Merchant, DO's National Provider Identifier (NPI) is 1518960392, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas E. Merchant, DO located?

The NPPES record lists a practice address at 262 Danny Thomas PL # MS 0515, Memphis, TN, 38105. Phone: (901) 595-3006. Providers update this record themselves, so call before visiting.

How can I verify Thomas E. Merchant, DO's license?

NPPES lists Tennessee license number 01135, 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.

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.