NPPES file of Aug 9, 2026

Charles Harrison Matthews, M.D.

Radiation Oncology Physician · Texarkana, TX

Charles Harrison Matthews, M.D. is a radiation oncology physician with a practice address in Texarkana, Texas, and NPI 1689899676, issued on Apr 16, 2007. Check the license (Texas Q2340, as entered in NPPES) on the Texas Medical Board; 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
1689899676
Name
Charles Harrison Matthews
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
Q2340 TX
001964 GA
01078263A IN
Self-reported in NPPES; status is on the state search
Practice location
2600 Saint Michael Dr, Texarkana, TX 75503
Phone
(903) 614-2666
Enumerated
Apr 16, 2007
Record last updated
Nov 20, 2023
Medicaid ID
348741503 TX
Medicare enrollment
Enrolled (PECOS I20150216000412); 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 radiation oncology physician records → All 449 in Texas → Look up another NPI →

Also registered at 2600 Saint Michael Dr

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

  1. Alex Ayers, PA-CPhysician Assistant1073011599
  2. Caleb BennettCertified Registered Nurse Anesthetist1093304917
  3. Paul Bernard, M.D.Anesthesiology Physician1861460438
  4. Brandie ByrneAcute Care Nurse Practitioner1942871215
  5. Yesenia Canciobello, CRNACertified Registered Nurse Anesthetist1457954737
  6. Rincy Chacko, PHARMDAmbulatory Care Pharmacist1750202552

Verify Charles Harrison Matthews in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q2340    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 Texas license search

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66% fewer Medicare Part D claims than the average radiation oncology physician in 2024

46 Medicare Part D claims for 23 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Charles Matthews46
  2. Specialty average134

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: $97.15

1 payment: food and beverage; the largest payer was Teleflex LLC. 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. Charles Matthews$97.15
  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.

Bills Medicare through one group practice

  1. Christus Trinity ClinicTexarkana, TX

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

Charles Harrison Matthews among 449 radiation oncology physician records in Texas

Charles Harrison Matthews, M.D. is one of 449 radiation oncology physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 44% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2006 · median 2004 among the 348 with a school on file
  • Record last updated2023 · 61% 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 Texas 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 Texas

There are 449 radiation oncology physician records in Texas.

All 449 in Texas → Every provider in Texarkana → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Hai Tran, M.D.Texarkana, TX 755031992794341
  2. Sanjay Emandi, MDParis, TX 754601275532095
  3. Ryley Johnson, BSRT (R)(T)Paris, TX 754601518588193
  4. Maygol Sarvi, D.O.Paris, TX 754601093723777
  5. Dat Vo, M.D., PH.D.Mount Pleasant, TX 754551780004523
  6. Joseph Hodges, M.D.Longview, TX 756011144554577
  7. Bernard Taylor, MDLongview, TX 756011205878345
  8. Tu Dan, M.D.Dallas, TX 753901902192123

Common questions

What is Charles Harrison Matthews, M.D.'s NPI number?

Charles Harrison Matthews, M.D.'s National Provider Identifier (NPI) is 1689899676, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charles Harrison Matthews, M.D. located?

The NPPES record lists a practice address at 2600 Saint Michael Dr, Texarkana, TX, 75503. Phone: (903) 614-2666. Providers update this record themselves, so call before visiting.

How can I verify Charles Harrison Matthews, M.D.'s license?

NPPES lists Texas license number Q2340, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles Harrison Matthews, M.D. prescribe under Medicare Part D?

In 2024, Charles Harrison Matthews, M.D. had 46 Medicare Part D claims for 23 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.