Registry data as of Aug 27, 2026

Kathryn Lewis, M.D.

Radiation Oncology Physician · Nacogdoches, TX

Kathryn Lewis, M.D. is a radiation oncology physician with a practice address in Nacogdoches, Texas, and NPI 1215920640, issued on Aug 31, 2005. Check the license (Texas H0564, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1215920640
Name
Kathryn Lewis
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
H0564 TX
Self-reported in NPPES; status is on the state search
Practice location
4920 N.E. Stallilngs Drive, Nacogdoches, TX 75961
Phone
(936) 568-3493
Enumerated
Aug 31, 2005
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 Kathryn Lewis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H0564
    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

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

3.8 times the Medicare Part D claims of the average radiation oncology physician in 2024

513 Medicare Part D claims for 142 beneficiaries, against an average of 135 among the 4,225 providers of this specialty who prescribed in Part D. 81 claims were for opioids.

  1. Kathryn Lewis513
  2. Specialty average135

Most prescribed

  1. Tamsulosin Hcl59 claims
  2. Gabapentin47 claims
  3. Hydrocodone-Acetaminophen32 claims
  4. Ibuprofen24 claims
  5. Lidocaine Hcl Viscous24 claims
  6. Levothyroxine Sodium20 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 practice group's Medicare quality score for 2023: 81.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score89.0
  2. Costout of 100 · 30%37.4
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $129.32

5 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 2,851 providers of this specialty with any payment received $1,903.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathryn Lewis$129.32
  2. Specialty average$1,903.20

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

One hospital or facility affiliation

  1. Southern Illinois Radiation Oncology LLCCarterville, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Radiation Oncology Physician providers in Texas

There are 392 radiation oncology physician records in Texas.

Other radiation oncology physician records in Texas

  1. Ramzi Abdulrahman, MDLubbock, TX1790718203
  2. Stephen Acker, M.D.Georgetown, TX1881784221
  3. Mediha Ahmad, M.D.Victoria, TX1124447255
  4. Neelofur Ahmad, M.D.Houston, TX1154320976
  5. Awad Ahmed, MDHarlingen, TX1851702831
  6. Robin Akins, M.D.San Antonio, TX1174691133
  7. Karine Al FeghaliHouston, TX1861999161
  8. Kevin Albuquerque, MDDallas, TX1457338329
  9. Mohammed Aldehaim, MD, FRCPCHouston, TX1306322979
  10. Maureen AliruKingwood, TX1184252553

Common questions

What is Kathryn Lewis, M.D.'s NPI number?

Kathryn Lewis, M.D.'s National Provider Identifier (NPI) is 1215920640, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Lewis, M.D. located?

The NPPES record lists a practice address at 4920 N.E. Stallilngs Drive, Nacogdoches, TX, 75961. Phone: (936) 568-3493. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Lewis, M.D.'s license?

NPPES lists Texas license number H0564, 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 Kathryn Lewis, M.D. prescribe under Medicare Part D?

In 2024, Kathryn Lewis, M.D. had 513 Medicare Part D claims for 142 beneficiaries; the average among radiation oncology physician prescribers was 135. Part D covers Medicare prescriptions only.

What is Kathryn Lewis, M.D.'s Medicare quality score?

The 2023 MIPS final score is 81.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.