NPPES file of Aug 9, 2026

Mark Lekas, DO

Emergency Medicine Physician · Winnsboro, TX

Mark Lekas, DO is an emergency medicine physician with a practice address in Winnsboro, Texas, and NPI 1700827474, issued on Jun 10, 2006. Check the license (Texas K6090, 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
1700827474
Name
Mark Lekas
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
K6090 TX
Self-reported in NPPES; status is on the state search
Practice location
719 W Coke RD, Winnsboro, TX 75494
Phone
(903) 342-5227
Enumerated
Jun 10, 2006
Record last updated
May 16, 2023
Medicaid IDs
136538918 TX
136538922 TX
Medicare enrollment
Enrolled (PECOS I20040123000099); 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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Also registered at 719 W Coke RD

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

  1. June Beamer, MDDermatology Physician1639232952
  2. Kim Burlingham, MDPediatrics Physician1083700447
  3. Shelbi Cooper, FNPFamily Nurse Practitioner1437359601
  4. Gracee DamronRegistered Nurse1811825789
  5. Paul Driver, DOInternal Medicine Physician1093755621
  6. Ashley Hammons, APRN, FNPNurse Practitioner1033626643

Verify Mark Lekas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K6090
    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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63% fewer Medicare Part D claims than the average emergency medicine physician in 2024

84 Medicare Part D claims for 66 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Mark Lekas84
  2. Specialty average226

Most prescribed

  1. Diclofenac Sodium13 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.

Bills Medicare through one group practice

  1. Ipa ER Group PLLCTyler, TX

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

Mark Lekas among 4,885 emergency medicine physician records in Texas

Mark Lekas, DO is one of 4,885 emergency medicine physician records with a practice address in Texas. 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1995 · median 2013 among the 2,779 with a school on file
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 emergency medicine physician records list a practice address in Winnsboro

They are 5 of the 163 NPPES records with a practice address in Winnsboro, and 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Harrison, M.D.Winnsboro, TX 754941154307551
  2. Donald Middleton, MDWinnsboro, TX 754941033152517
  3. Troy Miller, MDWinnsboro, TX 754941174566988
  4. Joseph Pelli, M.D.Winnsboro, TX 754941205273802
  5. Robert Bowers, MDTexarkana, TX 755011710926258
  6. Robert Fry, M.D.Texarkana, TX 755011720089360
  7. Malcolm Machauer, M.D.Texarkana, TX 755011114928892
  8. Mark McCrary, M.D.Texarkana, TX 755011023019668

Common questions

What is Mark Lekas, DO's NPI number?

Mark Lekas, DO's National Provider Identifier (NPI) is 1700827474, issued on Jun 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Lekas, DO located?

The NPPES record lists a practice address at 719 W Coke RD, Winnsboro, TX, 75494. Phone: (903) 342-5227. Providers update this record themselves, so call before visiting.

How can I verify Mark Lekas, DO's license?

NPPES lists Texas license number K6090, 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 Mark Lekas, DO prescribe under Medicare Part D?

In 2024, Mark Lekas, DO had 84 Medicare Part D claims for 66 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.

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.