NPPES file of Aug 9, 2026

Walter Leon, M.D.

Pediatrics Physician · Arlington, TX

Walter Leon, M.D. is a pediatrics physician with a practice address in Arlington, Texas, and NPI 1942263058, issued on Apr 10, 2006. Check the license (Texas H7569, 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
1942263058
Name
Walter Leon
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
H7569 TX
Self-reported in NPPES; status is on the state search
Practice location
3120 Matlock RD, Arlington, TX 76015
Phone
(817) 467-0889
Enumerated
Apr 10, 2006
Record last updated
Oct 11, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(817) 557-4676
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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8 nearest pediatrics physician records → All 5,641 in Texas → Look up another NPI →

Also registered at 3120 Matlock RD

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

  1. Linh Doan-Pham, DOPediatrics Physician1043286867
  2. Sharla Hays, D.O.Pediatrics Physician1477516599
  3. Elizabeth Keyes, M.D.Pediatrics Physician1518157916
  4. Lekeisha Whitaker, M.D.Pediatrics Physician1770719932
  5. Lyle Workman, M.D.Pediatrics Physician1346511714

Verify Walter Leon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H7569    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.

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Industry payments in 2024: $398.16

22 payments; by number, the most common kind was food and beverage; the largest payer was Tris Pharma Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Walter Leon$398.16
  2. Specialty average$842.05

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

Walter Leon among 5,641 pediatrics physician records in Texas

Walter Leon, M.D. is one of 5,641 pediatrics physician records with a practice address in Texas. 47% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 57% newer
  • In a Medicare fileYes · 47% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2011 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Texas

There are 5,641 pediatrics physician records in Texas.

All 5,641 in Texas → Every provider in Arlington → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Kenneth CarlsonArlington, TX 760151790723948
  2. Linh Doan-Pham, DOArlington, TX 760151043286867
  3. Maria Fisher, M.D.Arlington, TX 760151922130582
  4. Stephanie Gold, MDArlington, TX 760151750310959
  5. Sharla Hays, D.O.Arlington, TX 760151477516599
  6. Elizabeth Keyes, M.D.Arlington, TX 760151518157916
  7. Connie Maileg, MDArlington, TX 760151740340728
  8. Edward Moayyad, MDArlington, TX 760151093744393

Common questions

What is Walter Leon, M.D.'s NPI number?

Walter Leon, M.D.'s National Provider Identifier (NPI) is 1942263058, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Walter Leon, M.D. located?

The NPPES record lists a practice address at 3120 Matlock RD, Arlington, TX, 76015. Phone: (817) 467-0889. Providers update this record themselves, so call before visiting.

How can I verify Walter Leon, M.D.'s license?

NPPES lists Texas license number H7569, 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.

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.