NPPES file of Aug 9, 2026

Wendy S. Markowitz, M.D.

Pediatrics Physician · Longview, TX

Wendy S. Markowitz, M.D. is a pediatrics physician with a practice address in Longview, Texas, and NPI 1659477222, issued on Sep 14, 2006. Check the license (Texas M8162, 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
1659477222
Name
Wendy S. Markowitz
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
M8162 TX
Self-reported in NPPES; status is on the state search
Practice location
1009 N 4TH St, Longview, TX 75601
Phone
(903) 212-4330
Enumerated
Sep 14, 2006
Record last updated
Mar 26, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(903) 212-4333
Medicaid ID
282086201 TX
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 1009 N 4TH St

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

  1. Eric Chen, M.D.Pediatrics Physician1891716510
  2. Todd Holman, M.D.Allergy & Immunology Physician1982607776
  3. Amanda Prince Chen, CPNPPediatric Nurse Practitioner1316170160

Verify Wendy S. Markowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M8162    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: $19.23

1 payment: food and beverage; the largest payer was Pfizer 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. Wendy Markowitz$19.23
  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.

Wendy S. Markowitz among 5,641 pediatrics physician records in Texas

Wendy S. Markowitz, 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 updated2018 · 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).

28 pediatrics physician records list a practice address in Longview

They are 28 of the 2,066 NPPES records with a practice address in Longview, and 5,641 pediatrics physician records in Texas.

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

The 8 pediatrics physician records with the nearest ZIP codes

  1. Eric Chen, M.D.Longview, TX 756011891716510
  2. Udeme Ekpenyong, MDLongview, TX 756011407086333
  3. Rebecca Hough, MDLongview, TX 756011891773040
  4. Robert Hough, MDLongview, TX 756011457494296
  5. Christopher Ihionkhan, M.D.Longview, TX 756011407851249
  6. Kathleen McCrory, DOLongview, TX 756011881671303
  7. Annette Okpeki, M.D.Longview, TX 756011699774489
  8. Haley Pool, CPNP-PCLongview, TX 756011881356384

Common questions

What is Wendy S. Markowitz, M.D.'s NPI number?

Wendy S. Markowitz, M.D.'s National Provider Identifier (NPI) is 1659477222, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wendy S. Markowitz, M.D. located?

The NPPES record lists a practice address at 1009 N 4TH St, Longview, TX, 75601. Phone: (903) 212-4330. Providers update this record themselves, so call before visiting.

How can I verify Wendy S. Markowitz, M.D.'s license?

NPPES lists Texas license number M8162, 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.