NPPES file of Aug 9, 2026

Liza Opper Thalheimer, M.D.

Surgery Physician · Houston, TX

Liza Opper Thalheimer, M.D. is a surgery physician with a practice address in Houston, Texas, and NPI 1720249469, issued on Jun 24, 2008. Check the license (Texas R0334, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720249469
Name
Liza Opper Thalheimer
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
R0334 TX
Self-reported in NPPES; status is on the state search
Practice location
5585 Weslayan St, Houston, TX 77005
Phone
(800) 991-6117
Enumerated
Jun 24, 2008
Record last updated
Feb 19, 2026
Medicare enrollment
Enrolled (PECOS I20161109000338); accepts Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2008
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 surgery physician records → All 2,192 in Texas → Look up another NPI →

Also registered at 5585 Weslayan St

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

  1. Mario Kapusta, M.D.Vascular Surgery Physician1437268943

Verify Liza Opper Thalheimer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R0334    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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Bills Medicare through 2 group practices

  1. Srinivas Rao MD PAThe Woodlands, TX
  2. Texas Uvc Medical PLLCHouston, TX

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

Liza Opper Thalheimer among 2,192 surgery physician records in Texas

Liza Opper Thalheimer, M.D. is one of 2,192 surgery physician records with a practice address in Texas. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 41% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2008 · median 2004 among the 1,350 with a school on file
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Texas

There are 2,192 surgery physician records in Texas.

All 2,192 in Texas → Every provider in Houston → Surgery Physician nationwide →

The 8 surgery physician records with the nearest ZIP codes

  1. Dana Myers, M.D.Houston, TX 770051154615219
  2. Dieu Rick Ngo, MDHouston, TX 770051396724910
  3. Gaston Casillas, M.D.Houston, TX 770041407807886
  4. Sheilendra Mehta, M.D.Houston, TX 770041477571016
  5. Terry Scarborough, M.D.Houston, TX 770041871522557
  6. Hadar Spivak, M.D.Houston, TX 770041053471854
  7. Jamie Terry, M.D.Houston, TX 770041437134491
  8. Stevenson Tsiao, MDHouston, TX 770041124489034

Common questions

What is Liza Opper Thalheimer, M.D.'s NPI number?

Liza Opper Thalheimer, M.D.'s National Provider Identifier (NPI) is 1720249469, issued on Jun 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Liza Opper Thalheimer, M.D. located?

The NPPES record lists a practice address at 5585 Weslayan St, Houston, TX, 77005. Phone: (800) 991-6117. Providers update this record themselves, so call before visiting.

How can I verify Liza Opper Thalheimer, M.D.'s license?

NPPES lists Texas license number R0334, 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.