NPPES file of Aug 9, 2026

Theodore S. Piliszek, M.D.

Internal Medicine Physician · Houston, TX

Theodore S. Piliszek, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1245325612, issued on Oct 3, 2006. Check the license (Texas G1149, 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
1245325612
Name
Theodore S. Piliszek
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G1149 TX
Self-reported in NPPES; status is on the state search
Practice location
13661 Vermarion St, Houston, TX 77070
Phone
(281) 469-4156
Enumerated
Oct 3, 2006
Record last updated
Aug 9, 2026
Fax
(281) 469-7315
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 internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Verify Theodore S. Piliszek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G1149    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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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

117 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Theodore Piliszek117
  2. Specialty average3,176

Most prescribed

  1. Azithromycin22 claims
  2. Amoxicillin-Clavulanate Potass13 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.

Theodore S. Piliszek among 9,175 internal medicine physician records in Texas

Theodore S. Piliszek, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • 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 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,488 internal medicine physician records list a practice address in Houston

They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.

All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Maher Abbara, M.D.Houston, TX 770701750314217
  2. Syed Arshad, M.D.Houston, TX 770701255395125
  3. Tracy Carter, MDHouston, TX 770701316972185
  4. Amy Ciborowski, M.D.Houston, TX 770701669489704
  5. Michael Esantsi, M.D.Houston, TX 770701447260518
  6. Muhammad Hanif, M.D.Houston, TX 770701013999036
  7. Najmuddin Karimjee, M.D.Houston, TX 770701285660241
  8. Gurjit Kaur, DOHouston, TX 770701619933827

Common questions

What is Theodore S. Piliszek, M.D.'s NPI number?

Theodore S. Piliszek, M.D.'s National Provider Identifier (NPI) is 1245325612, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theodore S. Piliszek, M.D. located?

The NPPES record lists a practice address at 13661 Vermarion St, Houston, TX, 77070. Phone: (281) 469-4156. Providers update this record themselves, so call before visiting.

How can I verify Theodore S. Piliszek, M.D.'s license?

NPPES lists Texas license number G1149, 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 Theodore S. Piliszek, M.D. prescribe under Medicare Part D?

In 2024, Theodore S. Piliszek, M.D. had 117 Medicare Part D claims for 22 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

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.