NPPES file of Aug 9, 2026

Leon L. Tung, M.D.

Critical Care Medicine (Internal Medicine) Physician · Webster, TX

Leon L. Tung, M.D. is a critical care medicine (internal medicine) physician with a practice address in Webster, Texas, and NPI 1700171287, issued on Jun 13, 2011. Check the license (Texas S1719, 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
1700171287
Name
Leon L. Tung
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
S1719 TX
MD.206583 LA
Self-reported in NPPES; status is on the state search
Practice location
200 Blossom St, Webster, TX 77598
Phone
(832) 632-6500
Enumerated
Jun 13, 2011
Record last updated
Apr 2, 2026
Fax
(832) 632-9297
Medicaid IDs
05459821 MP
2148940 LA
INTERN LA
Medicare enrollment
Enrolled (PECOS I20200204000821); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2011
Telehealth
Offers telehealth (CMS)
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 critical care medicine (internal medicine) physician records → All 413 in Texas → Look up another NPI →

Also registered at 200 Blossom St

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

  1. Imtiaz Ahmed, MD MCPS FACP FCCPPulmonary Disease Physician1215108907
  2. Hazel Alejandria, NPAcute Care Nurse Practitioner1144058389
  3. Mirza Baig, M.D.Pulmonary Disease Physician1467805606
  4. Sara Bedrosian, M.S., CCC-SLPSpeech-Language Pathologist1841651932
  5. Marieflor Bocado, FNP-CFamily Nurse Practitioner1215498696
  6. Mark Bocado, NPFamily Nurse Practitioner1164929881

Verify Leon L. Tung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S1719    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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33% more Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

926 Medicare Part D claims for 187 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Leon Tung926
  2. Specialty average696

Most prescribed

  1. Albuterol Sulfate Hfa173 claims
  2. Breztri Aerosphere171 claims
  3. Montelukast Sodium71 claims
  4. Trelegy Ellipta60 claims
  5. Prednisone50 claims
  6. Fluticasone Propionate39 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.

Industry payments in 2024: $179.95

10 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leon Tung$179.95
  2. Specialty average$2,958.68

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

Bills Medicare through 2 group practices

  1. Christus Trinity ClinicTyler, TX
  2. Utmb Faculty Group PracticeWebster, TX

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

Leon L. Tung among 413 critical care medicine (internal medicine) physician records in Texas

Leon L. Tung, M.D. is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 57% of them.

  • NPI issued2011 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2011 · median 2007 among the 346 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Texas

There are 413 critical care medicine (internal medicine) physician records in Texas.

All 413 in Texas → Every provider in Webster → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Mohamed Fahmy, M.DWebster, TX 775981558643593
  2. Matthew MakowskiWebster, TX 775981124407663
  3. Salik Malik, MDWebster, TX 775981235586215
  4. Shehryar Masood, M.D.Webster, TX 775981932634540
  5. Jacy Retz, MDWebster, TX 775981285667089
  6. Syed Zaidi, DOWebster, TX 775981891283230
  7. Aysar Al-Husseini, MDLeague City, TX 775731407255482
  8. Bilal Al Kalaji, M.D.Galveston, TX 775551679218242

Common questions

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

Leon L. Tung, M.D.'s National Provider Identifier (NPI) is 1700171287, issued on Jun 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Leon L. Tung, M.D. located?

The NPPES record lists a practice address at 200 Blossom St, Webster, TX, 77598. Phone: (832) 632-6500. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number S1719, 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 Leon L. Tung, M.D. prescribe under Medicare Part D?

In 2024, Leon L. Tung, M.D. had 926 Medicare Part D claims for 187 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.