NPPES file of Aug 9, 2026

Neville Saul Leibman, MD

Anesthesiology Physician · Houston, TX

Neville Saul Leibman, MD is an anesthesiology physician with a practice address in Houston, Texas, and NPI 1720130313, issued on Jan 17, 2007. Check the license (Texas L6494, 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
1720130313
Name
Neville Saul Leibman
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
L6494 TX
Self-reported in NPPES; status is on the state search
Practice location
1500 Citywest Blvd, Houston, TX 77042
Phone
(713) 620-4000
Enumerated
Jan 17, 2007
Record last updated
Jul 5, 2022
Fax
(713) 458-4229
Medicare enrollment
Enrolled (PECOS I20080610000239); accepts Medicare assignment
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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Also registered at 1500 Citywest Blvd

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

  1. Mary Ann Adair, CRNACertified Registered Nurse Anesthetist1205913225
  2. Pedro Alaniz, M.D.Anesthesiology Physician1811198930
  3. Natalie Albert, AAAnesthesiologist Assistant1104109909
  4. Sandra Alexander, M.D.Anesthesiology Physician1528382546
  5. Genevieve Ali, MDAnesthesiology Physician1699756429
  6. Navroz Ali, CRNACertified Registered Nurse Anesthetist1598038994

Verify Neville Saul Leibman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L6494
    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 one group practice

  1. Kelsey-Seybold Medical Group, PLLCHouston, TX

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

Neville Saul Leibman among 4,635 anesthesiology physician records in Texas

Neville Saul Leibman, MD is one of 4,635 anesthesiology physician records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 42% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1999 · median 2005 among the 3,293 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,130 anesthesiology physician records list a practice address in Houston

They are 1,130 of the 61,221 NPPES records with a practice address in Houston, and 4,635 anesthesiology physician records in Texas.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Larry Cato, M.D.Houston, TX 770421972503795
  2. Gilbert Chin, M.D.Houston, TX 770421184624090
  3. Yvonne Clement-Cormier, M.D.Houston, TX 770421649271107
  4. Donald Cline, MDHouston, TX 770421619965985
  5. Paul Hanslik, MDHouston, TX 770421669476941
  6. Paul Loubser, MDHouston, TX 770421437152063
  7. Dominique Nguyen, MDHouston, TX 770421003805813
  8. Asim-Nazir Raja, M.D.Houston, TX 770421679568653

Common questions

What is Neville Saul Leibman, MD's NPI number?

Neville Saul Leibman, MD's National Provider Identifier (NPI) is 1720130313, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Neville Saul Leibman, MD located?

The NPPES record lists a practice address at 1500 Citywest Blvd, Houston, TX, 77042. Phone: (713) 620-4000. Providers update this record themselves, so call before visiting.

How can I verify Neville Saul Leibman, MD's license?

NPPES lists Texas license number L6494, 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.

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.