NPPES file of Aug 9, 2026

Ali Aamar

Gastroenterology Physician · Houston, TX

Ali Aamar is a gastroenterology physician with a practice address in Houston, Texas, and NPI 1922419209, issued on May 8, 2014. Check the license (Texas T5801, 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
1922419209
Name
Ali Aamar
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
T5801 TX
Self-reported in NPPES; status is on the state search
Practice location
18123 Upper Bay RD Ste 400, Houston, TX 77058
Phone
(281) 523-3320
Enumerated
May 8, 2014
Record last updated
Aug 6, 2025
Fax
(281) 523-3321
Medicare enrollment
Enrolled (PECOS I20220805001130); 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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8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →

Also registered at 18123 Upper Bay RD Ste 400

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

  1. Ahmed Ali, M.D.Surgery Physician1730610866
  2. Bingzhong Chen, M.D.Neurology Physician1306058292
  3. Muhammad Farooqui, M.D.Gastroenterology Physician1356768303
  4. Donna JoseRheumatology Physician1093169831
  5. Ellen Li, PA-CPhysician Assistant1437976990
  6. Saima Manzoor, MDEndocrinology, Diabetes & Metabolism Physician1629432984

Verify Ali Aamar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T5801    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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16% fewer Medicare Part D claims than the average gastroenterology physician in 2024

682 Medicare Part D claims for 330 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Ali Aamar682
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium191 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf94 claims
  3. Plenvu53 claims
  4. Dicyclomine Hcl48 claims
  5. Omeprazole34 claims
  6. Famotidine25 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: $170.97

7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ali Aamar$170.97
  2. Specialty average$5,015.95

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. Houston Methodist Specialty PhysiciansHouston, TX
  2. Tmh Physician Associates PLLCBaytown, TX

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

Ali Aamar among 1,478 gastroenterology physician records in Texas

Ali Aamar is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2010 · median 2003 among the 1,175 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Texas

There are 1,478 gastroenterology physician records in Texas.

All 1,478 in Texas → Every provider in Houston → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Muhammad Farooqui, M.D.Houston, TX 770581356768303
  2. Valentine Millien, M.D./PH.D.Houston, TX 770581841670205
  3. Maryam Seyedain, MDHouston, TX 770571871864843
  4. Craig Johnson, M.D.Houston, TX 770561629163571
  5. Pedro Arguello, M.D.Houston, TX 770551508876939
  6. Ernst DorschHouston, TX 770551578530176
  7. David Nemoto, M.D.Houston, TX 770551528240686
  8. Mohammade Zafarnia, M.D.Houston, TX 770551023039989

Common questions

What is Ali Aamar's NPI number?

Ali Aamar's National Provider Identifier (NPI) is 1922419209, issued on May 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ali Aamar located?

The NPPES record lists a practice address at 18123 Upper Bay RD Ste 400, Houston, TX, 77058. Phone: (281) 523-3320. Providers update this record themselves, so call before visiting.

How can I verify Ali Aamar's license?

NPPES lists Texas license number T5801, 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 Ali Aamar prescribe under Medicare Part D?

In 2024, Ali Aamar had 682 Medicare Part D claims for 330 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.