NPPES file of Aug 9, 2026

Ammar Mohamed-Ali Halloum, M.D.

Pulmonary Disease Physician · Brownsville, TX

Ammar Mohamed-Ali Halloum, M.D. is a pulmonary disease physician with a practice address in Brownsville, Texas, and NPI 1043300148, issued on Oct 13, 2006. Check the license (Texas M4804, 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
1043300148
Name
Ammar Mohamed-Ali Halloum
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
M4804 TX
Self-reported in NPPES; status is on the state search
Practice location
844 Central Blvd, Brownsville, TX 78520
Phone
(956) 428-7862
Enumerated
Oct 13, 2006
Record last updated
Feb 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(956) 440-0395
Medicaid IDs
183807002 TX
183807001 TX
Medicare enrollment
Enrolled (PECOS I20070223000499); 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.
Download card Updates feed

Also registered at 844 Central Blvd

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

  1. Rosalba Balderas, FNPFamily Nurse Practitioner1598339327
  2. Claudia Garcia, M.D.Obstetrics & Gynecology Physician1336121482
  3. Charity Hill, PTPhysical Therapist1558547505
  4. Jose Maymi, MDUrology Physician1093717639
  5. Ricardo Schwarcz, MDPulmonary Disease Physician1083898258
  6. Stanley Sy, M.D.Pulmonary Disease Physician1740231893

Verify Ammar Mohamed-Ali Halloum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M4804
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

96% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

57 Medicare Part D claims for 32 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.

  1. Ammar Halloum57
  2. Specialty average1,425

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: $100.02

1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ammar Halloum$100.02
  2. Specialty average$5,159.88

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. Benchmark Inpatient Services PLLCBrownsville, TX
  2. Bhs Physicians Network, IncHarlingen, TX

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

Ammar Mohamed-Ali Halloum among 967 pulmonary disease physician records in Texas

Ammar Mohamed-Ali Halloum, M.D. is one of 967 pulmonary disease physician records with a practice address in Texas. 88% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 52% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated1997 · median 2001 among the 773 with a school on file
  • Record last updated2012 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Texas

There are 967 pulmonary disease physician records in Texas.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Ricardo Schwarcz, MDBrownsville, TX 785201083898258
  2. Stanley Sy, M.D.Brownsville, TX 785201740231893
  3. Charles Zavala, M.D.Brownsville, TX 785261598805632
  4. Juan Chavez Paz, M.D.McAllen, TX 785041104003607
  5. Antonio Degorordo Arzamendi, M.D.McAllen, TX 785041497890198
  6. Juan Pablo Sarmiento, M.D.McAllen, TX 785041568625432
  7. Jose Vallejo-Manzur, M.D.McAllen, TX 785041447396015
  8. Numan Arafat, MDMcAllen, TX 785031043210396

Common questions

What is Ammar Mohamed-Ali Halloum, M.D.'s NPI number?

Ammar Mohamed-Ali Halloum, M.D.'s National Provider Identifier (NPI) is 1043300148, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ammar Mohamed-Ali Halloum, M.D. located?

The NPPES record lists a practice address at 844 Central Blvd, Brownsville, TX, 78520. Phone: (956) 428-7862. Providers update this record themselves, so call before visiting.

How can I verify Ammar Mohamed-Ali Halloum, M.D.'s license?

NPPES lists Texas license number M4804, 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 Ammar Mohamed-Ali Halloum, M.D. prescribe under Medicare Part D?

In 2024, Ammar Mohamed-Ali Halloum, M.D. had 57 Medicare Part D claims for 32 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.

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.