AMMAR MOHAMED-ALI HALLOUM (M.D.) – Pulmonary Disease Physician, NPI 1043300148
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,186 PULMONARY DISEASE in TX
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Provider Addresses for AMMAR MOHAMED-ALI HALLOUM (M.D.)
844, Central Boulevard, Brownsville, Texas, 78520, United States
420
BROWNSVILLE, TX 785207552
Phone: (956) 428-7862
Fax: (956) 440-0395
Type: Location
510, Victoria Lane, Harlingen, Cameron County, Texas, 78550, United States
SUITE 1
HARLINGEN, TX 785507840
Phone: (956) 428-7862
Fax: (956) 440-0395
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $100.
Total Amount is formed as General ($100) + Research ($0) + Ownership ($0) = $100.
Last reported payment date: 2024-03-07 • Largest payer in this snapshot: Lilly USA, LLC ($100).
Total Amount
$100
General + Research + Ownership
Payments
1
Total payment records
General Amount
$100
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $100 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-02-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070223000499 | I | Pulmonary Disease | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 418 | 156 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 338 | 148 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 67 | 34 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 36 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 18 | 18 | $0 |
Insurance plans in this area (ZIP 78520)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists), Internal Medicine | TX | |
| Pulmonary Disease, Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX |
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