Doctor profile · Federal record

Dr. Ammar Halloum, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Internal Medicine Physician · Brownsville, TX

  • NPI 1043300148
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
844 Central Blvd, 420
Brownsville, TX 785207552
(956) 428-7862
fax (956) 440-0395
Mailing address
510 Victoria Lane, Suite 1
Harlingen, TX 785507840

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 29, 2012
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Texas #M4804
Medicaid (2)
TX #183807002 · TX #183807001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043300148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
890
Distinct HCPCS
6
Medicare allowed
$137,620
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 418 156 $203
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 338 148 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 67 34 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 36 $167
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 18 18 $80
99239 Hospital discharge day management, more than 30 minutes 13 13 $110

In context: peer comparison

Among 2 peers in this city , average services per provider: 161. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$100
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $100.02

By nature of payment

Food and Beverage
$100

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ammar Halloum's medical specialty?
Dr. Ammar Halloum practices Pulmonary Disease Physician in Brownsville, TX.
Where does Dr. Ammar Halloum practice?
Dr. Ammar Halloum practices at 844 Central Blvd, Brownsville, TX 785207552. Office phone: 9564287862.
What is Dr. Ammar Halloum's NPI?
Dr. Ammar Halloum's National Provider Identifier (NPI) is 1043300148, issued by NPPES.
Does Dr. Ammar Halloum accept Medicare assignment?
Yes. Dr. Ammar Halloum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ammar Halloum commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.