Doctor profile · Federal record

Dr. Ali Aamar

Gastroenterology Physician (CMS: Gastroenterology) · Houston, TX

  • NPI 1922419209
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18123 Upper Bay RD Ste 400
Houston, TX 770583875
(281) 523-3320
fax (281) 523-3321

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
August 6, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #T5801

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922419209. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
759
Distinct HCPCS
10
Medicare allowed
$84,760
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 170 68 $80
99213 Established patient office or other outpatient visit, 20-29 minutes 76 67 $92
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 71 69 $88
99203 New patient office or other outpatient visit, 30-44 minutes 68 68 $114
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 57 55 $202
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 55 51 $130
99214 Established patient office or other outpatient visit, 30-39 minutes 48 38 $130
45380 Biopsy of large bowel using a flexible endoscope 45 44 $91
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 39 27 $51
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 35 35 $85

In context: peer comparison

Among 86 peers in this city , average services per provider: 77. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$171
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $96.65
Ipsen Biopharmaceuticals, Inc 1 $27.84
Olympus America Inc. 1 $24.70
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $21.78

By nature of payment

Food and Beverage
$171

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
503
Patients
316
Total drug cost
$39,191
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 174 86 $2,783
Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) Brand 73 71 $10,562
Dicyclomine Hcl Generic 50 19 $1,200
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 37 35 $654
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 30 30 $2,335
Omeprazole Generic 26 17 $315
Metronidazole Generic 23 22 $322
Famotidine Generic 22 0 $331
Ciprofloxacin Hcl Generic 20 16 $101
Doxycycline Hyclate Generic 20 20 $342

Frequently asked questions

Auto-generated from federal data
What is Dr. Ali Aamar's medical specialty?
Dr. Ali Aamar practices Gastroenterology Physician in Houston, TX.
Where does Dr. Ali Aamar practice?
Dr. Ali Aamar practices at 18123 Upper Bay RD Ste 400, Houston, TX 770583875. Office phone: 2815233320.
What is Dr. Ali Aamar's NPI?
Dr. Ali Aamar's National Provider Identifier (NPI) is 1922419209, issued by NPPES.
Does Dr. Ali Aamar accept Medicare assignment?
Yes. Dr. Ali Aamar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ali Aamar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.