Doctor profile · Federal record

Dr. Mohammad Al-Assi, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Arlington, TX

  • NPI 1578554333
  • Accepts Medicare
  • MIPS 79.9 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1001 N Waldrop Dr, Ste. 509
Arlington, TX 760124705
(817) 394-4300
fax (817) 394-0200
Mailing address
Po Box 35629
Dallas, TX 752350629

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
May 16, 2013
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #J4684
Medicaid (2)
TX #081585402 · TX #100711404

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578554333. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
666
Distinct HCPCS
10
Medicare allowed
$77,016
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 127 106 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 100 83 $125
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 93 40 $117
45380 Biopsy of large bowel using a flexible endoscope 76 76 $106
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 52 44 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 46 13 $78
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 42 42 $232
99213 Established patient office or other outpatient visit, 20-29 minutes 33 32 $89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 30 $170
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $155

In context: peer comparison

Among 5 peers in this city , average services per provider: 53. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$686
Transactions
36
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 6 $118.66
Lilly USA, LLC 6 $117.76
Janssen Biotech, Inc. 6 $104.23
Regeneron Healthcare Solutions, Inc. 3 $65.81
AIMMUNE THERAPEUTICS, INC. 3 $51.96
Takeda Pharmaceuticals U.S.A., Inc. 2 $47.08
Ardelyx, Inc. 2 $43.62
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $30.29
Phathom Pharmaceuticals, Inc. 2 $29.60
Fresenius Kabi USA, LLC 1 $26.75
Intercept Pharmaceuticals, Inc. 1 $17.90
VIVUS LLC 1 $16.68
Enterra Medical, Inc. 1 $15.67

By nature of payment

Food and Beverage
$686

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,550
Patients
458
Total drug cost
$113,759
Drug Type Claims Patients Total cost
Omeprazole Generic 377 112 $6,945
Pantoprazole Sodium Generic 318 100 $5,128
Sucralfate Generic 255 72 $27,387
Dicyclomine Hcl Generic 135 44 $4,022
Promethazine Hcl Generic 73 0 $2,231
Linzess (Linaclotide) Brand 68 19 $57,398
Colestipol Hcl Generic 52 19 $4,689
Famotidine Generic 52 19 $1,452
Ciprofloxacin Hcl Generic 38 34 $278
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 38 14 $1,256

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohammad Al-Assi's medical specialty?
Dr. Mohammad Al-Assi practices Gastroenterology Physician in Arlington, TX.
Where does Dr. Mohammad Al-Assi practice?
Dr. Mohammad Al-Assi practices at 1001 N Waldrop Dr, Arlington, TX 760124705. Office phone: 8173944300.
What is Dr. Mohammad Al-Assi's NPI?
Dr. Mohammad Al-Assi's National Provider Identifier (NPI) is 1578554333, issued by NPPES.
Does Dr. Mohammad Al-Assi accept Medicare assignment?
Yes. Dr. Mohammad Al-Assi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohammad Al-Assi commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.