Doctor profile · Federal record

Dr. Ali Raza, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Houston, TX

  • NPI 1558598862
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6550 Fannin St Ste 1201
Houston, TX 77030
(713) 441-7389

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
April 14, 2023
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #P2511

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558598862. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
822
Distinct HCPCS
10
Medicare allowed
$113,075
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 215 119 $128
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 73 69 $35
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 64 43 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 63 49 $80
99204 New patient office or other outpatient visit, 45-59 minutes 58 58 $169
43237 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 54 50 $150
43264 Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 53 37 $100
74328 Review by radiologist of image from tube placement into bile duct using an endoscope 45 31 $23
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 42 $132
43274 Insertion of stent into pancreatic or bile duct using a flexible endoscope 25 19 $374

In context: peer comparison

Among 86 peers in this city , average services per provider: 77. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$425
Transactions
23
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 13 $216.27
Olympus America Inc. 2 $44.31
Alcresta Therapeutics, Inc. 1 $33.20
Takeda Pharmaceuticals U.S.A., Inc. 1 $28.70
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $21.35
Inari Medical, Inc. 1 $21.32
GENZYME CORPORATION 1 $20.89
AIMMUNE THERAPEUTICS, INC. 1 $20.68
Ambu Inc. 2 $17.78

By nature of payment

Food and Beverage
$425

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
191
Patients
92
Total drug cost
$9,121
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 82 26 $1,431
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 65 55 $968
Dicyclomine Hcl Generic 32 11 $727
Linzess (Linaclotide) Brand 12 0 $5,995

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ali Raza's medical specialty?
Dr. Ali Raza practices Gastroenterology Physician in Houston, TX.
Where does Dr. Ali Raza practice?
Dr. Ali Raza practices at 6550 Fannin St Ste 1201, Houston, TX 77030. Office phone: 7134417389.
What is Dr. Ali Raza's NPI?
Dr. Ali Raza's National Provider Identifier (NPI) is 1558598862, issued by NPPES.
Does Dr. Ali Raza accept Medicare assignment?
Yes. Dr. Ali Raza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ali Raza commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.