Doctor profile · Federal record

Dr. Riaz Chowdhury, M.D, PHD

Gastroenterology Physician (CMS: Gastroenterology) · Raleigh, NC

  • NPI 1750348769
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3024 New Bern Ave
Raleigh, NC 276101247
(919) 350-5318
fax (919) 350-7771
Mailing address
2920 Highwoods Blvd
Raleigh, NC 276040010

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 24, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
North Carolina #200400197
Medicaid
NC #89136H5

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750348769. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
676
Distinct HCPCS
10
Medicare allowed
$89,206
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 139 135 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 78 68 $122
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 77 76 $88
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 65 65 $234
45380 Biopsy of large bowel using a flexible endoscope 59 59 $106
99214 Established patient office or other outpatient visit, 30-39 minutes 52 50 $95
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 29 $77
99204 New patient office or other outpatient visit, 45-59 minutes 34 34 $155
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $129
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 29 29 $95

In context: peer comparison

Among 22 peers in Raleigh Gastroenterology Physician, average services per provider: 85. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$684
Transactions
29
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 15 $266.11
Boston Scientific Corporation 1 $142.81
Braintree Laboratories, INC. 2 $51.55
Takeda Pharmaceuticals U.S.A., INC. 2 $39.90
Celgene Corporation 2 $32.28
Gilead Sciences, INC. 1 $25.96
Genzyme Corporation 1 $24.22
Janssen Biotech, INC. 1 $23.16
Madrigal Pharmaceuticals 1 $22.26
Qol Medical, LLC 1 $20.85
Endogastric Solutions, INC 1 $17.70
Phathom Pharmaceuticals, INC. 1 $16.93

By nature of payment

Food and Beverage
$684

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
873
Patients
351
Total drug cost
$171,838
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 289 98 $3,967
Famotidine Generic 131 51 $1,168
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 64 64 $1,059
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 62 61 $5,073
Colestipol Hcl Generic 50 17 $2,300
Linzess (Linaclotide) Brand 50 17 $51,473
Lactulose Generic 36 12 $1,715
Motegrity (Prucalopride Succinate) Brand 30 0 $22,135
Omeprazole Generic 29 0 $532
Promethazine Hcl Generic 28 0 $121

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Riaz Chowdhury's medical specialty?
Dr. Riaz Chowdhury practices Gastroenterology Physician in Raleigh, NC.
Where does Dr. Riaz Chowdhury practice?
Dr. Riaz Chowdhury practices at 3024 New Bern Ave, Raleigh, NC 276101247. Office phone: 9193505318.
What is Dr. Riaz Chowdhury's NPI?
Dr. Riaz Chowdhury's National Provider Identifier (NPI) is 1750348769, issued by NPPES.
Does Dr. Riaz Chowdhury accept Medicare assignment?
Yes. Dr. Riaz Chowdhury accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Riaz Chowdhury commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.