Doctor profile · Federal record

Dr. Mamun Shahrier, MD, PHD

Gastroenterology Physician (CMS: Gastroenterology) · Louisburg, NC

  • NPI 1881685428
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
626 N Bickett Blvd
Louisburg, NC 275492314
(919) 496-2745
fax (919) 496-3888

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
January 9, 2008
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RG0100X — NUCC code
Medicaid
NC #89134JU

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881685428. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
241
Distinct HCPCS
7
Medicare allowed
$30,076
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 60 58 $118
99213 Established patient office or other outpatient visit, 20-29 minutes 58 46 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 39 39 $91
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 35 35 $227
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $105
45378 Diagnostic exam of large bowel using a flexible endoscope 14 14 $167
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $158

In context: peer comparison

Among 1 peers in this city , average services per provider: 34. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$485
Transactions
25
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 9 $143.12
GENZYME CORPORATION 3 $82.33
Ardelyx, Inc. 3 $80.52
Intercept Pharmaceuticals, Inc. 3 $51.31
Novo Nordisk Inc 2 $28.23
Regeneron Healthcare Solutions, Inc. 1 $27.19
Madrigal Pharmaceuticals 1 $21.34
Takeda Pharmaceuticals U.S.A., Inc. 1 $21.19
PFIZER INC. 1 $17.04
Gilead Sciences, Inc. 1 $13.17

By nature of payment

Food and Beverage
$485

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
663
Patients
514
Total drug cost
$31,869
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 166 163 $2,985
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 151 145 $3,585
Ondansetron Odt (Ondansetron) Brand 117 113 $1,047
Famotidine Generic 65 22 $760
Pantoprazole Sodium Generic 57 15 $430
Linzess (Linaclotide) Brand 34 13 $21,803
Omeprazole Generic 33 14 $542
Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 29 29 $647
Amoxicillin Generic 11 0 $72

Frequently asked questions

Auto-generated from federal data
What is Dr. Mamun Shahrier's medical specialty?
Dr. Mamun Shahrier practices Gastroenterology Physician in Louisburg, NC.
Where does Dr. Mamun Shahrier practice?
Dr. Mamun Shahrier practices at 626 N Bickett Blvd, Louisburg, NC 275492314. Office phone: 9194962745.
What is Dr. Mamun Shahrier's NPI?
Dr. Mamun Shahrier's National Provider Identifier (NPI) is 1881685428, issued by NPPES.
Does Dr. Mamun Shahrier accept Medicare assignment?
Yes. Dr. Mamun Shahrier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mamun Shahrier commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); 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.