Doctor profile · Federal record

Dr. Mariam Sauer, MD

Gastroenterology Physician (CMS: Gastroenterology) · Wilmington, NC

  • NPI 1184882227
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5115 Oleander Dr
Wilmington, NC 284037018
(910) 362-1011

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
North Carolina #146448

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184882227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
927
Distinct HCPCS
10
Medicare allowed
$119,371
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 261 256 $84
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 192 186 $233
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 66 66 $106
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 58 54 $104
99214 Established patient office or other outpatient visit, 30-39 minutes 56 53 $115
43450 Dilation of esophagus 51 47 $38
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $155
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 38 28 $75
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 24 24 $154
45378 Diagnostic exam of large bowel using a flexible endoscope 22 22 $147

In context: peer comparison

Among 10 peers in this city , average services per provider: 250. This provider delivers 3.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$310
Transactions
12
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 10 $178.15
GENZYME CORPORATION 1 $117.14
Medtronic, Inc. 1 $14.76

By nature of payment

Food and Beverage
$310

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
103
Patients
43
Total drug cost
$2,040
Drug Type Claims Patients Total cost
Omeprazole Generic 54 27 $907
Pantoprazole Sodium Generic 37 16 $1,005
Dicyclomine Hcl Generic 12 0 $129

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariam Sauer's medical specialty?
Dr. Mariam Sauer practices Gastroenterology Physician in Wilmington, NC.
Where does Dr. Mariam Sauer practice?
Dr. Mariam Sauer practices at 5115 Oleander Dr, Wilmington, NC 284037018. Office phone: 9103621011.
What is Dr. Mariam Sauer's NPI?
Dr. Mariam Sauer's National Provider Identifier (NPI) is 1184882227, issued by NPPES.
Does Dr. Mariam Sauer accept Medicare assignment?
Yes. Dr. Mariam Sauer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariam Sauer commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.