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- 5115 Oleander Dr, Wilmington, NC 28403
About Dr. Sauer
Mariam S. Sauer, MD practices gastroenterology in Wilmington, NC. Mariam is a 2002 graduate of University of North Carolina at Chapel Hill School of Medicine. Medicare claims data shows Mariam provided 930 services to 876 patients. The services billed most often include biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1184882227.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (910) 362-1011
- Email not available
Practice Locations
5115 OLEANDER DR
Wilmington, NC 28403
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
930 services · 876 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
250 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
185 | More than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
90 | More often than most peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
60 | More than most peers in Gastroenterology |
| Dilation of esophagus | Procedure | 43450 |
48 | More often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
23 | More often than most peers in Gastroenterology |
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
15 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
64 | As often as other peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
39 | As often as other peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
38 | As often as other peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Wilmington 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of North Carolina at Chapel Hill School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of North Carolina at Chapel Hill School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 7
Providers in NC who bill this service to Medicare most often.
Common questions
What does Dr. Sauer specialize in?
Dr. Sauer is a gastroenterologist in Wilmington, NC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Sauer located?
Dr. Sauer is listed at 5115 Oleander Dr, Wilmington, NC 28403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sauer's phone number?
The number on file is (910) 362-1011. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Sauer?
Dr. Sauer's National Provider Identifier is 1184882227. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Sauer go to medical school?
Dr. Sauer attended University of North Carolina at Chapel Hill School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sauer have?
Dr. Sauer has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sauer do most often?
According to Medicare billing data, Dr. Sauer performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sauer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sauer. If this is you, claiming it is free.
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