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- 425 Post Rd, Fairfield, CT 06824
About Dr. Mauer
Kenneth R. Mauer, MD is a healthcare provider in Fairfield, CT specializing in gastroenterology. Kenneth trained at New York University School of Medicine, graduating in 1983. Kenneth is also listed as specializing in specialist. According to Medicare claims data, Kenneth cared for 1,115 Medicare patients across 1,234 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and removal of polyps or growths of large bowel using an endoscope with mechanical snare. This provider record is associated with NPI 1407848310.
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
- (203) 292-9000
- Email not available
Practice Locations
425 POST RD
Fairfield, CT 06824
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
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Lower endoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Upper endoscopy
- Endoscopic submucosal dissection
- Esophageal dilation
Capsule and physiology testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
Procedures Most Often Billed to Medicare
1,234 services · 1,115 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
236 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
177 | More than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
51 | As often as other peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
49 | More often than most peers in Gastroenterology |
| Dilation of esophagus | Procedure | 43450 |
24 | Less often than most peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
17 | As often as other peers in Gastroenterology |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
40 | Too few peers to compare |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
23 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
293 | More often than most 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 |
136 | 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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 24 related providers in 3 groups
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at New York University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CT who bill this service to Medicare most often.
Common questions
What is Dr. Mauer's specialty?
Dr. Mauer is a gastroenterologist in Fairfield, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Dr. Mauer?
Dr. Mauer is listed at 425 Post Rd, Fairfield, CT 06824. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mauer?
The number on file is (203) 292-9000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Mauer's NPI number?
Dr. Mauer's National Provider Identifier is 1407848310. 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
What is Dr. Mauer's medical education?
Dr. Mauer attended New York University School of Medicine, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mauer been practicing?
Dr. Mauer has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mauer known for?
According to Medicare billing data, Dr. Mauer performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope; provides treatments such as measurement of hydrogen in breath to test for stomach and bowel symptoms and imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mauer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mauer. If this is you, claiming it is free.
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