Kenneth Mauer, MD
NPI 1407848310 · Specialist · Fairfield, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Mauer, MD is a Specialist provider in Fairfield, CT (NPI 1407848310).
Provider details
- NPI number
- 1407848310
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 029845 (CT)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,234 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 293 | $96 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 236 | $106 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 177 | $261 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $134 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 53 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 1,034 | 289 |
| Pantoprazole Sodium | 881 | 282 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 346 | 337 |
| Famotidine | 194 | 71 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 104 | 103 |
| Ondansetronbrand: Ondansetron Odt | 82 | 45 |
| Linaclotidebrand: Linzess |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,442 across 93 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-17
- Last updated
- 2007-10-30
Frequently asked questions
- What is Kenneth Mauer's NPI number?
- Kenneth Mauer's National Provider Identifier (NPI) is 1407848310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Mauer's specialty?
- Kenneth Mauer is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Kenneth Mauer located?
- Kenneth Mauer's practice location on file with NPPES is 425 Post Rd, Fairfield, CT 06824-6232.
- What is Kenneth Mauer's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Mauer is (203) 292-9000.
- Does Kenneth Mauer accept Medicare?
- Kenneth Mauer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Mauer's NPI active?
- Yes — Kenneth Mauer's NPI (1407848310) is active in the NPPES registry as of the last update on 2007-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.