Kenneth R. Mauer, MD
NPI 1407848310ActiveIndividual· Specialist· Fairfield, CT
Specialist (MD) in Fairfield, Connecticut, trained at New York University School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $718,172 for 3,564 claims, against $148,044 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,645 in all, mostly food and beverage.
Overview
| NPI | 1407848310 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 17, 2005 |
| Last updated in NPPES | Oct 30, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 029845 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 674 |
|---|---|
| Services billed | 1,287 across 32 procedure codes |
| Paid by Medicare | $148,044 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,564 · 7,597 30-day fills |
|---|---|
| Patients | 1,088 |
| Total drug cost | $718,172 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Gastroenterology |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- St Vincent's Medical CenterBridgeport, CT
Industry payments (Open Payments)
- 2025$1,645 · 93 payments from 18 companies
- 2024$1,508 · 97 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $352.03 | 16 |
| Janssen Biotech, Inc. | $319.07 | 10 |
| Madrigal Pharmaceuticals | $227.52 | 29 |
| Takeda Pharmaceuticals U.S.A., Inc. | $159.26 | 8 |
| Lilly USA, LLC | $119.76 | 7 |
What the 2025 payments were for
- Food and Beverage$1,645 · 93 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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