Amanda Siminerio, PA-C
NPI 1497184709ActiveIndividual· Physician Assistant· Waterford, CT
Physician Assistant (PA-C) with Connecticut Gi PLLC, practicing in Waterford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $356,690 for 943 claims, against $21,678 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $3,864 in all, mostly food and beverage. Lists Lawrence & Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1497184709 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Nov 6, 2013 |
| Last updated in NPPES | Jun 26, 2023 |
| Certified by provider | Jun 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 3013 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 328 across 11 procedure codes |
| Paid by Medicare | $21,678 |
Part D prescriptions in 2024
| Prescriptions (claims) | 943 · 1,633 30-day fills |
|---|---|
| Patients | 406 |
| Total drug cost | $356,690 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Lawrence & Memorial HospitalNew London, CT
- William W Backus HospitalNorwich, CT
Industry payments (Open Payments)
- 2025$3,864 · 154 payments from 21 companies
- 2024$2,961 · 139 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $632.60 | 28 |
| Takeda Pharmaceuticals U.S.A., Inc. | $506.48 | 19 |
| Ardelyx, Inc. | $383.72 | 15 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $334.31 | 16 |
| Janssen Biotech, Inc. | $268.87 | 10 |
What the 2025 payments were for
- Food and Beverage$3,864 · 154 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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