Olivia A. Casimir, PA-C
NPI 1447001060ActiveIndividual· Physician Assistant· Bristol, CT
Physician Assistant (PA-C) with Connecticut Gi PLLC, practicing in Bristol, Connecticut. Enrolled in Medicare as practitioner - physician assistant. Madrigal Pharmaceuticals was the largest of 16 companies reporting payments in 2025, $2,047 in all, mostly food and beverage. Lists Bristol Hospital as a hospital affiliation.
Overview
| NPI | 1447001060 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2024 |
| Last updated in NPPES | Sep 27, 2024 |
| Certified by provider | Sep 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 6773 | 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 - Physician Assistant (CT) |
|---|
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliation
- Bristol HospitalBristol, CT
Industry payments (Open Payments)
- 2025$2,047 · 53 payments from 16 companies
- 2024$462.70 · 15 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $461.57 | 5 |
| Phathom Pharmaceuticals, Inc. | $277.72 | 11 |
| Janssen Biotech, Inc. | $271.17 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $259.37 | 12 |
| Lilly USA, LLC | $138.60 | 2 |
What the 2025 payments were for
- Food and Beverage$2,047 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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