Abigail Chaisson Keough, PA-C
NPI 1588146385ActiveIndividual· Physician Assistant, Surgical· Danbury, CT
Physician Assistant, Surgical (PA-C) with Orthoconnecticut PLLC, practicing in Danbury, Connecticut. 157 Medicare patients in 2024, $20,286 paid; nearly all of their 426 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 5 companies reporting payments in 2025, $672.05 in all, mostly food and beverage. Lists Danbury Hospital as a hospital affiliation.
Overview
| NPI | 1588146385 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 29, 2018 |
| Last updated in NPPES | Oct 12, 2023 |
| Certified by provider | Oct 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 6257 | CT |
| Specialist/Technologist, Athletic Trainer | 2255A2300X | 104.0113434 | VT |
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 | 157 |
|---|---|
| Services billed | 1,070 across 58 procedure codes |
| Paid by Medicare | $20,286 |
Part D prescriptions in 2024
| Prescriptions (claims) | 426 · 435 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $2,533 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Orthoconnecticut PLLCNew Milford, CT · 84 clinicians
Hospital affiliation
- Danbury HospitalDanbury, CT
Industry payments (Open Payments)
- 2025$672.05 · 9 payments from 5 companies
- 2024$489.99 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $344.55 | 2 |
| Bioventus LLC | $137.04 | 3 |
| Depuy Synthes Sales Inc. | $114.45 | 1 |
| Vertex Pharmaceuticals Incorporated | $56.67 | 2 |
| Ferring Pharmaceuticals Inc. | $19.34 | 1 |
What the 2025 payments were for
- Food and Beverage$672.05 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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