Johanna B. Cahill, PA
NPI 1255394904ActiveIndividual· Physician Assistant· Hartford, CT
Physician Assistant (PA) in Hartford, Connecticut, trained at Rutgers School of Dental Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $202,073 for 645 claims, against $33,071 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $268.19 in all, mostly food and beverage.
Overview
| NPI | 1255394904 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Apr 11, 2006 |
| Last updated in NPPES | Mar 28, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 001667 | 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 | 235 |
|---|---|
| Services billed | 541 across 7 procedure codes |
| Paid by Medicare | $33,071 |
Part D prescriptions in 2024
| Prescriptions (claims) | 645 · 1,652 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $202,073 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Rutgers School of Dental Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Physician Assistant |
Medical group
- Consulting Cardiologists PCWallingford, CT · 23 clinicians
Hospital affiliation
- Hartford HospitalHartford, CT
Industry payments (Open Payments)
- 2025$268.19 · 11 payments from 6 companies
- 2024$166.80 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $118.49 | 5 |
| Pfizer Inc. | $45.87 | 2 |
| Inspire Medical Systems, Inc. | $32.74 | 1 |
| Amgen Inc. | $25.47 | 1 |
| Bridgebio Pharma, Inc. | $23.84 | 1 |
What the 2025 payments were for
- Food and Beverage$268.19 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 283 physician assistants in Hartford · All physician assistants in Connecticut