Marissa Crofut
NPI 1952959546ActiveIndividual· Physician Assistant· Norwalk, CT
Physician Assistant with Nuvance Health Medical Practice CT Inc, practicing in Norwalk, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $59,851 for 179 claims, against $5,148 paid for services in 2024. Vertex Pharmaceuticals Incorporated was the largest of 16 companies reporting payments in 2025, $561.07 in all, mostly food and beverage. Lists Danbury Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1952959546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 28, 2019 |
| Last updated in NPPES | Oct 29, 2020 |
| Certified by provider | Oct 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5026 | CT |
| Physician Assistant | 363A00000X | 023926 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CT); Practitioner - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 54 across 26 procedure codes |
| Paid by Medicare | $5,148 |
Part D prescriptions in 2024
| Prescriptions (claims) | 179 · 214 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $59,851 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
Hospital affiliations
- Danbury HospitalDanbury, CT
- Norwalk HospitalNorwalk, CT
Industry payments (Open Payments)
- 2025$561.07 · 23 payments from 16 companies
- 2024$559.26 · 23 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $120.30 | 4 |
| Incyte Corporation | $60.32 | 3 |
| Rigel Pharmaceuticals, Inc. | $50.86 | 2 |
| Janssen Biotech, Inc. | $35.09 | 1 |
| Jazz Pharmaceuticals Inc. | $33.26 | 2 |
What the 2025 payments were for
- Food and Beverage$561.07 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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