Marissa Stewart, PA-C
NPI 1033707542ActiveIndividual· Physician Assistant· Daytona Beach, FL
Physician Assistant (PA-C) with Ability Health Services and Rehabilitation LP and 2 other groups, practicing in Daytona Beach, Florida. 221 Medicare patients in 2024, $31,618 paid; nearly all of their 422 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 6 companies reporting payments in 2025, $194.99 in all, mostly food and beverage. Lists Adventhealth Daytona Beach and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1033707542 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 10, 2021 |
| Last updated in NPPES | Oct 31, 2022 |
| Certified by provider | Oct 31, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 9115960 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 221 |
|---|---|
| Services billed | 429 across 41 procedure codes |
| Paid by Medicare | $31,618 |
Part D prescriptions in 2024
| Prescriptions (claims) | 422 · 447 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $6,271 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Ability Health Services and Rehabilitation LPSanford, FL · 1,269 clinicians
- Ability Health Services, IncSanford, FL · 1,258 clinicians
- Florida Hospital Healthcare Partners, IncPalm Coast, FL · 642 clinicians
Hospital affiliations
- Adventhealth Daytona BeachDaytona Beach, FL
- Adventhealth DelandDeland, FL
- Adventhealth Fish MemorialOrange City, FL
- Adventhealth Palm Coast ParkwayPalm Coast, FL
- Adventhealth Palm CoastPalm Coast, FL
Industry payments (Open Payments)
- 2025$194.99 · 7 payments from 6 companies
- 2024$202.53 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $58.17 | 1 |
| Vertex Pharmaceuticals Incorporated | $47.97 | 2 |
| Microtransponder, Inc. | $28.13 | 1 |
| Ossdsign USA Incorporated | $24.25 | 1 |
| Boston Scientific Corporation | $22.52 | 1 |
What the 2025 payments were for
- Food and Beverage$194.99 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 physician assistants in Daytona Beach · All physician assistants in Florida