Marissa Nicole Ionno, PA-C
NPI 1033654140ActiveIndividual· Physician Assistant, Medical· Sewell, NJ
Physician Assistant, Medical (PA-C) with Dermatology Center of Washington Township PC, practicing in Sewell, New Jersey. 434 Medicare patients in 2024, $111,829 paid; nearly all of their 598 Part D prescriptions were generic (98%). Botanix Sb Inc was the largest of 3 companies reporting payments in 2025, $47.18 in all, mostly food and beverage.
Overview
| NPI | 1033654140 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Dec 28, 2016 |
| Last updated in NPPES | Dec 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 25MP00421200 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 434 |
|---|---|
| Services billed | 3,174 across 27 procedure codes |
| Paid by Medicare | $111,829 |
Part D prescriptions in 2024
| Prescriptions (claims) | 598 · 696 30-day fills |
|---|---|
| Patients | 308 |
| Total drug cost | $22,441 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Dermatology Center of Washington Township PCSewell, NJ · 10 clinicians
Industry payments (Open Payments)
- 2025$47.18 · 3 payments from 3 companies
- 2024$32.49 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Botanix Sb Inc | $16.55 | 1 |
| Lnhc, Inc | $15.90 | 1 |
| Journey Medical Corporation | $14.73 | 1 |
What the 2025 payments were for
- Food and Beverage$47.18 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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