Josiane A. Tossa
NPI 1013538701ActiveIndividual· Physician Assistant· Bethesda, MD
Physician Assistant with American Oncology Partners PA, practicing in Bethesda, Maryland. Their prescriptions cost Medicare Part D more than their services did: $49,971 for 326 claims, against $17,695 paid for services in 2024. Janssen Biotech, Inc. was the largest of 44 companies reporting payments in 2025, $3,328 in all, mostly food and beverage.
Overview
| NPI | 1013538701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 4, 2020 |
| Last updated in NPPES | Dec 30, 2024 |
| Certified by provider | Dec 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | C0008465 | MD |
| Physician Assistant | 363A00000X | PA031839 | DC |
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 (DC); Practitioner - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 292 across 8 procedure codes |
| Paid by Medicare | $17,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 326 · 341 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $49,971 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
Industry payments (Open Payments)
- 2025$3,328 · 116 payments from 44 companies
- 2024$32.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $549.44 | 18 |
| Novartis Pharmaceuticals Corporation | $343.95 | 13 |
| Beone Medicines USA, Inc. | $272.66 | 6 |
| Merck Sharp & Dohme LLC | $168.50 | 7 |
| Daiichi Sankyo Inc. | $139.94 | 5 |
What the 2025 payments were for
- Food and Beverage$3,052 · 113 payments
- Education$275.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Bethesda
- 1528052990
- 1477792745
- 1063406494
- 1437469699
- 1346603594
- 1699176875
- 1639146152
- 1689668014
- 1942294384
- 1144847369
- 1033040126
- 1154878957