Osman Nabih Dandan, PA
NPI 1598131799ActiveIndividual· Physician Assistant, Medical· Tustin, CA
Physician Assistant, Medical (PA) in Tustin, California, with an NPI issued in August 2015. Their prescriptions cost Medicare Part D more than their services did: $21,962 for 207 claims, against $4,245 paid for services in 2024. Echosens North America, Inc. was the largest of 4 companies reporting payments in 2025, $78.29 in all, mostly food and beverage.
Overview
| NPI | 1598131799 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Aug 11, 2015 |
| Last updated in NPPES | Jan 10, 2023 |
| Certified by provider | Jan 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 81 across 18 procedure codes |
| Paid by Medicare | $4,245 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 358 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $21,962 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$78.29 · 4 payments from 4 companies
- 2024$104.52 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Echosens North America, Inc. | $24.74 | 1 |
| Lilly USA, LLC | $22.82 | 1 |
| Cranial Technologies, Inc | $16.83 | 1 |
| Currax Pharmaceuticals LLC | $13.90 | 1 |
What the 2025 payments were for
- Food and Beverage$78.29 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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