Julia Sungeun Ahn
NPI 1780055699ActiveIndividual· Physician Assistant· Stony Brook, NY
Physician Assistant in Stony Brook, New York, with an NPI issued in October 2015. Their prescriptions cost Medicare Part D more than their services did: $3,150 for 205 claims, against $1,357 paid for services in 2024.
Overview
| NPI | 1780055699 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 19, 2015 |
| Last updated in NPPES | Oct 5, 2022 |
| Certified by provider | Oct 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 16 across 6 procedure codes |
| Paid by Medicare | $1,357 |
Part D prescriptions in 2024
| Prescriptions (claims) | 205 · 218 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $3,150 |
| Generic share | 93% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 130 physician assistants in Stony Brook · All physician assistants in New York