Edwin Koo
NPI 1700538956ActiveIndividual· Physician Assistant· Roslyn, NY
Physician Assistant with Samaritan Medical Services PC, practicing in Roslyn, New York. Their prescriptions cost Medicare Part D more than their services did: $6,629 for 127 claims, against $973.82 paid for services in 2024. Atricure, Inc. was the largest of 5 companies reporting payments in 2025, $383.94 in all, mostly food and beverage. Lists Good Samaritan Hospital Medical Center as a hospital affiliation.
Overview
| NPI | 1700538956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 19, 2022 |
| Last updated in NPPES | Mar 2, 2022 |
| Certified by provider | Jan 31, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
| Physician Assistant, Medical | 363AM0700X | — | — |
| Physician Assistant, Surgical | 363AS0400X | — | — |
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 | 12 |
|---|---|
| Services billed | 12 across 4 procedure codes |
| Paid by Medicare | $973.82 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 133 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $6,629 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Samaritan Medical Services PCWest Islip, NY · 354 clinicians
Hospital affiliation
- Good Samaritan Hospital Medical CenterWest Islip, NY
Industry payments (Open Payments)
- 2025$383.94 · 6 payments from 5 companies
- 2024$109.59 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $189.14 | 2 |
| Baxter Healthcare | $112.19 | 1 |
| Medtronic, Inc. | $33.13 | 1 |
| Kestra Medical Technology Services, Inc. | $25.40 | 1 |
| Edwards Lifesciences Corporation | $24.08 | 1 |
What the 2025 payments were for
- Food and Beverage$383.94 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 122 physician assistants in Roslyn · All physician assistants in New York