Aaron Willen, DO
NPI 1316352776ActiveIndividual· Emergency Medicine· Saratoga Springs, NY
Emergency Medicine (DO) in Saratoga Springs, New York, trained at Philadelphia College of Osteopathic Medicine (class of 2014). 252 Medicare patients in 2024, $30,918 paid; nearly all of their 323 Part D prescriptions were generic (96%).
Overview
| NPI | 1316352776 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 24, 2014 |
| Last updated in NPPES | May 16, 2022 |
| Certified by provider | May 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 302721 | 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 - Emergency Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 252 |
|---|---|
| Services billed | 301 across 18 procedure codes |
| Paid by Medicare | $30,918 |
Part D prescriptions in 2024
| Prescriptions (claims) | 323 · 323 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $5,171 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Emergency Medicine |
Medical group
- Island Emergency Medical Services PCSchenecctady, NY · 137 clinicians
Hospital affiliation
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 24 emergency medicine physicians in Saratoga Springs · All emergency medicine physicians in New York