Ryan O'Halloran, MD, MS
NPI 1396107488ActiveIndividual· Emergency Medicine· White Plains, NY
Emergency Medicine (MD, MS) with East Post Road Medical Services PC and 1 other group, practicing in White Plains, New York. 665 Medicare patients in 2024, $87,955 paid; nearly all of their 220 Part D prescriptions were generic (95%). Lists Montefiore New Rochelle Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1396107488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MS |
| Sole proprietor | Yes |
| NPI issued | Mar 28, 2016 |
| Last updated in NPPES | Mar 9, 2023 |
| Certified by provider | Mar 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 299876 | 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 | 665 |
|---|---|
| Services billed | 748 across 29 procedure codes |
| Paid by Medicare | $87,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 220 · 224 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $5,910 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Emergency Medicine |
| Telehealth | Offers telehealth |
Medical groups
- East Post Road Medical Services PCWhite Plains, NY · 429 clinicians
- Icahn School of Medicine at Mount SinaiElmhurst, NY · 316 clinicians
Hospital affiliations
- Montefiore New Rochelle HospitalNew Rochelle, NY
- White Plains Hospital CenterWhite Plains, NY
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 28 emergency medicine physicians in White Plains · All emergency medicine physicians in New York