Elana Hayasaka, M.D.
NPI 1841721503ActiveIndividual· Emergency Medicine· Boston, MA
Emergency Medicine (M.D.) with Robert Packer Hospital and 1 other group, practicing in Boston, Massachusetts. 323 Medicare patients in 2024, $34,081 paid; nearly all of their 253 Part D prescriptions were generic (92%). Lists Corning Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1841721503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2017 |
| Last updated in NPPES | Jun 19, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 271413 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (NY); Practitioner - Emergency Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 363 across 24 procedure codes |
| Paid by Medicare | $34,081 |
Part D prescriptions in 2024
| Prescriptions (claims) | 253 · 254 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $6,063 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Robert Packer HospitalSayre, PA · 54 clinicians
- Corning HospitalCorning, NY · 44 clinicians
Hospital affiliations
- Corning HospitalCorning, NY
- Robert Packer HospitalSayre, PA
- Troy Community HospitalTroy, PA
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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