Yuichiro Hayashi, MD
NPI 1225471048ActiveIndividual· Anesthesiology, Pain Medicine· Los Angeles, CA
Anesthesiology, Pain Medicine (MD) in Los Angeles, California, trained at Medical College of Wisconsin (class of 2013). 367 Medicare patients in 2024, $165,009 paid; all of their 534 Part D prescriptions were generic. Boston Scientific Corporation was the largest of 4 companies reporting payments in 2025, $643.48 in all, mostly food and beverage.
Overview
| NPI | 1225471048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 10, 2013 |
| Last updated in NPPES | Aug 8, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | A134873 | CA |
| Anesthesiology | 207L00000X | A134873 | CA |
| Anesthesiology | 207L00000X | 18013 | NV |
| Anesthesiology, Pain Medicine | 207LP2900X | 18013 | NV |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Anesthesiology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 1,705 across 42 procedure codes |
| Paid by Medicare | $165,009 |
Part D prescriptions in 2024
| Prescriptions (claims) | 534 · 563 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $10,206 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Anesthesiology |
| Secondary specialties | Pain Management |
Medical group
- Desert Orthopaedic Center LtdLas Vegas, NV · 103 clinicians
Industry payments (Open Payments)
- 2025$643.48 · 7 payments from 4 companies
- 2024$251.23 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $277.50 | 2 |
| Abbott Laboratories | $147.40 | 1 |
| Medtronic, Inc. | $131.29 | 1 |
| Forte Bio-Pharma LLC | $87.29 | 3 |
What the 2025 payments were for
- Food and Beverage$643.48 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 pain medicine anesthesiologists in Los Angeles · All pain medicine anesthesiologists in California