Junichi Shimamura, M.D.
NPI 1962109702ActiveIndividual· Surgery· Valhalla, NY
Surgery (M.D.) with Westchester Medical Center Advanced Physician Services PC, practicing in Valhalla, New York. Medicare paid $96,530 for services to 100 patients in 2024. Abiomed was the largest of 8 companies reporting payments in 2025, $7,377 in all, mostly travel and lodging. Lists Healthalliance Hospital Marys Avenue Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1962109702 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 13, 2023 |
| Last updated in NPPES | Aug 21, 2023 |
| Certified by provider | Aug 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 324555 | NY |
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 - Thoracic Surgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 100 |
|---|---|
| Services billed | 145 across 38 procedure codes |
| Paid by Medicare | $96,530 |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | General Surgery |
Medical group
- Westchester Medical Center Advanced Physician Services PCValhalla, NY · 897 clinicians
Hospital affiliations
- Healthalliance Hospital Marys Avenue CampusKingston, NY
- Westchester Medical CenterValhalla, NY
Industry payments (Open Payments)
- 2025$7,377 · 46 payments from 8 companies
- 2024$2,654 · 33 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $1,762 | 21 |
| W. L. Gore & Associates, Inc. | $1,642 | 7 |
| Transmedics, Inc. | $1,620 | 2 |
| Abbott Laboratories | $1,517 | 9 |
| Medtronic, Inc. | $534.01 | 3 |
What the 2025 payments were for
- Travel and Lodging$5,188 · 13 payments
- Food and Beverage$2,190 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Valhalla
- 1972288223
- 1922269158
- 1710873807
- 1336217470
- 1912131392
- 1336544386
- 1912428749
- 1275717845
- 1710987375
- 1528099959
- 1710339783
- 1942382114