Jeffrey S. Klempen, DO
NPI 1457366247ActiveIndividual· Emergency Medicine· Newark, NY
Emergency Medicine (DO) in Newark, New York, licensed in NY and CA, with an NPI issued in July 2006. 150 Medicare patients in 2024, $20,619 paid; nearly all of their 233 Part D prescriptions were generic (93%).
Overview
| NPI | 1457366247 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 30, 2006 |
| Last updated in NPPES | Sep 12, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 295440 | NY |
| Emergency Medicine | 207P00000X | 20A9587 | CA |
| Emergency Medicine | 207P00000X | 20A8587 | CA |
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); Practitioner - Emergency Medicine (TN); Practitioner - Emergency Medicine (VI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 150 |
|---|---|
| Services billed | 222 across 15 procedure codes |
| Paid by Medicare | $20,619 |
Part D prescriptions in 2024
| Prescriptions (claims) | 233 · 234 30-day fills |
|---|---|
| Patients | 147 |
| Total drug cost | $1,843 |
| Generic share | 93% of claims |
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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