Karen J. Leiser, MD
NPI 1073689055ActiveIndividual· Internal Medicine· Harrison, NY
Internal Medicine (MD) in Harrison, New York, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2002). 248 Medicare patients in 2024, $101,973 paid; nearly all of their 2,358 Part D prescriptions were generic (92%).
Overview
| NPI | 1073689055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 28, 2006 |
| Last updated in NPPES | Feb 10, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 232670 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 248 |
|---|---|
| Services billed | 1,508 across 25 procedure codes |
| Paid by Medicare | $101,973 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,358 · 5,411 30-day fills |
|---|---|
| Patients | 252 |
| Total drug cost | $74,631 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
Medical group
- White Plains Physician Services PCHarrison, NY · 386 clinicians
Hospital affiliation
- White Plains Hospital CenterWhite Plains, NY
Other facilities
- Americare Certified Special Services, Inc ChhaHome health agency · Brooklyn, NY
- Burke Rehabilitation HospitalInpatient rehabilitation facility · White Plains, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Harrison
- 1467389049
- 1891694519
- 1598674624
- 1679397491
- 1326668583
- 1396205266
- 1255496279
- 1346377512
- 1295751246
- 1083857601
- 1396062717
- 1093456865