Alexander Korenfeld, MD
NPI 1063428803ActiveIndividual· Internal Medicine· Cliffside Park, NJ
Internal Medicine (MD) with Renaissance General Medicine PC, practicing in Cliffside Park, New Jersey. In 2024 Medicare paid $285,819 for 182 patients, and Part D covered 2,243 of their prescriptions, 78% of them generic. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $140.97 in all, mostly food and beverage.
Overview
| NPI | 1063428803 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 63357 | NJ |
| Internal Medicine | 207R00000X | 204339 | NY |
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 - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 3,349 across 43 procedure codes |
| Paid by Medicare | $285,819 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,243 · 3,455 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $191,729 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Renaissance General Medicine PCCliffside Park, NJ · 2 clinicians
Industry payments (Open Payments)
- 2025$140.97 · 2 payments from 2 companies
- 2024$263.96 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $124.98 | 1 |
| Astrazeneca Pharmaceuticals LP | $15.99 | 1 |
What the 2025 payments were for
- Food and Beverage$124.98 · 1 payment
- Education$15.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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