Keith S. Leibowitz, DO
NPI 1134190903ActiveIndividual· Internal Medicine, Cardiovascular Disease· Mountain Lakes, NJ
Internal Medicine, Cardiovascular Disease (DO) in Mountain Lakes, New Jersey, trained at Rowan University School of Osteopathic Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $912,514 for 5,926 claims, against $245,823 paid for services in 2024. Pfizer Inc. was the largest of 12 companies reporting payments in 2025, $562.42 in all, mostly food and beverage.
Overview
| NPI | 1134190903 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 30, 2006 |
| Last updated in NPPES | Mar 22, 2021 |
| Certified by provider | Mar 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 25MB078666000 | NJ |
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 - Cardiovascular Disease (Cardiology) (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,670 |
|---|---|
| Services billed | 4,511 across 41 procedure codes |
| Paid by Medicare | $245,823 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,926 · 15,843 30-day fills |
|---|---|
| Patients | 841 |
| Total drug cost | $912,514 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Rowan University School of Osteopathic Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
- Cardiovascular Health Consultants, P.A.Morristown, NJ · 119 clinicians
Hospital affiliations
- Ahs Hospital CorpHackettstown, NJ
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
- Saint Clare's Hospital/ Denville CampusDenville, NJ
Industry payments (Open Payments)
- 2025$562.42 · 31 payments from 12 companies
- 2024$493.49 · 26 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $159.90 | 10 |
| Amgen Inc. | $96.30 | 6 |
| Novo Nordisk Inc | $56.49 | 3 |
| Philips North America LLC | $44.81 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $41.65 | 2 |
What the 2025 payments were for
- Food and Beverage$562.42 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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