Elion J. Krok, M.D.
NPI 1538468491ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· West Orange, NJ
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Elion Krok, M.D. PC, practicing in West Orange, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $763,118 for 1,501 claims, against $493,356 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $119.43 in all, mostly food and beverage. Lists Clara Maass Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1538468491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 17, 2011 |
| Last updated in NPPES | Feb 27, 2023 |
| Certified by provider | Feb 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25MA08957000 | NJ |
| Internal Medicine | 207R00000X | 25MA08957000 | NJ |
| Internal Medicine, Bariatric Medicine | 207RB0002X | 25MA08957000 | 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 - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 401 |
|---|---|
| Services billed | 5,999 across 34 procedure codes |
| Paid by Medicare | $493,356 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,501 · 2,976 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $763,118 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Elion Krok, M.D. PCWest Orange, NJ · 2 clinicians
Hospital affiliations
- Clara Maass Medical CenterBelleville, NJ
- Cooperman Barnabas Medical CenterLivingston, NJ
- Morristown Medical CenterMorristown, NJ
Other facilities
- Atlantic Visiting NurseHome health agency · Morristown, NJ
Industry payments (Open Payments)
- 2025$119.43 · 7 payments from 3 companies
- 2024$56.01 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $67.46 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $36.07 | 2 |
| Currax Pharmaceuticals LLC | $15.90 | 1 |
What the 2025 payments were for
- Food and Beverage$119.43 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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