Arun Jose Kottarathara, MD
NPI 1568852838ActiveIndividual· Internal Medicine, Nephrology· Paramus, NJ
Internal Medicine, Nephrology (MD) with Osf Multi-Specialty Group and 4 other groups, practicing in Paramus, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $50,130 for 102 claims, against $8,016 paid for services in 2024. Puma Biotechnology, Inc. reported $22.24 in payments in 2025, mostly food and beverage. Lists Cumberland Medical Center as a hospital affiliation.
Overview
| NPI | 1568852838 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 26, 2015 |
| Last updated in NPPES | Oct 11, 2026 |
| Certified by provider | Oct 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD61151370 | WA |
| Internal Medicine, Nephrology | 207RN0300X | 01099884A | IN |
| Internal Medicine, Nephrology | 207RN0300X | 1676-320 | WI |
| Internal Medicine, Nephrology | 207RN0300X | 25MA10616500 | 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 - Nephrology (DE); Practitioner - Nephrology (FL); Practitioner - Nephrology (GA); Practitioner - Nephrology (IN); Practitioner - Nephrology (KY); Practitioner - Nephrology (MD); Practitioner - Nephrology (MI); Practitioner - Nephrology (NJ); Practitioner - Internal Medicine (OH); Practitioner - Nephrology (OK); Practitioner - Nephrology (PA); Practitioner - Nephrology (TN); Practitioner - Nephrology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 119 across 13 procedure codes |
| Paid by Medicare | $8,016 |
Part D prescriptions in 2024
| Prescriptions (claims) | 102 · 183 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $50,130 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
- Thedacare, IncorporatedWaupaca, WI · 647 clinicians
- T J Samson Community HospitalGlasgow, KY · 207 clinicians
- Froedtert Manitowoc Medical Group, LLCSheboygan, WI · 156 clinicians
- Knoxville Kidney Center, PLLCKnoxville, TN · 12 clinicians
Hospital affiliation
- Cumberland Medical CenterCrossville, TN
Industry payments (Open Payments)
- 2025$22.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Puma Biotechnology, Inc. | $22.24 | 1 |
What the 2025 payments were for
- Food and Beverage$22.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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