Arthur Francis Santiago, M.D.
NPI 1003860669ActiveIndividual· Internal Medicine, Nephrology· Rahway, NJ
Internal Medicine, Nephrology (M.D.) in Rahway, New Jersey, trained at Js Weill Medical College, Cornell University (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $691,770 for 5,587 claims, against $185,630 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 14 companies reporting payments in 2025, $556.64 in all, mostly food and beverage.
Overview
| NPI | 1003860669 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Dec 18, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MA052276 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 443 |
|---|---|
| Services billed | 1,969 across 28 procedure codes |
| Paid by Medicare | $185,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,587 · 12,293 30-day fills |
|---|---|
| Patients | 405 |
| Total drug cost | $691,770 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Jfk University Medical CenterEdison, NJ
- Morristown Medical CenterMorristown, NJ
- Robert Wood Johnson University Hospital at RahwayRahway, NJ
- Trinitas Regional Medical CenterElizabeth, NJ
Other facilities
- Davita Rahway DialysisDialysis facility · Rahway, NJ
- Fmc ColoniaDialysis facility · Colonia, NJ
- Trinitas Cranford DialysisDialysis facility · Cranford, NJ
- Robert Wood Johnson Visiting Nurses, IncHome health agency · North Brunswick, NJ
- Care Connection RahwayNursing home · Rahway, NJ
Industry payments (Open Payments)
- 2025$556.64 · 32 payments from 14 companies
- 2024$627.53 · 34 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $68.16 | 4 |
| Travere Therapeutics, Inc. | $65.66 | 4 |
| E.R. Squibb & Sons, L.L.C. | $59.32 | 3 |
| Calliditas Therapeutics US Inc. | $49.68 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $48.99 | 3 |
What the 2025 payments were for
- Food and Beverage$556.64 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Rahway
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