Internal Medicine in Harrison, NJ
8 active Internal Medicine providers practice in Harrison, New Jersey according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1821015546 | Artur Carvalho | Individual | Internal Medicine Physician | Harrison, NJ |
| 1841579851 | Harrison Medical Group LLC | Organization | Internal Medicine Physician | Harrison, NJ |
| 1770888919 | Henry J. Ryngel, MD, PC | Organization | Nephrology Physician | Harrison, NJ |
| 1215932280 | Henry Ryngel | Individual | Nephrology Physician | Harrison, NJ |
| 1225041965 | Paul Fontanazza | Individual | Internal Medicine Physician | Harrison, NJ |
| 1740476209 | Physicians in Kidney Disease & Cell Therapies, PA | Organization | Nephrology Physician | Harrison, NJ |
| 1134386410 | Primary Care Medical Group PA | Organization | Internal Medicine Physician | Harrison, NJ |
| 1790798437 | Ralph Dagostino | Individual | Internal Medicine Physician | Harrison, NJ |
Frequently asked questions
How many Internal Medicine providers are in Harrison, NJ?
The latest NPPES snapshot lists 8 active Internal Medicine providers with a practice address in Harrison, New Jersey.
How do I check a Internal Medicine provider's NPI in Harrison?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-11.