Internal Medicine in Peru, IL
9 active Internal Medicine providers practice in Peru, Illinois 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 |
|---|---|---|---|---|
| 1417942376 | Constantino Perales | Individual | Internal Medicine Physician | Peru, IL |
| 1871696229 | Joel Leifheit | Individual | Internal Medicine Physician | Peru, IL |
| 1841312980 | Joel S. Leifheit M.D., P.C. | Organization | Internal Medicine Physician | Peru, IL |
| 1033114939 | Mark Fernandez | Individual | Internal Medicine Physician | Peru, IL |
| 1043831811 | Mustafa Sayeed | Individual | Internal Medicine Physician | Peru, IL |
| 1093169419 | Qusai Alitter | Individual | Pulmonary Disease Physician | Peru, IL |
| 1255387007 | Ram Goel | Individual | Gastroenterology Physician | Peru, IL |
| 1073871893 | Ram L & Neelam Goel Ptr | Organization | Gastroenterology Physician | Peru, IL |
| 1366441875 | Won Kim | Individual | Internal Medicine Physician | Peru, IL |
Frequently asked questions
How many Internal Medicine providers are in Peru, IL?
The latest NPPES snapshot lists 9 active Internal Medicine providers with a practice address in Peru, Illinois.
How do I check a Internal Medicine provider's NPI in Peru?
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 2026-07-10.