DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Peru, IL

5 verified internal medicine doctors in Peru.

Internists specialize in the prevention, diagnosis, and treatment of adult diseases, often coordinating complex or chronic conditions across multiple systems.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

Verify a license at the Illinois Dept. of Financial & Professional Regulation

Dr. Mark Fernandez, MD

Internal Medicine

21 yrs NPPES
NPI 1033114939
920 WEST ST, STE 311, Peru, IL 61354(815) 223-9214
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Won Kim, MD

Internal Medicine

21 yrs NPPES
NPI 1366441875
920 WEST ST, SUITE 218, Peru, IL 61354(815) 223-6443
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Constantino Perales, MD

Internal Medicine

21 yrs NPPES
NPI 1417942376
1016 7TH ST, Peru, IL 61354(815) 224-2006
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Qusai Alitter, MD

Internal Medicine

10 yrs NPPES
NPI 1093169419
920 WEST ST, Peru, IL 61354(815) 431-5757
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $241.51 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$241.51

Total received

2

Transactions

2

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$120.77
E.R. Squibb & Sons, L.L.C.$120.74

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 83th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Qusai Alitter do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Mustafa Sayeed, DO

Internal Medicine

6 yrs NPPES
NPI 1043831811
925 WEST ST, Peru, IL 61354(815) 221-1380
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Internal Medicine in Peru, IL — Verified | DoctorsProof | DoctorsProof