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Internal Medicine in Willowbrook, IL

9 verified internal medicine doctors in Willowbrook.

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. Daniel Grzegorek, DO

Internal Medicine

21 yrs NPPES
NPI 1487651337
6733 KINGERY HWY, Willowbrook, IL 60527(630) 325-4049
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.

Dr. Muhammad Ali, MD

Internal Medicine

20 yrs NPPES
NPI 1508898362
200 WATERFORD DR, Willowbrook, IL 60527(855) 554-2545
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $334.38 (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.

$334.38

Total received

10

Transactions

4

Paying companies

Top paying companies

Ethicon Inc.$130.76
Novo Nordisk Inc$96.12
Baxter Healthcare$55.40
Lexicon Pharmaceuticals, Inc.$52.10

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 85th percentile of that group.

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

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

Dr. Shirley Stilson, MD

Internal Medicine

20 yrs NPPES
NPI 1700806254
6336 MARTIN DR, Willowbrook, IL 60527(949) 370-7225
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.

Dr. Rathna Yallapragada, MD

Internal Medicine

20 yrs NPPES
NPI 1366455529
621 PLAINFIELD RD, SUITE 107, Willowbrook, IL 60527(630) 323-8595
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $109,163 (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.

$109,163

Total received

123

Transactions

7

Paying companies

Top paying companies

Alnylam Pharmaceuticals Inc.$108,972
Genzyme Corporation$82.83
Novo Nordisk Inc$44.71
Astellas Pharma US Inc$19.49
E.R. Squibb & Sons, L.L.C.$15.19
Otsuka America Pharmaceutical, Inc.$15.12

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 is higher than 99% of that group — among the highest recipients.

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

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

Dr. Anthony Delorenzo, DO

Internal Medicine

20 yrs NPPES
NPI 1851477236
6847 KINGERY HWY, Willowbrook, IL 60527(630) 655-9555
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,223 (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.

$1,223

Total received

54

Transactions

14

Paying companies

Top paying companies

AbbVie Inc.$244.15
AstraZeneca Pharmaceuticals LP$201.32
Corcept Therapeutics$198.38
Edwards Lifesciences Corporation$154.87
Amgen Inc.$148.55
Pfizer Inc.$58.23

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 is higher than 93% of that group — among the highest recipients.

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

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

Dr. Roland Borrasi, MD

Internal Medicine

20 yrs NPPES
NPI 1407926702
15 W 720 89TH, Willowbrook, IL 60527(815) 886-8037
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. John Ibrahim, MD

Internal Medicine

10 yrs NPPES
NPI 1134675218
11S513 RACHAEL CT, Willowbrook, IL 60527(331) 214-1843
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.

Dr. Gjulshana Nurceski, MD

Internal Medicine

7 yrs NPPES
NPI 1497313381
40 75TH ST, Willowbrook, IL 60527(630) 581-5372
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.

Dr. Alma Gonzalez, MD

Internal Medicine

4 yrs NPPES
NPI 1801504683
1312 S RIDGE RD, Willowbrook, IL 60527(630) 805-2430
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.

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