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Internal Medicine in Warrenville, IL

8 verified internal medicine doctors in Warrenville.

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. Jean Houlihan, MD

Internal Medicine

21 yrs NPPES
NPI 1952398885
430 WARRENVILLE RD, Warrenville, IL 60532(630) 432-6180
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. Corinna Weckerle, MD

Internal Medicine

19 yrs NPPES
NPI 1083771711
27650 FERRY RD STE 201, Warrenville, IL 60555(630) 933-7400
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. Kevin Dawravoo, MD

Internal Medicine

18 yrs NPPES
NPI 1912163114
4405 WEAVER PKWY, Warrenville, IL 60555(630) 352-5300
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $765.94 (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.

$765.94

Total received

2

Transactions

2

Paying companies

Top paying companies

Seagen Inc.$750.00
E.R. Squibb & Sons, L.L.C.$15.94

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 90% of that group — among the highest recipients.

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

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

Dr. Angelica Gierut, MD

Internal Medicine

18 yrs NPPES
NPI 1518115252
27650 FERRY RD STE 210, Warrenville, IL 60555(630) 933-7400
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. Neal Andruska, MD

Internal Medicine

9 yrs NPPES
NPI 1972035798
4455 WEAVER PKWY, Warrenville, IL 60555(630) 821-6400
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. Renee Cheng, MD

Internal Medicine

8 yrs NPPES
NPI 1740784313
4405 WEAVER PKWY, Warrenville, IL 60555(630) 352-5450
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $241.77 (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.

$241.77

Total received

2

Transactions

2

Paying companies

Top paying companies

E.R. Squibb & Sons, L.L.C.$121.35
Alexion Pharmaceuticals, Inc.$120.42

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 Renee Cheng do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Zaid Iftekaruddin, MD

Internal Medicine

7 yrs NPPES
NPI 1437611761
4405 WEAVER PKWY, Warrenville, IL 60555(630) 933-7811
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $126.80 (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.

$126.80

Total received

2

Transactions

2

Paying companies

Top paying companies

EMD Serono, Inc.$106.85
Boston Scientific Corporation$19.95

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 78th percentile of that group.

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

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

Dr. Kishan Patel, MD

Internal Medicine

7 yrs NPPES
NPI 1023677010
4575 WEAVER PWKY, STE 200, Warrenville, IL 60555(630) 717-2600
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 Warrenville, IL — Verified | DoctorsProof | DoctorsProof