DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Freeport, IL

8 verified internal medicine doctors in Freeport.

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. Diann Bennett, MD

Internal Medicine

20 yrs NPPES
NPI 1326010083
25 N HARLEM AVE, Freeport, IL 61032(815) 599-6000
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. Diana Mcnulty, MD

Internal Medicine

20 yrs NPPES
NPI 1215900105
1010 FAIRWAY DR, Freeport, IL 61032(815) 599-7880
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. Eugene Gaertner, MD

Internal Medicine

20 yrs NPPES
NPI 1053387472
1036 W STEPHENSON ST, Freeport, IL 61032(815) 599-7410
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. William Sharelis, MD

Internal Medicine

20 yrs NPPES
NPI 1487620803
750 KIWANIS DR, Freeport, IL 61032(815) 599-6000
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. Timothy Jessen, MD

Internal Medicine

20 yrs NPPES
NPI 1831165034
1010 FAIRWAY DR, Freeport, IL 61032(815) 599-6930
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $448.28 (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.

$448.28

Total received

23

Transactions

8

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$131.31
Regeneron Healthcare Solutions, Inc.$118.54
Amgen Inc.$62.89
Pfizer Inc.$40.77
Genzyme Corporation$27.92
Takeda Pharmaceuticals U.S.A., Inc.$25.81

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 87th percentile of that group.

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

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

Dr. Alan Esker, MD

Internal Medicine

20 yrs NPPES
NPI 1831159698
1010 FAIRWAY DR, Freeport, IL 61032(815) 599-7740
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $124.01 (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.

$124.01

Total received

5

Transactions

3

Paying companies

Top paying companies

NOVARTIS PHARMACEUTICALS CORPORATION$84.27
Janssen Pharmaceuticals, Inc$20.48
Novo Nordisk Inc$19.26

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 Alan Esker do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Renu Dosi, MD

Internal Medicine

20 yrs NPPES
NPI 1073522140
1010 FAIRWAY DR, Freeport, IL 61032(815) 599-7740
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. Marie Heimerdinger, MD

Internal Medicine

20 yrs NPPES
NPI 1952400442
1301 KIWANIS DR, Freeport, IL 61032(815) 235-4881
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 Freeport, IL — Verified | DoctorsProof | DoctorsProof