Internal Medicine in Chicago, IL
3727 verified internal medicine doctors in Chicago. Page 1 of 63.
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. Stasia Richter, MD
Internal Medicine
CMS Open Payments· $506.89 (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.
$506.89
Total received
22
Transactions
8
Paying companies
Top paying companies
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 88th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Stasia Richter do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Nirmala Shah, MD
Internal Medicine
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. Gomez Charleston, MD
Internal Medicine
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. Fred Daniels, MD
Internal Medicine
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. Marilyn Aden, MD
Internal Medicine
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. Louis Hiotis, MD
Internal Medicine
CMS Open Payments· $356.08 (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.
$356.08
Total received
16
Transactions
6
Paying companies
Top paying companies
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 86th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Louis Hiotis do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Elisabeth Klor Gross, MD
Internal Medicine
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. Cory Chen, MD
Internal Medicine
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. Morris Mauer, MD
Internal Medicine
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. Craig Conover, MD
Internal Medicine
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. Maribe Bangayan, MD
Internal Medicine
CMS Open Payments· $1,214 (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.
$1,214
Total received
63
Transactions
15
Paying companies
Top paying companies
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 Maribe Bangayan do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Nelson Kanter, MD
Internal Medicine
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. Charles Shaw, MD
Internal Medicine
CMS Open Payments· $137.28 (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.
$137.28
Total received
6
Transactions
4
Paying companies
Top paying companies
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 79th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Charles Shaw do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Robert Parker, MD
Internal Medicine
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. Charles Steinbruegge, MD
Internal Medicine
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. Michael Grendon, MD
Internal Medicine
CMS Open Payments· $133.06 (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.
$133.06
Total received
5
Transactions
3
Paying companies
Top paying companies
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 Michael Grendon do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Bruce Blacker, MD
Internal Medicine
CMS Open Payments· $1,916 (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.
$1,916
Total received
94
Transactions
18
Paying companies
Top paying companies
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 95% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Bruce Blacker do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Meera Ravikumar, MD
Internal Medicine
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. Alam Khan, MD
Internal Medicine
CMS Open Payments· $1,515 (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.
$1,515
Total received
71
Transactions
17
Paying companies
Top paying companies
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 94% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Alam Khan do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Leszek Ballarin, MD
Internal Medicine
CMS Open Payments· $64.54 (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.
$64.54
Total received
2
Transactions
1
Paying companies
Top paying companies
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 73th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Leszek Ballarin do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Barry Atlas, MD
Internal Medicine
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. Sandeep Khosla, MD
Internal Medicine
CMS Open Payments· $53,954 (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.
$53,954
Total received
53
Transactions
14
Paying companies
Top paying companies
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 Sandeep Khosla do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Earl Smith, MD
Internal Medicine
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. Mohammad Ahmed, MD
Internal Medicine
CMS Open Payments· $436.42 (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.
$436.42
Total received
13
Transactions
2
Paying companies
Top paying companies
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 Mohammad Ahmed do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Nicholas Stiso, MD
Internal Medicine
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. Gary Kaufman, MD
Internal Medicine
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. Mervyn Weis, MD
Internal Medicine
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. Vijay Vohra, MD
Internal Medicine
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. Farzana Begum, MD
Internal Medicine
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. Merle Diamond, MD
Internal Medicine
CMS Open Payments· $153,421 (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.
$153,421
Total received
275
Transactions
17
Paying companies
Top paying companies
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 Merle Diamond do not imply any wrongdoing. Many are meals, education, or research support.
Dr. George Urban, MD
Internal Medicine
CMS Open Payments· $8,796 (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.
$8,796
Total received
118
Transactions
11
Paying companies
Top paying companies
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 97% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to George Urban do not imply any wrongdoing. Many are meals, education, or research support.
Dr. George Nissan, DO
Internal Medicine
CMS Open Payments· $107,133 (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.
$107,133
Total received
232
Transactions
27
Paying companies
Top paying companies
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 George Nissan do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Aleksandra Ivanovic, MD
Internal Medicine
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. Richard Clark, MD
Internal Medicine
CMS Open Payments· $19.71 (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.
$19.71
Total received
1
Transactions
1
Paying companies
Top paying companies
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 66th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Richard Clark do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Michael Nabolotny, MD
Internal Medicine
CMS Open Payments· $17.23 (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.
$17.23
Total received
1
Transactions
1
Paying companies
Top paying companies
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 65th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Michael Nabolotny do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Arnold Grauer, MD
Internal Medicine
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. Steven Gallo, MD
Internal Medicine
CMS Open Payments· $23.46 (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.
$23.46
Total received
1
Transactions
1
Paying companies
Top paying companies
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 67th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Steven Gallo do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Renee Scola, MD
Internal Medicine
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. Stephen Miff, MD
Internal Medicine
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. Byron Starr, MD
Internal Medicine
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. Kenneth Arbetter, MD
Internal Medicine
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. Tracy Sorce, MD
Internal Medicine
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. Irene Silva, MD
Internal Medicine
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. Frances Langdon, MD
Internal Medicine
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. Frank Di Maria, DO
Internal Medicine
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 Nicolas, MD
Internal Medicine
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. Karin Ulstrup, MD
Internal Medicine
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. Hazel Manzano, MD
Internal Medicine
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. Mohammad Khamis, MD
Internal Medicine
CMS Open Payments· $50.22 (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.
$50.22
Total received
2
Transactions
1
Paying companies
Top paying companies
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 72th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Mohammad Khamis do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Michael Lee, MD
Internal Medicine
CMS Open Payments· $1,242 (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.
$1,242
Total received
52
Transactions
16
Paying companies
Top paying companies
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 Michael Lee do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Nancy Sassower, MD
Internal Medicine
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. Chadwick Milstead, MD
Internal Medicine
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. James Hall, MD
Internal Medicine
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. Robert Havey, MD
Internal Medicine
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. Girija Kumar, MD
Internal Medicine
CMS Open Payments· $65.35 (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.
$65.35
Total received
3
Transactions
3
Paying companies
Top paying companies
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 73th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Girija Kumar do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Neerja Ahlowalia, MD
Internal Medicine
CMS Open Payments· $92.20 (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.
$92.20
Total received
1
Transactions
1
Paying companies
Top paying companies
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 75th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Neerja Ahlowalia do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Shirin Muzaffar, MD
Internal Medicine
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. Ermias Tilahun, MD
Internal Medicine
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. Raja Khuri, MD
Internal Medicine
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. Stephen Whitmore, MD
Internal Medicine
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.