Doctors in O Fallon, MO
150 physicians listed in the NPPES public registry. Page 3 of 3.
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 Missouri Board of Registration for the Healing Arts
Dr. Kent Alexander Cassmeyer, MD
Internal Medicine
CMS Open Payments· $1,077 (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.
$1,077
Total received
53
Transactions
13
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 92% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Kent Alexander Cassmeyer do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Daniel Weisel, MD
Family Medicine
CMS Open Payments· $157.92 (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.
$157.92
Total received
10
Transactions
4
Paying companies
Top paying companies
Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 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 family medicine doctors.
Payments to Daniel Weisel do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Danielle Grunloh-Gumpenberger, MD
Obstetrics & Gynecology
CMS Open Payments· $79.97 (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.
$79.97
Total received
4
Transactions
4
Paying companies
Top paying companies
Among the 47,072 obstetrics & gynecology doctors we've analyzed, about 47% received any industry payment (median $178 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 obstetrics & gynecology doctors.
Payments to Danielle Grunloh-Gumpenberger do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Alexa Williams, MD
Obstetrics & Gynecology
CMS Open Payments· $176.92 (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.
$176.92
Total received
9
Transactions
4
Paying companies
Top paying companies
Among the 47,072 obstetrics & gynecology doctors we've analyzed, about 47% received any industry payment (median $178 among those who did). This doctor's total ranks around the 77th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US obstetrics & gynecology doctors.
Payments to Alexa Williams do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Jonathan Williams, MD
Neurology
CMS Open Payments· $1,058 (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.
$1,058
Total received
6
Transactions
3
Paying companies
Top paying companies
Among the 22,669 neurology doctors we've analyzed, about 51% received any industry payment (median $640 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 neurology doctors.
Payments to Jonathan Williams do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Pin-Wen Chen, MD
Physical Medicine & Rehabilitation
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. Brandon Wubben, MD
Emergency 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. Alissa Ballard, DO
Family Medicine
CMS Open Payments· $1,247 (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.
$1,247
Total received
74
Transactions
13
Paying companies
Top paying companies
Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US family medicine doctors.
Payments to Alissa Ballard do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Lauren Buchanan, MD
Obstetrics & Gynecology
CMS Open Payments· $114.66 (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.
$114.66
Total received
6
Transactions
4
Paying companies
Top paying companies
Among the 47,072 obstetrics & gynecology doctors we've analyzed, about 47% received any industry payment (median $178 among those who did). This doctor's total ranks around the 71th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US obstetrics & gynecology doctors.
Payments to Lauren Buchanan do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Enmanuel Perez, MD
Neurology
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. Victor Qi, MD
Anesthesiology
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. Peter Szatkowski, MD
Anesthesiology
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. Alyssa Fairchild, MD
Pediatrics
CMS Open Payments· $48.55 (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.
$48.55
Total received
3
Transactions
3
Paying companies
Top paying companies
Among the 84,711 pediatrics doctors we've analyzed, about 29% received any industry payment (median $101 among those who did). This doctor's total ranks around the 80th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US pediatrics doctors.
Payments to Alyssa Fairchild do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Samantha Warden, MD
Family 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. Joseph Miller, MD
Anesthesiology
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. Alan Steube, 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. Ashley Batten, DO
Obstetrics & Gynecology
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. Matthew Schneider, DO
Family 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. Jasmine Kaur, MD
Pediatrics
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. Marium Iqbal, MD
Family Medicine
CMS Open Payments· $161.12 (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.
$161.12
Total received
7
Transactions
7
Paying companies
Top paying companies
Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 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 family medicine doctors.
Payments to Marium Iqbal do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Emily Hutchinson, DO
Family 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. Kevin Yin, MD
Internal Medicine
CMS Open Payments· $31.90 (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.
$31.90
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 69th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Kevin Yin do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Sarah Jackson, DO
Family 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. Colin Dolan, MD
Pediatrics
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. Aaron Steimel, DO
Internal Medicine
CMS Open Payments· $27.81 (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.
$27.81
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 68th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Aaron Steimel do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Emma Gloe, MD
Family 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. Patricia Holschen, MD
Surgery
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. Caitlin Golliver, MD
Obstetrics & Gynecology
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. Amritpal Lall, MD
Family 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. Nicholas Johnson, MD
Family 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.