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Pulmonary Disease in Saint Charles, MO

5 verified pulmonary disease doctors in Saint Charles.

Pulmonologists diagnose and treat diseases of the lungs and respiratory system, such as asthma, COPD, and sleep apnea.

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. Ahmareen Khan, MD

Pulmonary Disease

20 yrs NPPES
NPI 1669449591
400 1ST CAPITOL DR, SUITE 100, Saint Charles, MO 63301(636) 669-0300
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. Frank Calandrino, MD

Pulmonary Disease

20 yrs NPPES
NPI 1356394498
300 1ST CAPITOL DR, Saint Charles, MO 63301(314) 330-8616
NPPES public registry
CMS Open Payments· $506.69 (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.

$506.69

Total received

31

Transactions

8

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$182.94
AstraZeneca Pharmaceuticals LP$98.28
Regeneron Healthcare Solutions, Inc.$78.51
Jazz Pharmaceuticals Inc.$45.66
Pfizer Inc.$33.81
Axsome Therapeutics, Inc.$33.34

Among the 13,317 pulmonary disease doctors we've analyzed, about 54% received any industry payment (median $474 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 pulmonary disease doctors.

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

Dr. William Schnarr, MD

Pulmonary Disease

20 yrs NPPES
NPI 1982643185
300 1ST CAPITOL DR, Saint Charles, MO 63301(636) 947-5000
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. Thomas Siler, MD

Pulmonary Disease

20 yrs NPPES
NPI 1881633931
300 1ST CAPITOL DR, Saint Charles, MO 63301(636) 947-5000
NPPES public registry
CMS Open Payments· $879,291 (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.

$879,291

Total received

192

Transactions

21

Paying companies

Top paying companies

Chiesi USA, Inc.$246,344
Genentech, Inc.$210,612
Amphastar Pharmaceuticals, Inc.$140,326
Sanofi US Services Inc.$96,434
Mylan Specialty L.P.$92,137
AstraZeneca Pharmaceuticals LP$51,991

Among the 13,317 pulmonary disease doctors we've analyzed, about 54% received any industry payment (median $474 among those who did). This doctor's total is higher than 100% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US pulmonary disease doctors.

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

Dr. Mohsin Ehsan, MD

Pulmonary Disease

19 yrs NPPES
NPI 1265627210
400 1ST CAPITOL DR STE 100, Saint Charles, MO 63301(636) 669-0300
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.

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