​“The Open Payments database is a federal tool used to search payments made by drug and device companies to physicians and teaching hospitals. It can be found at https://openpaymentsdata.cms.gov.”
“For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public."​

​GASTROENTEROLOGY ST LOUIS​

 ROBERT MCMAHON MD FACG 

   St Louis, MO 

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PRACTICE IS CLOSED*

​​Please contact your primary care provider for  medical records, prescriptions and alternate service arrangements​ 

Procedure records should be available through the facilities where services were provided.

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*As of 2020, No other practice or provider has been authorized to assume this practice.  Any claim otherwise is false.