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John William Frey, DO is a Pulmonary Disease Physician physician currently practicing at Mayo Clinic Hospital - La Crosse in La Crosse, Wisconsin. They hold admitting privileges at 2 hospital(s), including MAYO CLINIC HEALTH SYSTEM-FRANCISCAN MEDICAL CENTER INC. To see all the affiliations of John William Frey, DO, start a free trial.

John William Frey, DO is a board-certified Pulmonary Disease Physician physician with a subspecialty in Critical Care Medicine. They practice at Mayo Clinic Hospital - La Crosse in La Crosse, Wisconsin.

John William Frey, DO performs procedures across 276 clinical categories. Their most commonly billed procedures based on Medicare claims data include , , and . Full procedure and CPT code data is available to Dmand AI subscribers, start a free trial.

John William Frey, DO's National Provider Identifier (NPI) is 1538600754. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207RP1001X, corresponding to Pulmonary Disease Physician.

The EHR and practice technology used by John William Frey, DO at Mayo Clinic Hospital - La Crosse is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

John William Frey, DO accepts 0 insurance plans. A full list of accepted payers is available in the profile above.

John William Frey, DO holds hospital privileges at 2 institution(s). Their primary affiliation is MAYO CLINIC HEALTH SYSTEM-FRANCISCAN MEDICAL CENTER INC in La Crosse, Wisconsin.

John William Frey, DO's board certification details are available to Dmand AI subscribers.

John William Frey, DO's education history is available to Dmand AI subscribers.

Based on CMS Medicare Part B claims data, John William Frey, DO served approximately 251 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

John William Frey, DO is affiliated with MAYO CLINIC HEALTH SYSTEM-SOUTHWEST WISCONSIN REGION INC, a large (20+ physician) practice with 283 physicians based in La Crosse, Wisconsin. The practice is independently owned.

John William Frey, DO has 6 indexed publications on record and no active clinical trial listings were found at time of last verification. Their research activity is available to Dmand AI subscribers. Sign up for a free trial to unlock their full research activity.