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John Ernzen, MD is a Psychiatry Physician physician currently practicing at Rogers Memorial Hospital in Milwaukee, Wisconsin. They hold admitting privileges at 1 hospital(s), including ROGERS MEMORIAL HOSPITAL. To see all the affiliations of John Ernzen, MD, start a free trial.

John Ernzen, MD is a board-certified Psychiatry Physician physician with a subspecialty in Psychiatry. They practice at Rogers Memorial Hospital in Milwaukee, Wisconsin.

John Ernzen, MD performs procedures across 41 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 Ernzen, MD's National Provider Identifier (NPI) is 1346615663. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 2084P0800X, corresponding to Psychiatry Physician.

The EHR and practice technology used by John Ernzen, MD at Rogers Memorial Hospital is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

John Ernzen, MD accepts 0 insurance plans. A full list of accepted payers is available in the profile above.

John Ernzen, MD holds hospital privileges at 1 institution(s). Their primary affiliation is ROGERS MEMORIAL HOSPITAL in Brown Deer, Wisconsin.

John Ernzen, MD's board certification details are available to Dmand AI subscribers.

John Ernzen, MD's education history is available to Dmand AI subscribers.

Based on CMS Medicare Part B claims data, John Ernzen, MD served approximately 26 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

John Ernzen, MD is affiliated with 2014 HEALTH LLC, a mid-size (6–20 physician) practice with 14 physicians based in Milwaukee, Wisconsin. The practice is independently owned.

John Ernzen, MD has 0 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.