Question 1

What is John F. Brennan, MD's email address?

Accepted Answer

John F. Brennan, MD's email address is available to verified Dmand AI users. Their primary practice is located at Harbor View Dialysis in Milwaukee, Wisconsin. Sign up for a free trial to reveal their direct contact information.

Question 2

What is John F. Brennan, MD's phone number?

Accepted Answer

John F. Brennan, MD's direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does John F. Brennan, MD practice?

Accepted Answer

John F. Brennan, MD is a Nephrology Physician physician currently practicing at Harbor View Dialysis in Milwaukee, Wisconsin. They hold admitting privileges at 3 hospital(s), including Harbor View Dialysis. To see all the affiliations of John F. Brennan, MD, start a free trial.

Question 4

What is John F. Brennan, MD's specialty?

Accepted Answer

John F. Brennan, MD is a board-certified Nephrology Physician physician with a subspecialty in Nephrology. They practice at Harbor View Dialysis in Milwaukee, Wisconsin.

Question 5

What procedures does John F. Brennan, MD perform?

Accepted Answer

John F. Brennan, MD performs procedures across 790 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.

Question 6

What is John F. Brennan, MD's NPI number?

Accepted Answer

John F. Brennan, MD's National Provider Identifier (NPI) is 1154351153. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207RN0300X, corresponding to Nephrology Physician.

Question 7

What EHR does John F. Brennan, MD use?

Accepted Answer

The EHR and practice technology used by John F. Brennan, MD at Harbor View Dialysis is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does John F. Brennan, MD accept?

Accepted Answer

John F. Brennan, MD accepts 15 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is John F. Brennan, MD affiliated with?

Accepted Answer

John F. Brennan, MD holds hospital privileges at 3 institution(s). Their primary affiliation is Harbor View Dialysis in Milwaukee, Wisconsin.

Question 10

What are John F. Brennan, MD's board certifications?

Accepted Answer

John F. Brennan, MD is board certified by American Board of Internal Medicine in Internal Medicine with subspecialty certification in Nephrology. They have maintained this certification since .

Question 11

Where did John F. Brennan, MD go to medical school?

Accepted Answer

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

Question 12

How many patients does John F. Brennan, MD see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, John F. Brennan, MD served approximately 376 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does John F. Brennan, MD belong to?

Accepted Answer

John F. Brennan, MD is affiliated with ASCENSION MEDICAL GROUP-SOUTHEAST WISCONSIN INC, a large (20+ physician) practice with 317 physicians based in Milwaukee, Wisconsin. The practice is independently owned.

Question 14

Does John F. Brennan, MD conduct clinical research or trials?

Accepted Answer

John F. Brennan, 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.

#	Procedure Code (CPT®/HCPCS II)	Procedure Patients	Procedure Volume
1	99213Established patient office or other outpatient visit, typically 15 minutes	127	220
2	90960Dialysis services (4 or more physician visits per month), patient 20 years of age and older	66	226
3	99231Subsequent hospital inpatient care, typically 15 minutes per day	51	118
4	99221Initial hospital inpatient care, typically 30 minutes per day	24	25
5	99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	23

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John F. Brennan, MD

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