Question 1

What is Peter Haan Johnson, M.D.'s email address?

Accepted Answer

Peter Haan Johnson, M.D.'s email address is available to verified Dmand AI users. Their primary practice is located at Ascension Columbia St. Mary's Hospital in Milwaukee, Wisconsin. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Peter Haan Johnson, M.D.'s phone number?

Accepted Answer

Peter Haan Johnson, M.D.'s direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does Peter Haan Johnson, M.D. practice?

Accepted Answer

Peter Haan Johnson, M.D. is a Hematology & Oncology Physician physician currently practicing at Ascension Columbia St. Mary's Hospital in Milwaukee, Wisconsin. They hold admitting privileges at 4 hospital(s), including ASCENSION COLUMBIA ST MARY'S HOSPITAL MILWAUKEE. To see all the affiliations of Peter Haan Johnson, M.D., start a free trial.

Question 4

What is Peter Haan Johnson, M.D.'s specialty?

Accepted Answer

Peter Haan Johnson, M.D. is a board-certified Hematology & Oncology Physician physician with a subspecialty in Hematology & Oncology. They practice at Ascension Columbia St. Mary's Hospital in Milwaukee, Wisconsin.

Question 5

What procedures does Peter Haan Johnson, M.D. perform?

Accepted Answer

Peter Haan Johnson, M.D. performs procedures across 460 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 Peter Haan Johnson, M.D.'s NPI number?

Accepted Answer

Peter Haan Johnson, M.D.'s National Provider Identifier (NPI) is 1407948763. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207RH0003X, corresponding to Hematology & Oncology Physician.

Question 7

What EHR does Peter Haan Johnson, M.D. use?

Accepted Answer

The EHR and practice technology used by Peter Haan Johnson, M.D. at Ascension Columbia St. Mary's Hospital is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Peter Haan Johnson, M.D. accept?

Accepted Answer

Peter Haan Johnson, M.D. accepts 18 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Peter Haan Johnson, M.D. affiliated with?

Accepted Answer

Peter Haan Johnson, M.D. holds hospital privileges at 4 institution(s). Their primary affiliation is ASCENSION COLUMBIA ST MARY'S HOSPITAL MILWAUKEE in Milwaukee, Wisconsin.

Question 10

What are Peter Haan Johnson, M.D.'s board certifications?

Accepted Answer

Peter Haan Johnson, M.D. is board certified by American Board of Internal Medicine in Internal Medicine with subspecialty certification in Hematology. They have maintained this certification since .

Question 11

Where did Peter Haan Johnson, M.D. go to medical school?

Accepted Answer

Peter Haan Johnson, M.D. received their medical degree from University Of Kentucky College Of Medicine in 2001. They completed their Internal Medicine residency at Beth Israel Deaconess Medical Center and a fellowship in Hematology and Medical Oncology at University of Texas Health Science Center at Houston/M D Anderson Cancer Center.

Question 12

How many patients does Peter Haan Johnson, M.D. see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Peter Haan Johnson, M.D. served approximately 271 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Peter Haan Johnson, M.D. belong to?

Accepted Answer

Peter Haan Johnson, M.D. is affiliated with COLUMBIA ST MARYS HOSPITAL MILWAUKEE INC, a large (20+ physician) practice with 199 physicians based in Milwaukee, Wisconsin. The practice is independently owned.

Question 14

Does Peter Haan Johnson, M.D. conduct clinical research or trials?

Accepted Answer

Peter Haan Johnson, M.D. has 7 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	99214Established patient office or other outpatient visit, 30-39 minutes	141	286
2	99205New patient office or other outpatient visit, typically 60 minutes	48	48
3	99215Established patient office or other outpatient, visit typically 40 minutes	48	85
4	99213Established patient office or other outpatient visit, typically 15 minutes	23	29
5	99223Initial hospital inpatient care, typically 70 minutes per day	11	12

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Peter Haan Johnson, M.D.

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