Dr. Peter Haan Johnson, MD

Dr. Johnson practices at Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance.

Dr. Johnson's NPI, 1407948763, was assigned on September 28, 2006. Dr. Johnson graduated from University Of Kentucky College Of Medicine in 2001. Dr. Johnson's Texas license number on file is L8751.

Dr. Johnson's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus, at 2323 N Lake Dr, Milwaukee, WI 53211 in Milwaukee County. The practice phone is (414) 585-1374.

Dr. Johnson's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance. Dr. Johnson is also affiliated with Ascension SE Wisconsin Hospital - St. Joseph. The medical group on file is Ascension Columbia St. Mary's Hospital - Milwaukee Campus. Dmand AI also links Dr. Johnson to 1 more hospital, 1 behavioral health center and 1 clinical lab, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 5 sites in all. Vendor and product names are available with a free account.

Hematology and oncology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Johnson is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Johnson's licenses on file in 3 states: Texas, Wisconsin and Massachusetts.

Dmand AI lists arterial blot clot /embolism, breast cancer, chronic anemia, chronic embolism thrombosis, colorectal cancer, lung cancer, lymphoma and multiple myeloma among the conditions Dr. Johnson treats.

CMS data shows 604 Medicare services from Dr. Johnson across 5 procedure codes in 2024, for 169 Medicare patients. Medicare paid $29,946 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 169 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 90 patients. 69% of them have high cholesterol, and 68% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 71, with 64% women.

In 2024, Dr. Johnson wrote 1,040 Medicare Part D claims for 253 patients. 73% of them were for generic drugs. CMS names the drug for 901 of them, across 22 drugs with 11 or more claims each, at $1,684,863 in total drug cost. In 2023, CMS named 1,008 claims across 21 drugs.

Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 4 papers to Dr. Johnson in 2013. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols and Breast Neoplasms. Dr. Johnson's most frequent co-authors are Henry M. Kuerer, MD, George H. Perkins, MD and Mildred M. Ramirez, MD.

CMS Open Payments shows 5 general payments to Dr. Johnson from 5 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 82% of the total. TESARO, Inc. paid the most, $111.

Dmand AI lists 5 awards for Dr. Johnson, most recently CMS Stage 1 EHR in 2013.

Dr. Johnson graduated from University Of Kentucky College Of Medicine in 2001. Dr. Johnson is a member of ASCO.

Dr. Johnson is in network with 18 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.