Dr. Patrick B. Johnston, MD

Dr. Johnston practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.

Dr. Johnston's NPI, 1053399246, was assigned on January 6, 2006. Dr. Johnston graduated from Heersink School of Medicine - Birmingham in 1995. Dr. Johnston holds Minnesota license 38834.

Dr. Johnston's primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.

Dr. Johnston's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Johnston to 1 more hospice, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 2 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Johnston is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Johnston's licenses on file in 2 states: Minnesota and Arizona.

Dmand AI lists lymphoma and multiple myeloma among the conditions Dr. Johnston treats.

CMS data shows 2,561 Medicare services from Dr. Johnston across 8 procedure codes in 2024, for 186 Medicare patients. Medicare paid $29,396 for them.

CMS counts 186 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 102 patients. 67% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 2.35, 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. Johnston's median patient age at 70, with 42% women.

In 2024, Dr. Johnston wrote 91 Medicare Part D claims for 31 patients. 89% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $355 in total drug cost. In 2023, CMS named 57 claims across 3 drugs.

Dr. Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johnston as offering telehealth.

Dmand AI links 156 papers to Dr. Johnston, published from 2005 to 2025. 2022 was the busiest year, with 17. The most frequent topics are Lymphoma, Large B-Cell, Diffuse, Antineoplastic Combined Chemotherapy Protocols and Transplantation, Autologous. Dr. Johnston has published most often in Leuk Lymphoma. Dr. Johnston's most frequent co-authors are Stephen M. Ansell, MD, Ivana N. Micallef, MD and David J. Inwards, MD.

Dmand AI links Dr. Johnston to 11 clinical trials, 5 of them phase 2 studies. 4 are still active or recruiting. Conditions studied include Lymphoma, Lymphoma, T-Cell, Peripheral and Lymphoma, T-Cell. Acrotech Biopharma Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Johnston that name 1 trial.

CMS Open Payments shows 5 general payments to Dr. Johnston from 3 drug and device companies from 2016 to 2018. Speaker and faculty fees make up the largest share, 80% of the total. BTG International, Inc. paid the most, $4,724. It also lists 2 research payments totaling $16,803 from 2019 to 2020, naming 1 clinical trial.

Dr. Johnston graduated from Heersink School of Medicine - Birmingham in 1995. Dr. Johnston is a member of ASCO.

Dr. Johnston is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.