Dr. Mason James Webb, MD, PhD

Dr. Webb practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota.

Dr. Webb's NPI, 1306306600, was assigned on March 22, 2019. Dr. Webb holds Minnesota license 67817.

Dr. Webb's primary practice is Mayo Clinic Breast Diagnostic Clinic, at 200 First Street SW, Rochester, MN 55905. The practice phone is (507) 284-5968.

Dr. Webb's primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dr. Webb is also affiliated with Mayo Clinic Hospital, Saint Marys Campus. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Webb to 2 more hospitals, 3 medical groups, 1 clinical lab, 1 group practice or clinic and 1 hospice, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Webb practices, 7 sites in all. Vendor and product names are available with a free account.

Hematology and oncology is Dr. Webb's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Webb is licensed in Minnesota.

CMS data shows 89 Medicare services from Dr. Webb across 3 procedure codes in 2024, all of them office visits, for 78 Medicare patients. Medicare paid $9,057 for them. Every service was in an office.

CMS counts 78 Medicare patients who saw Dr. Webb in 2024. The largest group is 75 to 84, with 37 patients. 63% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 2.20, 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. Webb's median patient age at 66, with 52% women.

In 2024, Dr. Webb wrote 121 Medicare Part D claims for 39 patients. 89% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $3,009 in total drug cost. In 2022, CMS named 69 claims across 4 drugs.

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

Dmand AI links 24 papers to Dr. Webb, published from 2016 to 2025. 2023 was the busiest year, with 8. The most frequent topics are Brain Neoplasms, Bevacizumab and Central Nervous System Neoplasms. Dr. Webb has published most often in J Neurooncol. Dr. Webb's most frequent co-authors are Ugur Sener, MD, Jian Li Campian, MD and Bryan Joseph Neth, MD.