Dr. Brenda J. Ernst, MD

Dr. Ernst practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.

Dr. Ernst's NPI, 1134449416, was assigned on June 9, 2010. Dr. Ernst holds Arizona license 47384.

Dr. Ernst's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale, at 13400 East Shea Boulevard, Scottsdale, AZ 85259. The practice phone is (480) 342-4201.

Dr. Ernst's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dr. Ernst is also affiliated with Mayo Clinic Hospital - Phoenix. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Dr. Ernst to 1 more hospital and 2 medical groups, each named with a free account. Dr. Ernst's employer is on file too: a surgery center (asc).

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ernst practices, 3 sites in all. Vendor and product names are available with a free account.

Hematology and oncology is Dr. Ernst's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Ernst's licenses on file in 2 states: Arizona and Florida.

CMS data shows 67,691 Medicare services from Dr. Ernst across 54 procedure codes in 2024, for 672 Medicare patients. Medicare paid $1,428,339 for them.

CMS counts 672 Medicare patients who saw Dr. Ernst in 2024. The largest group is 65 to 74, with 326 patients. 72% of them have high cholesterol, and 69% have high blood pressure. 4% are also on Medicaid. Their average risk score is 2.47, 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. Ernst's median patient age at 68, with 74% women.

In 2024, Dr. Ernst wrote 338 Medicare Part D claims for 85 patients. 88% of them were for generic drugs. CMS names the drug for 232 of them, across 7 drugs with 11 or more claims each, at $5,703 in total drug cost. In 2023, CMS named 74 claims across 5 drugs.

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

Dmand AI links 18 papers to Dr. Ernst, published from 2018 to 2024. 2022 was the busiest year, with 3. The most frequent topics are Breast Neoplasms, Antineoplastic Agents and Communication. Dr. Ernst has published most often in Cancer Nurs. Dr. Ernst's most frequent co-authors are Donald W. Northfelt, MD, Barbara A. Pockaj, MD and Patricia Ann Cronin, MD.

Dmand AI links Dr. Ernst to 5 clinical trials, 2 of them phase 2 studies. 2 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Endometrial Neoplasms. Mayo Clinic sponsors the most, 3. Open Payments lists research payments to Dr. Ernst that name 1 trial.

CMS Open Payments shows 49 general payments to Dr. Ernst from 21 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 64% of the total. Gilead Sciences, Inc. paid the most, $3,912. It also lists 2 research payments totaling $1,100 from 2021 to 2022, naming 1 clinical trial.