Dr. Mark J. Brenner, MD

Dr. Brenner practices at Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare.

Dr. Brenner's NPI, 1902873409, was assigned on March 2, 2006. Dr. Brenner graduated from Tufts University School Of Medicine in 1981. Dr. Brenner holds Massachusetts license 54099.

Dr. Brenner's primary practice is Saint Vincent Hospital, at 123 Summer Street, Worcester, MA 01608 in Worcester County. The practice phone is (508) 363-5000.

Dr. Brenner's primary practice is Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare. Dr. Brenner is also affiliated with SSM Health Monroe Hospital. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Brenner to 2 more medical groups, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brenner practices, 4 sites in all. Vendor and product names are available with a free account.

Diagnostic radiology is Dr. Brenner's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Brenner is board certified in therapeutic radiology by the American Board of Radiology. Dmand AI has Dr. Brenner's licenses on file in 3 states: Massachusetts, Maryland and Pennsylvania.

Dmand AI lists bladder cancer radiation, bone cancer radiation, breast cancer radiation, cancer radiation-upper GI, head & neck cancer radiation, lung cancer radiation, lymphoma radiation and prostate cancer radiation among the conditions Dr. Brenner treats.

CMS data shows 1,103 Medicare services from Dr. Brenner across 17 procedure codes in 2024, for 87 Medicare patients. Medicare paid $69,409 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 87 Medicare patients who saw Dr. Brenner in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have cancer, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Brenner's median patient age at 72, with 28% women.

In 2024, Dr. Brenner wrote 46 Medicare Part D claims for 24 patients. 93% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $334 in total drug cost. In 2022, CMS named 26 claims across 2 drugs.

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

Dmand AI links 4 papers to Dr. Brenner in 2014. The most frequent topics are Radiotherapy, Intensity-Modulated. Dr. Brenner's most frequent co-authors are Stuart M. Berman, MD, Bruce A. Bornstein, MD and Mark Brenner, DO.

CMS Open Payments shows 183 general payments to Dr. Brenner from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $954.

Dr. Brenner graduated from Tufts University School Of Medicine in 1981.

Dr. Brenner is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.