Dr. Mazie Tsang, MD

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

Dr. Tsang's NPI, 1497161673, was assigned on July 8, 2014. Dr. Tsang graduated from John A. Burns School of Medicine in 2014. Dr. Tsang holds Arizona license 67002.

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

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

Hematology and oncology is Dr. Tsang's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Tsang is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Tsang's licenses on file in 12 states: Arizona, California, Colorado, Hawaii, Iowa, Illinois, Alabama, Connecticut, Minnesota, Wisconsin, Wyoming and Michigan.

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, deep vein thrombosis (DVT), immune deficiency disease, lymphoma, multiple myeloma and prostate cancer among the conditions Dr. Tsang treats.

CMS data shows 85,075 Medicare services from Dr. Tsang across 61 procedure codes in 2024, for 804 Medicare patients. Medicare paid $1,886,685 for them.

CMS counts 804 Medicare patients who saw Dr. Tsang in 2024. The largest group is 65 to 74, with 349 patients. 72% of them have high blood pressure, and 71% have high cholesterol. 3% are also on Medicaid. Their average risk score is 2.53, 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. Tsang's median patient age at 74, with 53% women.

In 2024, Dr. Tsang wrote 705 Medicare Part D claims for 90 patients. 77% of them were for generic drugs. CMS names the drug for 503 of them, across 13 drugs with 11 or more claims each, at $1,928,709 in total drug cost. In 2023, CMS named 370 claims across 14 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Tsang for performance year 2024, reported as part of a group. Dr. Tsang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tsang as offering telehealth.

Dmand AI links 34 papers to Dr. Tsang, published from 2012 to 2025. 2024 was the busiest year, with 6. The most frequent topics are Medical Oncology, Leukemia, Lymphocytic, Chronic, B-Cell and Geriatric Assessment. Dr. Tsang has published most often in J Geriatr Oncol. Dr. Tsang's most frequent co-authors are Talal Hilal, MD, Jose Francisco Leis, MD and Sameer Ashok Parikh, MD.

Dmand AI links Dr. Tsang to 1 clinical trial. 1 is still active or recruiting.

CMS Open Payments shows 24 general payments to Dr. Tsang from 8 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 74% of the total. Genentech, Inc. paid the most, $6,760. It also lists 2 research payments totaling $1,711 in 2025.

Dmand AI lists 6 awards for Dr. Tsang, most recently Conquer Cancer Merit Award in 2022.

Dr. Tsang graduated from John A. Burns School of Medicine in 2014. Dr. Tsang is a member of AAHPM, ASCO and ASH.

Dr. Tsang is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.