Dr. Eleonor Tan Quan, MD

Dr. Quan practices at Sanford Aberdeen Medical Center in Aberdeen, South Dakota, part of Sanford Health.

Dr. Quan's NPI, 1770502254, was assigned on July 18, 2006. Dr. Quan graduated from University of Santo Tomas in 1981. Dr. Quan holds California license A53257.

Dr. Quan's primary practice is Sanford Aberdeen Medical Center, at 2905 3rd Ave SE, Aberdeen, SD 57402 in Brown County. The practice phone is (605) 626-4200.

Dr. Quan's primary practice is Sanford Aberdeen Medical Center in Aberdeen, South Dakota, part of Sanford Health. Dr. Quan is also affiliated with Avera St. Luke's Hospital. The medical group on file is Sanford Health Lake Park Clinic. Dmand AI also links Dr. Quan to 1 more hospital, 4 medical groups and 1 group practice or clinic, each named with a free account. Dr. Quan's employer is on file too: a hospital.

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

Hematology and oncology is Dr. Quan's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Quan is board certified in medical oncology by the American Board of Internal Medicine. Dmand AI has Dr. Quan's licenses on file in 4 states: California, South Dakota, Montana and North Dakota.

Dmand AI lists breast cancer, chronic anemia, chronic embolism thrombosis, colorectal cancer, deep vein thrombosis (DVT), lung cancer, lymphoma and multiple myeloma among the conditions Dr. Quan treats.

CMS data shows 181 Medicare services from Dr. Quan across 3 procedure codes in 2024, all of them office visits, for 99 Medicare patients. Medicare paid $17,193 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 99 Medicare patients who saw Dr. Quan in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 23% are also on Medicaid. Their average risk score is 2.18, 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. Quan's median patient age at 74, with 56% women.

In 2024, Dr. Quan wrote 124 Medicare Part D claims for 40 patients. 85% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $77 in total drug cost. In 2023, CMS named 101 claims across 6 drugs.

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

CMS Open Payments shows 586 general payments to Dr. Quan from 56 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 83% of the total. Celgene Corporation paid the most, $2,171.

Dr. Quan graduated from University of Santo Tomas in 1981.

Dr. Quan is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.