Dr. Donald W. Northfelt, MD

Dr. Northfelt practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic.

Dr. Northfelt's NPI, 1316922008, was assigned on December 14, 2005. Dr. Northfelt graduated from University Of Minnesota Medical School in 1985. Dr. Northfelt holds Arizona license 30026.

Dr. Northfelt's primary practice is Mayo Clinic Hospital - Phoenix, at 5777 East Mayo Boulevard, Phoenix, AZ 85054 in Maricopa County. The practice phone is (480) 342-4201.

Dr. Northfelt's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. Dr. Northfelt is also affiliated with Phoenix Indian Medical Center. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Dr. Northfelt to 1 more hospital and 2 medical groups, each named with a free account.

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

Hematology and oncology is Dr. Northfelt's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Northfelt is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Northfelt's licenses on file in 3 states: Arizona, California and Colorado.

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

CMS data shows 28,594 Medicare services from Dr. Northfelt across 41 procedure codes in 2024, for 682 Medicare patients. Medicare paid $809,995 for them.

CMS counts 682 Medicare patients who saw Dr. Northfelt in 2024. The largest group is 65 to 74, with 335 patients. 72% of them have high cholesterol, and 71% have high blood pressure. 6% are also on Medicaid. Their average risk score is 2.49, 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. Northfelt's median patient age at 66, with 64% women.

In 2024, Dr. Northfelt wrote 403 Medicare Part D claims for 102 patients. 67% of them were for generic drugs. CMS names the drug for 295 of them, across 11 drugs with 11 or more claims each, at $873,320 in total drug cost. In 2023, CMS named 199 claims across 7 drugs.

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

Dmand AI links 195 papers to Dr. Northfelt, published from 2005 to 2025. 2017 was the busiest year, with 21. The most frequent topics are Breast Neoplasms, Antineoplastic Combined Chemotherapy Protocols and Antineoplastic Agents. Dr. Northfelt has published most often in Clin Cancer Res. Dr. Northfelt's most frequent co-authors are Barbara A. Pockaj, MD, Edith Perez, MD and Karen Sue Anderson, MD, PhD.

Dmand AI links Dr. Northfelt to 24 clinical trials, 12 of them phase 2 studies. 5 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Breast Neoplasms, Male. Mayo Clinic sponsors the most, 7.

CMS Open Payments shows 17 general payments to Dr. Northfelt from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 69% of the total. Genentech, Inc. paid the most, $154. It also lists 6 research payments totaling $703 in 2018.

Dmand AI lists 13 awards for Dr. Northfelt, most recently America's Top Doctors in 2014.

Dr. Northfelt graduated from University Of Minnesota Medical School in 1985. Dr. Northfelt is a member of AOA, ACP and ASCO.

Dr. Northfelt is in network with 10 carriers, including Excellus BlueCross BlueShield, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.