Dr. James Irwin Ewing, MD

Dr. Ewing practices at Ironwood Cancer & Research Centers in Phoenix, Arizona.

Dr. Ewing's NPI, 1689837601, was assigned on July 9, 2008. Dr. Ewing graduated from Keck School of Medicine of USC in 2008. Dr. Ewing holds Arizona license 47444.

Dr. Ewing's primary practice is Ironwood Cancer & Research Centers, at 11209 N Tatum Blvd, Phoenix, AZ 85028 in Maricopa County. The practice phone is (480) 821-2838.

Dr. Ewing's primary practice is Ironwood Cancer & Research Centers in Phoenix, Arizona. Dr. Ewing is also affiliated with HonorHealth John C. Lincoln Medical Center. The medical group on file is Ironwood Cancer & Research Centers. Dmand AI also links Dr. Ewing to 4 more hospitals and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ewing practices, 6 sites in all. Vendor and product names are available with a free account.

Medical oncology is Dr. Ewing's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Ewing is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ewing's licenses on file in 2 states: Arizona and Texas.

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, immune deficiency disease, lung cancer, lymphoma and multiple myeloma among the conditions Dr. Ewing treats.

CMS data shows 84,879 Medicare services from Dr. Ewing across 36 procedure codes in 2024, for 565 Medicare patients. Medicare paid $1,047,687 for them. Every service was in an office.

CMS counts 565 Medicare patients who saw Dr. Ewing in 2024. The largest group is 75 to 84, with 276 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.71, 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. Ewing's median patient age at 72, with 53% women.

In 2024, Dr. Ewing wrote 1,420 Medicare Part D claims for 249 patients. 74% of them were for generic drugs. CMS names the drug for 1,197 of them, across 34 drugs with 11 or more claims each, at $3,213,345 in total drug cost. In 2023, CMS named 1,045 claims across 30 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Ewing for performance year 2024. Dr. Ewing accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ewing as offering telehealth.

Dmand AI links 2 papers to Dr. Ewing. Dr. Ewing's most frequent co-authors are Nilofer Saba Azad, MD, Nancy Chan, MD and James Mark Cleary, MD, PhD.

CMS Open Payments shows 974 general payments to Dr. Ewing from 82 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 50% of the total. Celgene Corporation paid the most, $11,732.

Dr. Ewing graduated from Keck School of Medicine of USC in 2008.

Dr. Ewing is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.