Dr. John Ward MacArthur, MD

Dr. MacArthur practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. MacArthur's NPI, 1891957106, was assigned on June 27, 2008. Dr. MacArthur graduated from Vagelos College of Physicians and Surgeons in 2008. Dr. MacArthur holds California license A128776.

Dr. MacArthur's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Dr. MacArthur's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. MacArthur is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Dr. MacArthur to 2 more hospitals, 3 group practices and clinics, 3 medical groups and 1 home health agency, each named with a free account. Dr. MacArthur's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacArthur practices, 8 sites in all. Vendor and product names are available with a free account.

Thoracic surgery (cardiothoracic vascular surgery) is Dr. MacArthur's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. MacArthur is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. MacArthur's licenses on file in 2 states: California and Pennsylvania.

CMS data shows 228 Medicare services from Dr. MacArthur across 12 procedure codes in 2024, for 179 Medicare patients. Medicare paid $203,007 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 179 Medicare patients who saw Dr. MacArthur in 2024. The largest group is 75 to 84, with 78 patients. 75% of them have chronic kidney disease, and 75% have heart failure. 29% are also on Medicaid. Their average risk score is 2.29, 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. MacArthur's median patient age at 67, with 41% women.

In 2024, Dr. MacArthur wrote 29 Medicare Part D claims. 83% of them were for generic drugs. CMS names the drug for 27 of them, across 1 drug with 11 or more claims each, at $190 in total drug cost.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. MacArthur for performance year 2024, reported as part of a group. Dr. MacArthur accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of coronary artery bypass graft (cabg) by Dr. MacArthur, more than 78% of the clinicians it reports for that procedure.

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 94 papers to Dr. MacArthur, published from 2011 to 2025. 2020 was the busiest year, with 14. The most frequent topics are Heart Transplantation, Mitral Valve Insufficiency and Heart Failure. Dr. MacArthur has published most often in J Thorac Cardiovasc Surg. Dr. MacArthur's most frequent co-authors are Yi-Ping Joseph Woo, MD, Yasuhiro Shudo, MD and William Hiesinger, MD.

CMS Open Payments shows 116 general payments to Dr. MacArthur from 6 drug and device companies from 2020 to 2025. Travel and lodging make up the largest share, 74% of the total. Edwards Lifesciences Corporation paid the most, $11,622.

Dmand AI lists 1 award for Dr. MacArthur.

Dr. MacArthur graduated from Vagelos College of Physicians and Surgeons in 2008. Dr. MacArthur is a member of ACS and AHA.

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