Dr. William J. Harris III, MD

Dr. Harris practices at Mississippi Baptist Medical Center in Jackson, Mississippi, part of Baptist Memorial Health Care.

Dr. Harris' NPI, 1912058520, was assigned on January 12, 2007. Dr. Harris graduated from University of Mississippi School of Medicine in 1992. Dr. Harris holds Mississippi license 13584.

Dr. Harris' primary practice is Mississippi Baptist Medical Center, at 1225 N State St, Jackson, MS 39202 in Hinds County. The practice phone is (601) 968-1000.

Dr. Harris' primary practice is Mississippi Baptist Medical Center in Jackson, Mississippi, part of Baptist Memorial Health Care. Dr. Harris is also affiliated with FMOL Health | St. Dominic. The medical group on file is Baptist Medical Clinics. Dmand AI also links Dr. Harris to 1 more hospital, 3 group practices and clinics, 2 medical groups and 1 physician office, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harris practices, 7 sites in all. Vendor and product names are available with a free account.

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Harris' primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Harris is licensed in Mississippi.

CMS data shows 1,209 Medicare services from Dr. Harris across 16 procedure codes in 2024, for 912 Medicare patients. Medicare paid $113,597 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 912 Medicare patients who saw Dr. Harris in 2024. The largest group is 75 to 84, with 368 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.10, 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. Harris' median patient age at 72, with 49% women.

In 2024, Dr. Harris wrote 210 Medicare Part D claims for 118 patients. 93% of them were for generic drugs. CMS names the drug for 151 of them, across 3 drugs with 11 or more claims each, at $1,629 in total drug cost. In 2023, CMS named 126 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 78 out of 100 for Dr. Harris for performance year 2024, reported as part of a group. Dr. Harris accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 25 procedures of coronary artery bypass graft (cabg) by Dr. Harris, more than 76% of the clinicians it reports for that procedure.

Dmand AI links 3 papers to Dr. Harris, published from 2013 to 2019. Dr. Harris' most frequent co-authors are Kevin M. Brady, MD, Patricia Chungmen Cheung, MD and Jeffrey Howard Newman, MD.

CMS Open Payments shows 301 general payments to Dr. Harris from 27 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 59% of the total. AtriCure, Inc. paid the most, $59,026. It also lists 5 research payments totaling $10,600 from 2016 to 2017.

Dr. Harris graduated from University of Mississippi School of Medicine in 1992.