Dr. David B. Stewart Sr., MD

Dr. Stewart practices at Springfield Memorial Hospital in Springfield, Illinois, part of Memorial Health System.

Dr. Stewart's NPI, 1205930484, was assigned on September 11, 2006. Dr. Stewart holds Illinois license 036.156541.

Dr. Stewart's primary practice is Springfield Memorial Hospital, at 701 N First St, Springfield, IL 62702 in Sangamon County. The practice phone is (217) 788-3000.

Dr. Stewart's primary practice is Springfield Memorial Hospital in Springfield, Illinois, part of Memorial Health System. Dr. Stewart is also affiliated with HSHS St. John's Hospital. The medical group on file is SIU Medicine. Dmand AI also links Dr. Stewart to 3 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

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

Colon and rectal surgery is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dmand AI has Dr. Stewart's licenses on file in 2 states: Illinois and Pennsylvania.

CMS data shows 30 Medicare services from Dr. Stewart across 2 procedure codes in 2024, for 65 Medicare patients. Medicare paid $4,335 for them.

CMS counts 65 Medicare patients who saw Dr. Stewart in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.59, 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. Stewart's median patient age at 70, with 54% women.

In 2024, Dr. Stewart wrote 88 Medicare Part D claims for 45 patients. 85% of them were for generic drugs. CMS names the drug for 37 of them, across 3 drugs with 11 or more claims each, at $449 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Stewart for performance year 2024, reported as part of a group. Dr. Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stewart as offering telehealth. CMS counts 23 procedures of colonoscopy by Dr. Stewart, more than 50% of the clinicians it reports for that procedure.

Dmand AI links 79 papers to Dr. Stewart, published from 2010 to 2025. 2016 was the busiest year, with 5. The most frequent topics are Clostridioides difficile, Colectomy and Clostridium Infections. Dr. Stewart has published most often in Dis Colon Rectum. Dr. Stewart's most frequent co-authors are Evangelos Messaris, MD, PhD, Lisa S. Poritz, MD and William Sangster, MD.

Dmand AI links Dr. Stewart to 2 clinical trials. Conditions studied include Colitis, Ulcerative, Enterocolitis, Pseudomembranous and Colitis.

CMS Open Payments shows 23 general payments to Dr. Stewart from 10 drug and device companies from 2016 to 2025. Education make up the largest share, 43% of the total. Intuitive Surgical, Inc. paid the most, $4,369.