Dr. Casey Boyd Duncan, MD

Dr. Duncan practices at Memorial Hermann Sugar Land Hospital in Sugarland, Texas, part of Memorial Hermann Health System.

Dr. Duncan's NPI, 1962669978, was assigned on May 19, 2008. Dr. Duncan graduated from Ohio State College of Medicine in 2008. Dr. Duncan holds Texas license Q5792.

Dr. Duncan's primary practice is Memorial Hermann Sugar Land Hospital, at 17500 W Grand Parkway South, Sugarland, TX 77479 in Fort Bend County. The practice phone is (281) 725-5000.

Dr. Duncan's primary practice is Memorial Hermann Sugar Land Hospital in Sugarland, Texas, part of Memorial Hermann Health System. Dr. Duncan is also affiliated with Memorial Hermann-Texas Medical Center. The medical group on file is UT Physicians. Dmand AI also links Dr. Duncan to 2 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. Duncan practices, 5 sites in all. Vendor and product names are available with a free account.

Surgical oncology is Dr. Duncan's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Duncan is board certified in complex general surgical oncology by the American Board of Surgery. Dr. Duncan is licensed in Texas.

Dmand AI lists cancerous skin growth removal and colonoscopy among the conditions Dr. Duncan treats.

CMS data shows 12 Medicare services from Dr. Duncan across 1 procedure code in 2024, all of them office visits, for 59 Medicare patients. Medicare paid $1,718 for them. Every service was in an office.

CMS counts 59 Medicare patients who saw Dr. Duncan in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.83, 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. Duncan's median patient age at 67, with 45% women.

In 2024, Dr. Duncan wrote 28 Medicare Part D claims for 23 patients. 93% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $56 in total drug cost. In 2023, CMS named 17 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Duncan for performance year 2024, reported as part of a group. Dr. Duncan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duncan as offering telehealth. CMS counts 18 procedures of melanoma (skin cancer) excision by Dr. Duncan, more than 73% of the clinicians it reports for that procedure.

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 3 papers to Dr. Duncan, published from 2012 to 2013. 2012 was the busiest year, with 2. Dr. Duncan's most frequent co-authors are Taylor Sohn Riall, MD and Christopher Joseph Zimmermann, MD.

CMS Open Payments shows 49 general payments to Dr. Duncan from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Stryker Corporation paid the most, $321.

Dr. Duncan graduated from Ohio State College of Medicine in 2008.

Dr. Duncan is in network with 23 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.