Dr. William T. Sumner, MD

Dr. Sumner practices at Dermatology Group of the Carolinas in Concord, North Carolina.

Dr. Sumner's NPI, 1871579110, was assigned on December 19, 2005. Dr. Sumner graduated from Duke University School of Medicine in 1996. Dr. Sumner holds North Carolina license 97-01610.

Dr. Sumner's primary practice is Dermatology Group of the Carolinas, at 335 Penny NE Ln, Concord, NC 28025 in Cabarrus County. The practice phone is (704) 784-5901.

Dr. Sumner's primary practice is Dermatology Group of the Carolinas in Concord, North Carolina. The medical group on file is Dermatology Group of the Carolinas. Dmand AI also links Dr. Sumner to 1 more group practice or clinic, named with a free account.

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

Procedural dermatology is Dr. Sumner's primary specialty in the NPI Registry, under taxonomy code 207NS0135X. Dr. Sumner is licensed in North Carolina.

CMS data shows 3,029 Medicare services from Dr. Sumner across 16 procedure codes in 2024, for 696 Medicare patients. Medicare paid $140,244 for them. Every service was in an office.

CMS counts 696 Medicare patients who saw Dr. Sumner in 2026. The largest group is 75 to 84, with 296 patients. 74% of them have high cholesterol, and 73% have high blood pressure. 2% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sumner's median patient age at 74, with 49% women.

In 2026, Dr. Sumner wrote 1,836 Medicare Part D claims for 669 patients. 96% of them were for generic drugs. CMS names the drug for 1,678 of them, across 26 drugs with 11 or more claims each, at $412,741 in total drug cost. In 2023, CMS named 1,569 claims across 25 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Sumner for performance year 2026, reported as part of a group. Dr. Sumner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 1,095 procedures of removal of skin lesions by Dr. Sumner, more than 94% of the clinicians it reports for that procedure.

Removal of tissue: 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)

CMS Open Payments shows 224 general payments to Dr. Sumner from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Abbvie Inc. paid the most, $931.

Dr. Sumner graduated from Duke University School of Medicine in 1996.