Dr. Edward William Duffy Jr., MD

Dr. Duffy practices at Prisma Health Tuomey Hospital in Sumter, South Carolina, part of Prisma Health.

Dr. Duffy's NPI, 1568516383, was assigned on January 22, 2007. Dr. Duffy graduated from Medical University of South Carolina College of Medicine in 1989. Dr. Duffy holds South Carolina license 16122.

Dr. Duffy's primary practice is Prisma Health Tuomey Hospital, at 129 N Washington St, Sumter, SC 29150 in Sumter County. The practice phone is (803) 774-8900.

Dr. Duffy's primary practice is Prisma Health Tuomey Hospital in Sumter, South Carolina, part of Prisma Health. Dr. Duffy is also affiliated with McLeod Regional Medical Center Florence. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Duffy to 1 more hospital, 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. Duffy practices, 4 sites in all. Vendor and product names are available with a free account.

Radiation oncology is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Duffy is licensed in South Carolina.

CMS data shows 3,547 Medicare services from Dr. Duffy across 20 procedure codes in 2024, for 332 Medicare patients. Medicare paid $224,481 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 332 Medicare patients who saw Dr. Duffy in 2024. The largest group is 65 to 74, with 165 patients. 75% of them have cancer, and 75% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.55, 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. Duffy's median patient age at 69, with 50% women.

In 2024, Dr. Duffy wrote 59 Medicare Part D claims for 27 patients. 81% of them were for generic drugs. CMS names the drug for 32 of them, across 1 drug with 11 or more claims each, at $412 in total drug cost. In 2023, CMS named 102 claims across 2 drugs.

Dr. Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 3 papers to Dr. Duffy, published from 2011 to 2024. Dr. Duffy's most frequent co-authors are Bradley Joseph Depaoli, MD, Jennifer L. Harper, MD and Justin Sayam Steinman, DO.

CMS Open Payments shows 42 general payments to Dr. Duffy from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $172.

Dr. Duffy graduated from Medical University of South Carolina College of Medicine in 1989.