Dr. Mark David Herndon, MD

Dr. Herndon practices at Prisma Health Greenville Memorial Hospital in Greenville, South Carolina, part of Prisma Health.

Dr. Herndon's NPI, 1285751107, was assigned on March 24, 2007. Dr. Herndon graduated from Medical College of Georgia School of Medicine in 2005. Dr. Herndon holds South Carolina license 32321.

Dr. Herndon's primary practice is Prisma Health Greenville Memorial Hospital, at 701 Grove Road, Greenville, SC 29605 in Greenville County. The practice phone is (864) 455-7000.

Dr. Herndon's primary practice is Prisma Health Greenville Memorial Hospital in Greenville, South Carolina, part of Prisma Health. Dr. Herndon is also affiliated with Prisma Health Baptist Easley Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Herndon to 1 more hospital, 2 hospices 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. Herndon practices, 6 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Herndon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Herndon's licenses on file in 2 states: South Carolina and Georgia.

CMS data shows 441 Medicare services from Dr. Herndon across 10 procedure codes in 2024, for 179 Medicare patients. Medicare paid $24,981 for them.

CMS counts 179 Medicare patients who saw Dr. Herndon in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.18, 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. Herndon's median patient age at 63, with 47% women.

In 2024, Dr. Herndon wrote 237 Medicare Part D claims for 106 patients. 92% of them were for generic drugs. CMS names the drug for 128 of them, across 8 drugs with 11 or more claims each, at $1,390 in total drug cost. In 2023, CMS named 101 claims across 6 drugs.

Dr. Herndon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 164 procedures of removal of tissue by Dr. Herndon, more than 90% of the clinicians it reports for that procedure.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 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)

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

Dmand AI links 1 paper to Dr. Herndon. Dr. Herndon's most frequent co-author is Arnold Michael Conforti, MD.

CMS Open Payments shows 48 general payments to Dr. Herndon from 16 drug and device companies from 2016 to 2025. Education make up the largest share, 65% of the total. Intuitive Surgical, Inc. paid the most, $7,748.

Dr. Herndon graduated from Medical College of Georgia School of Medicine in 2005.