David Byron Duff
Dermatology Physician · North Charleston, SC
David Byron Duff is a dermatology physician with a practice address in North Charleston, South Carolina, and NPI 1003435801, issued on Apr 11, 2020. Check the license (South Carolina 86319, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Byron Duff
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 86319 SC
Self-reported in NPPES; status is on the state search - Practice location
- 9295 Medical Plaza Dr # AB, North Charleston, SC 29406
- Phone
- (843) 797-3960
- Enumerated
- Apr 11, 2020
- Record last updated
- Aug 14, 2024
- Medicare enrollment
- Enrolled (PECOS I20240325003116); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2020
- Entity
- Type 1 · individual
Also registered at 9295 Medical Plaza Dr # AB
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Saylors, M.D.MOHS-Micrographic Surgery Physician1609296698
Verify David Byron Duff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 86319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average dermatology physician in 2024
832 Medicare Part D claims for 388 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Clobetasol Propionate105 claims
- Triamcinolone Acetonide99 claims
- Ketoconazole84 claims
- Hydrocortisone71 claims
- Fluorouracil40 claims
- Doxycycline Hyclate34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,280.30
45 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Trident Dermatology PACharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in South Carolina
There are 217 dermatology physician records in South Carolina.
All 217 in South Carolina → Every provider in North Charleston →
Other dermatology physician records in South Carolina
- Caroline Aguilar, MDMount Pleasant, SC1518548007
- Nicole Amrhein, MDMount Pleasant, SC1295351120
- Laura Andrews-Lee, MDCharleston, SC1194466433
- Alan Anthony, MDRock Hill, SC1114003415
- Diana Antonovich, MDCharleston, SC1427093657
- Victoria AsmusGreenville, SC1063047033
- Eric Baker, M.D., P.A.Greenville, SC1760576383
- Mariah Barrett, PA-CAiken, SC1891421079
- Benjamin Barrick, DOGreenville, SC1659718427
- Cassandra Beard, D.O.Okatie, SC1508304833
Common questions
What is David Byron Duff's NPI number?
David Byron Duff's National Provider Identifier (NPI) is 1003435801, issued on Apr 11, 2020. An NPI identifies a provider in billing; it is not a license.
Where is David Byron Duff located?
The NPPES record lists a practice address at 9295 Medical Plaza Dr # AB, North Charleston, SC, 29406. Phone: (843) 797-3960. Providers update this record themselves, so call before visiting.
How can I verify David Byron Duff's license?
NPPES lists South Carolina license number 86319, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Byron Duff prescribe under Medicare Part D?
In 2024, David Byron Duff had 832 Medicare Part D claims for 388 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.