David Duff
NPI 1003435801 · Dermatology Physician · North Charleston, SC
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Duff is a Dermatology Physician provider in North Charleston, SC (NPI 1003435801).
Provider details
- NPI number
- 1003435801
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 86319 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,024 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,388 | $6 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 372 | $44 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 314 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $118 |
| Destruction of Skin Growth, 1-14 Growths17110 | 189 | $94 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 105 | 72 |
| Triamcinolone Acetonide | 99 | 73 |
| Ketoconazole | 84 | 52 |
| Hydrocortisone | 71 | 55 |
| Fluorouracil | 40 | 40 |
| Doxycycline Hyclate | 34 | 16 |
| Minoxidil | 33 | 11 |
| Dupilumabbrand: Dupixent Pen | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,280 across 45 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-11
- Last updated
- 2024-08-14
- Certified
- 2024-08-14
Frequently asked questions
- What is David Duff's NPI number?
- David Duff's National Provider Identifier (NPI) is 1003435801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Duff's specialty?
- David Duff is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is David Duff located?
- David Duff's practice location on file with NPPES is 9295 Medical Plaza Dr # Ab, North Charleston, SC 29406-9137.
- What is David Duff's phone number?
- The practice phone number listed in the NPPES registry for David Duff is (843) 797-3960.
- Does David Duff accept Medicare?
- David Duff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Duff's NPI active?
- Yes — David Duff's NPI (1003435801) is active in the NPPES registry as of the last update on 2024-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.