Mackenzie Gwynne, M.D.
NPI 1780079665 · Dermatology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Gwynne, M.D. is a Dermatology Physician provider in Charleston, SC (NPI 1780079665).
Provider details
- NPI number
- 1780079665
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MMD.81923.MD (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
11 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
1,466 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 395 | $63 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 299 | $2 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 274 | $49 |
| Biopsy of Related Skin Growth, First Growth11102 | 147 | $25 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 111 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 93 | 65 |
| Ketoconazole | 82 | 45 |
| Clobetasol Propionate | 71 | 43 |
| Dupilumabbrand: Dupixent Pen | 62 | — |
| Mupirocin | 39 | 33 |
| Tacrolimus | 28 | 14 |
| Hydrocortisone | 25 | 23 |
| Risankizumab-Rzaabrand: Skyrizi Pen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$137 across 2 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
- 2015-03-30
- Last updated
- 2026-04-03
- Certified
- 2026-04-03
Frequently asked questions
- What is Mackenzie Gwynne's NPI number?
- Mackenzie Gwynne's National Provider Identifier (NPI) is 1780079665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Gwynne's specialty?
- Mackenzie Gwynne is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mackenzie Gwynne located?
- Mackenzie Gwynne's practice location on file with NPPES is 135 Rutledge Ave Fl 11, Charleston, SC 29425-8903.
- What is Mackenzie Gwynne's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Gwynne is (843) 792-3021.
- Does Mackenzie Gwynne accept Medicare?
- Mackenzie Gwynne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Gwynne's NPI active?
- Yes — Mackenzie Gwynne's NPI (1780079665) is active in the NPPES registry as of the last update on 2026-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.