Mackenzie Gwynne, M.D.
Dermatology Physician · Charleston, SC
Mackenzie Gwynne, M.D. is a dermatology physician with a practice address in Charleston, South Carolina, and NPI 1780079665, issued on Mar 30, 2015. Check the license (South Carolina MMD.81923.MD, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mackenzie Gwynne
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MMD.81923.MD SC
Self-reported in NPPES; status is on the state search - Practice location
- 135 Rutledge Ave FL 11, Charleston, SC 29425
- Phone
- (843) 792-3021
- Enumerated
- Mar 30, 2015
- Record last updated
- Apr 3, 2026
- Medicare enrollment
- Enrolled (PECOS I20190619003428); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 217 in South Carolina → Look up another NPI →
Also registered at 135 Rutledge Ave FL 11
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Maize, MDDermatopathology Physician1982683611
Verify Mackenzie Gwynne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license MMD.81923.MDCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average dermatology physician in 2024
662 Medicare Part D claims for 245 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide93 claims
- Ketoconazole82 claims
- Clobetasol Propionate71 claims
- Dupixent Pen62 claims
- Mupirocin39 claims
- Tacrolimus28 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $136.85
2 payments; by number, the most common kind was food and beverage; the largest payer was Journey Medical Corporation. 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
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mackenzie Gwynne among 217 dermatology physician records in South Carolina
Mackenzie Gwynne, M.D. is one of 217 dermatology physician records with a practice address in South Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 71% of them.
- NPI issued2015 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2015 · median 2008 among the 153 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 Charleston → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Diana Antonovich, MDCharleston, SC 294251427093657
- Graciela De Jesus, MDCharleston, SC 294251659577518
- Dirk Elston, MDCharleston, SC 294251669449161
- Benjamin Kuo, M.D.Charleston, SC 294251043419880
- Pearon Lang, MDCharleston, SC 294251104854314
- Anne Leclercq, M.D.Charleston, SC 294251649350976
- Richard Marchell, MDCharleston, SC 294251487682779
- Ross Pollack, MDCharleston, SC 294251467481739
Common questions
What is Mackenzie Gwynne, M.D.'s NPI number?
Mackenzie Gwynne, M.D.'s National Provider Identifier (NPI) is 1780079665, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mackenzie Gwynne, M.D. located?
The NPPES record lists a practice address at 135 Rutledge Ave FL 11, Charleston, SC, 29425. Phone: (843) 792-3021. Providers update this record themselves, so call before visiting.
How can I verify Mackenzie Gwynne, M.D.'s license?
NPPES lists South Carolina license number MMD.81923.MD, 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 Mackenzie Gwynne, M.D. prescribe under Medicare Part D?
In 2024, Mackenzie Gwynne, M.D. had 662 Medicare Part D claims for 245 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Mackenzie Gwynne, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.