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MACKENZIE GWYNNE M.D.
NPI 1780079665
Dermatology in Charleston, SC

Active since March 30, 2015PECOS EnrolledAccepts Medicare Assignment
77.86/100
CMS Quality Rating
135 RUTLEDGE AVE FL 11, CHARLESTON, SC 29425(843) 792-3021 Get Directions Write a Review

NPPES record last updated: April 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 3, 2026, Jun 16, 2016 (2 updates tracked since 2016).

About Mackenzie Gwynne M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MACKENZIE GWYNNE M.D. (NPI 1780079665) is an individual dermatology provider in Charleston, South Carolina, licensed in South Carolina (MMD.81923.MD) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of University Of South Carolina School Of Medicine (2015).

NPPES Registry Identity

NPI1780079665
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameMACKENZIE GWYNNECredential: M.D.
Location Address135 RUTLEDGE AVE FL 11Charleston, SC 29425-8903
Mailing Address135 Rutledge Ave Fl 11Charleston, SC 29425-8903 · (843) 792-3021
Phone(843) 792-3021
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2015
Enumeration DateMarch 30, 2015
Last NPPES UpdateApril 3, 20262 updates tracked since enumeration
NPPES CertifiedApril 3, 2026
✔ NPI 1780079665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in SC · MMD.81923.MD
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
135 RUTLEDGE AVE FL 11, Charleston, SC 29425
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, First Choice Next, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mackenzie Gwynne M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739481524
PECOS Enrollment IDI20190619003428
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
395 services317 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
299 services117 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
274 services218 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
147 services130 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
111 services111 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
76 services70 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.86/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality98.65
Promoting Interoperability100
Improvement Activities40
Cost27.55

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOHN C MAIZE SR. MD
Dermatology (Dermatopathology)
135 RUTLEDGE AVE FL 11, MSC 578
CHARLESTON, SC 29425
Charleston County (843) 792-9784

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mackenzie Gwynne's NPI number?

The NPI number for Mackenzie Gwynne is 1780079665. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Where is Mackenzie Gwynne located?

Mackenzie Gwynne practices at 135 Rutledge Ave Fl 11, Charleston, SC 29425. The listed phone number is (843) 792-3021.

What is Mackenzie Gwynne's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Mackenzie Gwynne enrolled in Medicare?

Yes. Mackenzie Gwynne is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mackenzie Gwynne accept?

Health plans from BlueCross BlueShield of South Carolina, First Choice Next and Molina Healthcare list Mackenzie Gwynne as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mackenzie Gwynne affiliated with any hospitals?

According to CMS data, Mackenzie Gwynne is affiliated with Musc Medical Center.

When was this NPI record last updated?

The NPPES record for Mackenzie Gwynne was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.