Quick answers
- Does Brittany N. McCarthy accept Medicare assignment?
- Yes. Medicare's clinician data says Brittany N. McCarthy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brittany N. McCarthy see?
- In 2024, CMS data shows 557 Original Medicare patients and 1,866 services for Brittany N. McCarthy. This counts Original Medicare only and measures volume, not quality.
- What is Brittany N. McCarthy's NPI number?
- 1679244818. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brittany N. McCarthy, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 557 |
|---|---|
| Services billed to Medicare | 1,866 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)423 services
- Destruction of precancer skin growth, 2-14 growths (17003)405 services
- Destruction of skin growth, 1-14 growths (17110)206 services
- Destruction of precancer skin growth, 1 growth (17000)136 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)104 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure67%
- Arthritis45%
- Diabetes24%
- Ischemic heart disease20%
- Anxiety19%
Practice locations
Addresses where Brittany N. McCarthy is enrolled with Medicare (CMS data updated October 2, 2026).
- 123 Fox RdKnoxville, TN 37922 (865) 690‑9467
Group practices
Medicare enrollment lists Brittany N. McCarthy as a member of this group (CMS data updated October 2, 2026).
- Knoxville Dermatology Group PC30 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in Knoxville Dermatology Group PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Lincoln Memorial University Medical Department |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679244818 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians