Quick answers
- Does Karen R. Maze accept Medicare assignment?
- Yes. Medicare's clinician data says Karen R. Maze 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 Karen R. Maze see?
- In 2024, CMS data shows 223 Original Medicare patients and 2,991 services for Karen R. Maze. This counts Original Medicare only and measures volume, not quality.
- What is Karen R. Maze's NPI number?
- 1518242650. 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 Karen R. Maze, 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 | 223 |
|---|---|
| Services billed to Medicare | 2,991 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)492 services
- Insertion of needle into vein for collection of blood sample (36415)429 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)200 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)196 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)155 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 blood pressure74%
- High cholesterol71%
- Arthritis39%
- Diabetes27%
- Ischemic heart disease26%
- Anxiety21%
Hospitals where Karen R. Maze works
Medicare's Facility Affiliation Data lists Karen R. Maze at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Southern Tennessee Regional Health System WinchestWinchester, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440058
Practice locations
Addresses where Karen R. Maze is enrolled with Medicare (CMS data updated October 2, 2026).
- 186 Hospital RdWinchester, TN 37398
- 81 Memorial DrWinchester, TN 37398 (931) 967‑0450
- 83 Memorial DrWinchester, TN 37398 (931) 967‑3966
Group practices
Medicare enrollment lists Karen R. Maze as a member of this group (CMS data updated October 2, 2026).
- AMG-Southern Tennessee LLC52 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Winchester
Clinicians with the same Medicare primary specialty in Winchester, TN — not a recommendation.
Other clinicians in AMG-Southern Tennessee LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518242650 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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