Quick answers
- Does Leslie A. Mazur accept Medicare assignment?
- Yes. Medicare's clinician data says Leslie A. Mazur 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 Leslie A. Mazur see?
- In 2024, CMS data shows 457 Original Medicare patients and 2,122 services for Leslie A. Mazur. This counts Original Medicare only and measures volume, not quality.
- What is Leslie A. Mazur's NPI number?
- 1568418432. 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 Leslie A. Mazur, 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 | 457 |
|---|---|
| Services billed to Medicare | 2,122 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)852 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)416 services
- Destruction of precancer skin growth, 1 growth (17000)307 services
- Biopsy of related skin growth, first growth (11102)164 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)58 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 cholesterol74%
- High blood pressure57%
- Arthritis44%
- Ischemic heart disease23%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
- Osteoporosis17%
Practice locations
Addresses where Leslie A. Mazur is enrolled with Medicare (CMS data updated October 2, 2026).
- 1420 W Canal Ct, Suite 50Littleton, CO 80120 (303) 795‑2030
- 3455 S Yarrow StLakewood, CO 80227 (303) 989‑5231
Group practices
Medicare enrollment lists Leslie A. Mazur as a member of this group (CMS data updated October 2, 2026).
- Center for Advanced Dermatology LLC21 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Littleton
Clinicians with the same Medicare primary specialty in Littleton, CO — not a recommendation.
Other clinicians in Center for Advanced Dermatology LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568418432 |
| 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