Quick answers
- Does Maria J. Canizares accept Medicare assignment?
- Yes. Medicare's clinician data says Maria J. Canizares 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 Maria J. Canizares see?
- In 2024, CMS data shows 602 Original Medicare patients and 8,934 services for Maria J. Canizares. This counts Original Medicare only and measures volume, not quality.
- What is Maria J. Canizares's NPI number?
- 1699815449. 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 Maria J. Canizares, 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 | 602 |
|---|---|
| Services billed to Medicare | 8,934 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Biopsy of related skin growth, each additional growth (11103)2,535 services
- Destruction of precancer skin growth, 2-14 growths (17003)2,299 services
- Biopsy of related skin growth, first growth (11102)1,331 services
- Destruction of precancer skin growth, 1 growth (17000)1,156 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)788 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 pressure74%
- Arthritis44%
- Diabetes25%
- Chronic kidney disease24%
- Ischemic heart disease21%
Practice locations
Addresses where Maria J. Canizares is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Medical Plz, Suite 210Lake Saint Louis, MO 63367 (636) 561‑0026
Specialties
- Dermatologyprimary
Other dermatologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | St. Louis College Of Physicians And Surgeons |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699815449 |
| 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