Quick answers
- Does Mariza C. Marcili accept Medicare assignment?
- Yes. Medicare's clinician data says Mariza C. Marcili 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 Mariza C. Marcili see?
- In 2024, CMS data shows 690 Original Medicare patients and 4,192 services for Mariza C. Marcili. This counts Original Medicare only and measures volume, not quality.
- What is Mariza C. Marcili's NPI number?
- 1407981319. 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 Mariza C. Marcili, 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 | 690 |
|---|---|
| Services billed to Medicare | 4,192 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)1,305 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)1,074 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)437 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)305 services
- Follow-up psychiatric collaborative care management, subsequent calendar month, first 60 minutes (99493)212 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 pressure75%
- High cholesterol75%
- Depression75%
- Anxiety73%
- Arthritis61%
- Alzheimer's disease or dementia54%
Practice locations
Addresses where Mariza C. Marcili is enrolled with Medicare (CMS data updated October 2, 2026).
- 4045 E Bell Rd, Suite 139Phoenix, AZ 85032 (602) 824‑9309
Group practices
Medicare enrollment lists Mariza C. Marcili as a member of this group (CMS data updated October 2, 2026).
- Marcann Mental Health Services PLLC10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in Marcann Mental Health Services PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407981319 |
| 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