Quick answers
- Does Marcia O. Deabreu accept Medicare assignment?
- Yes. Medicare's clinician data says Marcia O. Deabreu 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 Marcia O. Deabreu see?
- In 2024, CMS data shows 160 Original Medicare patients and 1,367 services for Marcia O. Deabreu. This counts Original Medicare only and measures volume, not quality.
- What is Marcia O. Deabreu's NPI number?
- 1316671431. 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 Marcia O. Deabreu, 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 | 160 |
|---|---|
| Services billed to Medicare | 1,367 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)1,212 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)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 pressure75%
- High cholesterol75%
- Diabetes75%
- Ischemic heart disease68%
- Depression66%
- Arthritis65%
Practice locations
Addresses where Marcia O. Deabreu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Old Country Rd, Suite 406Carle Place, NY 11514 (516) 725‑4901
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Carle Place
Clinicians with the same Medicare primary specialty in Carle Place, NY — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316671431 |
| 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