Quick answers
- Does Marie Zambelli accept Medicare assignment?
- Yes. Medicare's clinician data says Marie Zambelli 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 Marie Zambelli see?
- In 2024, CMS data shows 242 Original Medicare patients and 558 services for Marie Zambelli. This counts Original Medicare only and measures volume, not quality.
- What is Marie Zambelli's NPI number?
- 1508419656. 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 Marie Zambelli, 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 | 242 |
|---|---|
| Services billed to Medicare | 558 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)259 services
- Blood test, comprehensive group of blood chemicals (80053)35 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)33 services
- Insertion of needle into vein for collection of blood sample (36415)32 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%
- Arthritis75%
- Depression38%
- Chronic kidney disease36%
- Ischemic heart disease34%
Hospitals where Marie Zambelli works
Medicare's Facility Affiliation Data lists Marie Zambelli 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.
- Sarasota Memorial Hospital - VeniceNorth Venice, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100359
Practice locations
Addresses where Marie Zambelli is enrolled with Medicare (CMS data updated October 2, 2026).
- 1299 Jacaranda BlvdVenice, FL 34292 (941) 303‑5505
- 19621 Cochran Blvd, Suite 3Port Charlotte, FL 33948 (941) 627‑9095
- 300 Tamiami Trl S, Unit 1Venice, FL 34285 (941) 303‑5713
Group practices
Medicare enrollment lists Marie Zambelli as a member of these groups (CMS data updated October 2, 2026).
- Guardian Health LLC6 clinicians in the group
- SW Florida Pain Center Inc.4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Venice
Clinicians with the same Medicare primary specialty in Venice, FL — not a recommendation.
Other clinicians in Guardian Health LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508419656 |
| 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