Quick answers
- Does Marcelo Ferreira Cassini accept Medicare assignment?
- Yes. Medicare's clinician data says Marcelo Ferreira Cassini 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 Marcelo Ferreira Cassini see?
- In 2024, CMS data shows 1,074 Original Medicare patients and 2,470 services for Marcelo Ferreira Cassini. This counts Original Medicare only and measures volume, not quality.
- What is Marcelo Ferreira Cassini's NPI number?
- 1154813947. 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 Marcelo Ferreira Cassini, 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 | 1,074 |
|---|---|
| Services billed to Medicare | 2,470 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)1,281 services
- Protein measurement, serum (84165)219 services
- Cell examination of specimen, selective cellular enhancement technique (88112)144 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)115 services
- Pathology examination of tissue using a microscope, moderately high complexity (88307)92 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%
- Arthritis46%
- Ischemic heart disease34%
- Diabetes30%
- Chronic kidney disease29%
Hospitals where Marcelo Ferreira Cassini works
Medicare's Facility Affiliation Data lists Marcelo Ferreira Cassini 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.
- Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033
- Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
- Norwalk HospitalNorwalk, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070034
- Sharon HospitalSharon, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070004
Practice locations
Addresses where Marcelo Ferreira Cassini is enrolled with Medicare (CMS data updated October 2, 2026).
- 21 Elm StNew Milford, CT 06776 (860) 210‑5390
- 24 Hospital AveDanbury, CT 06810 (203) 739‑7118
- 50 Hospital Hill RdSharon, CT 06069 (860) 364‑4000
- 6511 Spring Brook AveRhinebeck, NY 12572 (845) 876‑3001
- 670 Stoneleigh AveCarmel, NY 10512 (845) 278‑5683
Group practices
Medicare enrollment lists Marcelo Ferreira Cassini as a member of these groups (CMS data updated October 2, 2026).
- Nuvance Health Medical Practice Ct Inc747 clinicians in the group
- Nuvance Health Medical Practice PC595 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in New Milford
Clinicians with the same Medicare primary specialty in New Milford, CT — not a recommendation.
Other clinicians in Nuvance Health Medical Practice Ct Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154813947 |
| 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