Marcelo Ferreira Cassini, M.D., PH.D.
NPI 1154813947 · Anatomic Pathology & Clinical Pathology Physician · Danbury, CT
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcelo Ferreira Cassini, M.D., PH.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Danbury, CT (NPI 1154813947).
Provider details
- NPI number
- 1154813947
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 73251 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,334 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,264 | $37 |
| Protein Measurement, Serum84165 | 219 | $18 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 144 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 115 | $28 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 92 | $81 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 84 | $18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-06
- Last updated
- 2023-09-20
- Certified
- 2023-09-20
Frequently asked questions
- What is Marcelo Ferreira Cassini's NPI number?
- Marcelo Ferreira Cassini's National Provider Identifier (NPI) is 1154813947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcelo Ferreira Cassini's specialty?
- Marcelo Ferreira Cassini is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcelo Ferreira Cassini located?
- Marcelo Ferreira Cassini's practice location on file with NPPES is 24 Hospital Ave Dept of, Danbury, CT 06810-6099.
- What is Marcelo Ferreira Cassini's phone number?
- The practice phone number listed in the NPPES registry for Marcelo Ferreira Cassini is (203) 739-7034.
- Does Marcelo Ferreira Cassini accept Medicare?
- Marcelo Ferreira Cassini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcelo Ferreira Cassini's NPI active?
- Yes — Marcelo Ferreira Cassini's NPI (1154813947) is active in the NPPES registry as of the last update on 2023-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.