NPPES file of Aug 9, 2026

Marcelo Ferreira Cassini, M.D., PH.D.

Anatomic Pathology & Clinical Pathology Physician · Danbury, CT

Marcelo Ferreira Cassini, M.D., PH.D. is an anatomic pathology & clinical pathology physician with a practice address in Danbury, Connecticut, and NPI 1154813947, issued on Jun 6, 2018. Check the license (Connecticut 73251, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154813947
Name
Marcelo Ferreira Cassini
Credential
M.D., PH.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
73251 CT
Self-reported in NPPES; status is on the state search
Practice location
24 Hospital Ave Dept OF, Danbury, CT 06810
Phone
(203) 739-7034
Enumerated
Jun 6, 2018
Record last updated
Sep 20, 2023
Medicare enrollment
Enrolled (PECOS I20230606002744); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Marcelo Ferreira Cassini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 73251
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Nuvance Health Medical Practice CT IncDanbury, CT
  2. Nuvance Health Medical Practice PCSharon, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marcelo Ferreira Cassini among 212 anatomic pathology & clinical pathology physician records in Connecticut

Marcelo Ferreira Cassini, M.D., PH.D. is one of 212 anatomic pathology & clinical pathology physician records with a practice address in Connecticut. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 92% of them.

  • NPI issued2018 · 92% of these records are older, 7% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1996 · median 1999 among the 132 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Connecticut

There are 212 anatomic pathology & clinical pathology physician records in Connecticut.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Frank Braza, M.D.Danbury, CT 068101851351860
  2. Beatriz Cuello, M.D.Danbury, CT 068101932120623
  3. Jessica Dodge, M.D.Danbury, CT 068101134176522
  4. Hani El Fanek, M.D.Danbury, CT 068101558382267
  5. Gunjan Gupta, MD, PHDDanbury, CT 068101821238676
  6. Steven Sieber, M.D.Danbury, CT 068101942224043
  7. Nataliya Sostin, MDDanbury, CT 068101487049540
  8. Jeffrey West, M.D.Danbury, CT 068101982628095

Common questions

What is Marcelo Ferreira Cassini, M.D., PH.D.'s NPI number?

Marcelo Ferreira Cassini, M.D., PH.D.'s National Provider Identifier (NPI) is 1154813947, issued on Jun 6, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Marcelo Ferreira Cassini, M.D., PH.D. located?

The NPPES record lists a practice address at 24 Hospital Ave Dept OF, Danbury, CT, 06810. Phone: (203) 739-7034. Providers update this record themselves, so call before visiting.

How can I verify Marcelo Ferreira Cassini, M.D., PH.D.'s license?

NPPES lists Connecticut license number 73251, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.