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Pathology

Fanni Ratzon, MD

Works at hospitals in Greenwich, CT · Stamford, CT · New Haven, CT · Connecticut

Summary

Fanni Ratzon, MD (Pathology) is listed by Medicare at 3 hospitals in Greenwich, CT, Stamford, CT and New Haven, CT. NPI 1316332752. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Fanni Ratzon, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
FemaleGender (as listed)
Premier Medical Group of the Hudson Valley PCGroup practice (+1 more)

Quick answers

Which hospitals does Fanni Ratzon work at?
Medicare's official clinician data lists Fanni Ratzon at 3 hospitals: Greenwich Hospital Association -, Stamford Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Fanni Ratzon see patients?
Medicare's clinician data lists 2 practice locations, including Greenwich, CT and Poughkeepsie, NY. Call before your visit to confirm the address.
What is Fanni Ratzon's specialty?
Medicare lists Pathology as the primary specialty.
Does Fanni Ratzon accept Medicare assignment?
Yes. Medicare's clinician data says Fanni Ratzon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Fanni Ratzon?
(203) 863-3061, as listed in official Medicare / NPI Registry data.
What is Fanni Ratzon's NPI number?
1316332752. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Fanni Ratzon works

Medicare's Facility Affiliation Data lists Fanni Ratzon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Fanni Ratzon is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Fanni Ratzon as a member of these groups (CMS data updated 2026-10-02).

  • Premier Medical Group of the Hudson Valley PC134 clinicians in the group
  • Greenwich Pathology Associates LLC8 clinicians in the group

Specialties

Find other Pathology doctors in Connecticut →

Other pathologists in Greenwich

Clinicians with the same Medicare primary specialty in Greenwich, CT — not a recommendation.

All pathologists in Greenwich →

Clinician information

CredentialMD
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316332752
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians