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Gynecological Oncology

Elena S. Ratner, MD

Works at hospitals in Bridgeport, CT · Greenwich, CT · Derby, CT … · Connecticut

Summary

Elena S. Ratner, MD (Gynecological Oncology) is listed by Medicare at 5 hospitals in Bridgeport, CT, Greenwich, CT and Derby, CT and other places. NPI 1588846463. 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 Elena S. Ratner, 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

Gynecological OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
23Years since medical school (graduated 2003)
State University Of New York At Buffalo School Of MedicineMedical school
FemaleGender (as listed)
Yale UniversityGroup practice

Quick answers

Which hospitals does Elena S. Ratner work at?
Medicare's official clinician data lists Elena S. Ratner at 5 hospitals: Bridgeport Hospital, Greenwich Hospital Association -, Griffin Hospital, Lawrence & Memorial Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Elena S. Ratner see patients?
Medicare's clinician data lists 3 practice locations, including Waterbury, CT and New Haven, CT. Call before your visit to confirm the address.
What is Elena S. Ratner's specialty?
Medicare lists Gynecological Oncology as the primary specialty, and also Obstetrics/Gynecology.
Does Elena S. Ratner accept Medicare assignment?
Yes. Medicare's clinician data says Elena S. Ratner 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.
Does Elena S. Ratner offer telehealth?
Medicare's clinician data says Elena S. Ratner offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Elena S. Ratner?
(203) 755-6311, as listed in official Medicare / NPI Registry data.
What is Elena S. Ratner's NPI number?
1588846463. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Elena S. Ratner works

Medicare's Facility Affiliation Data lists Elena S. Ratner 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 Elena S. Ratner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Elena S. Ratner as a member of this group (CMS data updated 2026-10-02).

  • Yale University2,645 clinicians in the group

Specialties

Find other Gynecological Oncology doctors in Connecticut →

Other gynecologic oncologists in Connecticut

Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.

All gynecologic oncologists in Connecticut →

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588846463
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