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Infectious Disease

Olga Vasylyeva

Works at hospitals in Greenwich, CT · Rochester, NY · Connecticut, New York

Summary

Olga Vasylyeva (Infectious Disease) is listed by Medicare at 2 hospitals in Greenwich, CT and Rochester, NY. NPI 1235455072. 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 Olga Vasylyeva, 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
24Years since medical school (graduated 2002)
FemaleGender (as listed)
Rochester General HospitalGroup practice

Quick answers

Which hospitals does Olga Vasylyeva work at?
Medicare's official clinician data lists Olga Vasylyeva at 2 hospitals: Greenwich Hospital Association - and Rochester General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Olga Vasylyeva see patients?
Medicare's clinician data lists 1 practice location in Rochester, NY. Call before your visit to confirm the address.
What is Olga Vasylyeva's specialty?
Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
Does Olga Vasylyeva accept Medicare assignment?
Yes. Medicare's clinician data says Olga Vasylyeva 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 Olga Vasylyeva offer telehealth?
Medicare's clinician data says Olga Vasylyeva offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Olga Vasylyeva?
(585) 922-4000, as listed in official Medicare / NPI Registry data.
What is Olga Vasylyeva's NPI number?
1235455072. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Olga Vasylyeva works

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

Group practices

Medicare enrollment lists Olga Vasylyeva as a member of this group (CMS data updated 2026-10-02).

  • Rochester General Hospital1,182 clinicians in the group

Specialties

Find other Infectious Disease doctors in New York →

Other infectious disease doctors in Rochester

Clinicians with the same Medicare primary specialty in Rochester, NY — not a recommendation.

All infectious disease doctors in Rochester →

Clinician information

Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235455072
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