Olga Vasylyeva, M.D.

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

271226 Issued in NY

Practice address

5 Perryridge Rd
Greenwich, CT 06830-4608

Phone

(203) 869-8838

NPI assigned

Apr 19, 2010

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Infectious DiseaseAlso: Internal Medicine

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Rochester General HospitalGroup PAC ID 0244149474, 1,192 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Rochester General Hospital Hospital, Rochester, NY, CCN 330125

Merit-based Incentive Payment System (MIPS)

Final score

96.62 of 100Reported as apm

Quality

74.51

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ovasylyeva135061@direct.rochesterregional.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Rochester General Hospital

  • Family Medicine Physician
  • Rochester, NY
  • NPI 1356412712
  Medicare reassignment Care Compare group NPD
• Rochester General Hospital

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1255360517
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1271635200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1235455072",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 PERRYRIDGE RD",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068304608",
            "telephone_number": "203-869-8838"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 PERRYRIDGE RD",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068304608",
            "telephone_number": "203-869-8838"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VASYLYEVA",
        "first_name": "OLGA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-04-19",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NY",
            "license": "271226",
            "primary": true
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CT",
            "license": "84050",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "04164274",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ovasylyeva135061@direct.rochesterregional.org",
            "affiliation": "N",
            "address_1": "1425 Portland Ave",
            "city": "Rochester",
            "state": "NY",
            "country_code": "US",
            "postal_code": "146213001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Melissa Ann Vallera, DPT
• Valley Pediatrics of Greenwich, LLC
• Drew Charles Vandivner, DPT
• Sara Vantilburg
• Mary E Varghese, PHD
• Rosa Cristina Velasquez Maguina, MD
• Ayenaliz Velasquez, LAT, ATC
• Marcia Velez
• Kara Ventura, DNP, FNP, PNP
• Sean Vigneau

• Infectious Disease Physician in Greenwich, CT
• Providers in Greenwich, CT by specialty
• Infectious Disease Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.