Individual provider Active NPI

Eileen Sacharski, MD

  • Internal Medicine Physician
  • Stamford, CT
National Provider Identifier
1104805639
Registry record updated Oct 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
158946-1 Issued in NY
Practice address
2539 Bedford St Apt 34D
Stamford, CT 06905-3932
Phone
(914) 548-8819
Fax
(914) 925-5499
NPI assigned
Jan 12, 2006
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 16, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 158946 NY
Internal Medicine Physician 207R00000X 158946-1 NY Primary

Addresses

Primary practice location

2539 Bedford St Apt 34D
Stamford, CT 06905-3932

Mailing address

2539 Bedford St Apt 34D
Stamford, CT 06905-3932
Phone (914) 548-8819

Other identifiers 1

IdentifierTypeStateIssuer
01037470046MedicaidNY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
158946-1NYMDInternal Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1137024000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1104805639",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2539 BEDFORD ST APT 34D",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069053932",
            "telephone_number": "914-548-8819",
            "fax_number": "914-925-5499"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2539 BEDFORD ST APT 34D",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069053932",
            "telephone_number": "914-548-8819",
            "fax_number": "914-925-5499"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SACHARSKI",
        "first_name": "EILEEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-01-12",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "158946",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "158946-1",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01037470046",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Stamford, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.