Individual provider Active NPI

Ilya Y Lantsberg, MD

  • Internal Medicine Physician
  • Great Neck, NY
National Provider Identifier
1306941711
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
240171 Issued in NY
Practice address
221 Middle Neck Rd Apt 6K
Great Neck, NY 11021-1129
Phone
(718) 809-1630
NPI assigned
Sep 13, 2006
Last updated
Aug 24, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD442687 PA
Internal Medicine Physician 207R00000X 240171 NY Primary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 240171 NY

Addresses

Primary practice location

221 Middle Neck Rd Apt 6K
Great Neck, NY 11021-1129

Mailing address

221 Middle Neck Rd Apt 6K
Great Neck, NY 11021-1129
Phone (718) 809-1630

Other practice location 1

751 Liberty St
Meadville, PA 16335-2559
Phone (814) 333-5140

Other names 1

  • Dr. Ilya Y Seleznev Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, PA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20061226000072 NY Practitioner - Critical Care (Intensivists)Practitioner - Internal MedicinePractitioner - Pulmonary Disease 9537169503 Reassigns benefits to 2 organizations
I20150511001351 PA Practitioner - HospitalistPractitioner - Internal MedicinePractitioner - Interventional Pain ManagementPractitioner - Pulmonary Disease 9537169503 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
State University of New York Downstate Medical Center, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Meadville Medical CenterGroup PAC ID 4284535790, shared by 20 NPIs, 139 clinicians

Practice addresses (Care Compare)

751 Liberty St
Meadville, PA 16335-2559

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Excela Health Physician Practices, Inc. CurrentSince Mar 30, 2015 Accepting new patients
Meadville Medical Center CurrentSince Aug 1, 2015 Accepting new patients
Good Samaritan Hospital Medical Center Current Accepting new patients
Meadville Clinical Pathologists, Inc Current Accepting new patients
Good Samaritan Hospital Medical Critical Care Medicine CurrentSince Jan 1, 2013 Accepting new patients
Apogee Medical Group of Pennsylvania PC Internal Medicine CurrentSince Feb 1, 2022 Accepting new patients
Meadville Medical Center Internal Medicine CurrentSince May 30, 2025 Accepting new patients
Meadville Medical Center CurrentSince Aug 1, 2015 Accepting new patients
Apogee Medical Group of Pennsylvania PC Internal Medicine CurrentSince Feb 1, 2022 Accepting new patients
Excela Health Physician Practices, Inc. CurrentSince Mar 30, 2015 Accepting new patients
Excela Health Physician Practices, Inc Current Accepting new patients
Apogee Medical Group, New York, PC Internal Medicine CurrentSince Jun 1, 2022 Accepting new patients
Meadville Medical Center Past Accepting new patients

Locations

15059 N Scottsdale Rd
Ste 600
Scottsdale, AZ 85254
Phone (602) 778-3601

515 Main St
Olean, NY 14760
Phone (716) 373-2600

830 Washington St
Watertown, NY 13601
Phone (315) 785-4000

1000 Montauk Hwy
West Islip, NY 11795
Phone (516) 705-2689

100 Hospital Ave
Dubois, PA 15801
Phone (814) 375-2040

532 W Pittsburgh St
Greensburg, PA 15601
Phone (724) 832-4000

1086 Franklin St
Johnstown, PA 15905
Phone (610) 250-4540

1034 Grove St
Meadville, PA 16335
Phone (814) 333-5728

751 Liberty St
Meadville, PA 16335
Phone (814) 333-5081

751 Liberty St
Slp Lab
Meadville, PA 16335
Phone (814) 333-5174

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: ilantsberg@direct.excelahealth.org

Organizations & group practices 14

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

View all 14

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1158105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1306941711",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "221 MIDDLE NECK RD APT 6K",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110211129",
            "telephone_number": "718-809-1630"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "221 MIDDLE NECK RD APT 6K",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110211129",
            "telephone_number": "718-809-1630"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "751 Liberty St",
            "address_purpose": "LOCATION",
            "city": "Meadville",
            "state": "PA",
            "postal_code": "163352559",
            "country_code": "US",
            "telephone_number": "814-333-5140",
            "fax_number": "814-333-5197",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LANTSBERG",
        "first_name": "ILYA",
        "middle_name": "Y",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-13",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD442687",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "240171",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "NY",
            "license": "240171",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ILYA",
            "last_name": "SELEZNEV",
            "middle_name": "Y",
            "prefix": "DR.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Great Neck, NY

Sources for this page

Verify at the official NPI Registry.