Organization Active NPI

On Call Medical Services PC

  • Internal Medicine Physician
  • Lawrence, NY
National Provider Identifier
1821974320
Registry record updated Aug 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
ON CALL MEDICAL SERVICES PC
Practice address
48 Frost LN Unit a
Lawrence, NY 11559-1806
Phone
(516) 862-1600
NPI assigned
Aug 12, 2025
Last updated
Aug 12, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 12, 2025

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

Authorized official

Name
Eliezer Levitansky, DONPI 1003379827
Title
Medical Director
Phone
(718) 300-4705

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X NU Primary

Addresses

Primary practice location

48 Frost LN Unit a
Lawrence, NY 11559-1806

Mailing address

1219 E 68TH St
Brooklyn, NY 11234-5748
Phone (718) 300-4705

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260310000089 NY Part B Supplier - Clinic/Group Practice 2365925344 Receives reassigned benefits from 2 practitioners
Practice locations: Rochester, NY; Whitestone, NY; Valatie, NY; Utica, NY; Stamford, NY; Rome, NY; Plattsburgh, NY; Oneonta, NY…

National Provider Directory

National Provider Directory

Locations

15715 19th Ave
Whitestone, NY 11357
Phone (718) 559-0580

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1754956800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754956800000",
    "number": "1821974320",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1219 E 68TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112345748",
            "telephone_number": "718-300-4705"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "48 FROST LN UNIT A",
            "city": "LAWRENCE",
            "state": "NY",
            "postal_code": "115591806",
            "telephone_number": "516-862-1600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ON CALL MEDICAL SERVICES PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-08-12",
        "last_updated": "2025-08-12",
        "certification_date": "2025-08-12",
        "status": "A",
        "authorized_official_last_name": "LEVITANSKY",
        "authorized_official_first_name": "ELIEZER",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "718-300-4705",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lawrence, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.