Active NPI
On Call Medical Services PC
- Internal Medicine Physician
- Lawrence, NY
National Provider Identifier
1821974320
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- 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, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Eliezer Levitansky, DO
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
National Provider Directory
National Provider DirectoryLocations
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.
-
- Medical Physician Assistant
- Schenectady, NY
- NPI 1629587894
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.