ON CALL MEDICAL SERVICES PC – NPI #1821974320
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Health Care Provider Taxonomy Code for Internal Medicine

ON CALL MEDICAL SERVICES PC is a provider located in LAWRENCE, NY. NPPES has assigned the NPI number 1821974320 to ON CALL MEDICAL SERVICES PC on August 12, 2025. It is a Type-2 NPI, indicating this NPI number is associated with an organization. The primary taxonomy selected by this provider is 207R00000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine.

Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ON CALL MEDICAL SERVICES PC below.

NPI Profile for
ON CALL MEDICAL SERVICES PC

NPI Number
1821974320
Enumeration Date

(about 10 months ago)
Entity Type
Type-2  Organization
Organization health care providers may have a single employee or thousands of employees. An example is an incorporated individual who is an organization's only employee.
Legal Name
ON CALL MEDICAL SERVICES PC
Primary location
48 FROST LN UNIT A
LAWRENCE, NY 11559-1806
Phone: (516) 862-1600 Fax:
Mailing address
1219 E 68TH ST
BROOKLYN, NY 11234-5748
Phone: (718) 300-4705 Fax:
Organization Subpart
No
Authorized Official
ELIEZER LEVITANSKY
MEDICAL DIRECTOR
Phone: (718) 300-4705
Updated
Certification Date
Aug 12, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207R00000X
- Internal Medicine (Primary)

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.