Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

On Call Medical Services LLC

Organization Pediatrics Physician · NPI 1578252318

On Call Medical Services LLC is a Pediatrics Physician in Chicago, Illinois. Registered with an NPI since 2023.

In the registry since
2023
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2934 W Sherwin Ave
Chicago, IL 60645-1210
Phone: (240) 354-6795
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urgent Care Clinic/Center (primary) Taxonomy 261QU0200X
Pediatrics Physician Taxonomy 208000000X

Record details

NPI number1578252318
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Samuel Singer — Owner/Physician · (240) 354-6795
Other names On Call Pediatrics; Pediatricare
NPI enumeratedMay 8, 2023
Last updated in NPPESJuly 28, 2023
Certification dateJuly 21, 2023
Mailing address2934 W Sherwin Ave, Chicago, IL 60645

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