Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Onsite Physician Services of Illinois, SC

Organization Family Medicine Physician · NPI 1801766084

Onsite Physician Services of Illinois, SC provides Family Medicine Physician services in Middlefield, Ohio. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

16052 Industrial Pkwy
Middlefield, OH 44062-9382
Phone: (815) 363-9500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1801766084
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Alan Gegenheimer — President · (815) 363-9500
NPI enumeratedNovember 11, 2025
Last updated in NPPESNovember 11, 2025
Certification dateNovember 11, 2025
Mailing address4805 Prime Pkwy, McHenry, IL 60050-7002

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