Onsite Physician Services Of Illinois, S.c. - Primary Care in Middlefield, OH

Onsite Physician Services Of Illinois, S.c. is a primary clinic (Family Medicine) in Middlefield, Ohio. The current practice location for Onsite Physician Services Of Illinois, S.c. is 16052 Industrial Pkwy, Middlefield, Ohio. For appointments, you can reach them via phone at (815) 363-9500. The mailing address for Onsite Physician Services Of Illinois, S.c. is 4805 Prime Pkwy, Mchenry, Illinois and phone number is () -.

Onsite Physician Services Of Illinois, S.c. is licensed to practice in * (Not Available) (license number ) and its NPI number is 1801766084. This medical practice does not participate in medicare program and thus may not accept your medicare insurance. You may check if they accept your insurance at (815) 363-9500.

Contact Information

Onsite Physician Services Of Illinois, S.c.
16052 Industrial Pkwy
Middlefield
OH 44062-9382
(815) 363-9500
Not Available

Map and Direction


Primary Care Clinic Profile

Full NameOnsite Physician Services Of Illinois, S.c.
SpecialityFamily Medicine
Location16052 Industrial Pkwy, Middlefield, Ohio
Authorized Official Name and PositionAlan Gegenheimer (PRESIDENT)
Authorized Official Contact8153639500
Accepts Medicare InsuranceThis clinic does not participate in Medicare Program.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Onsite Physician Services Of Illinois, S.c.
4805 Prime Pkwy
Mchenry
IL 60050-7002

Ph: () -
Onsite Physician Services Of Illinois, S.c.
16052 Industrial Pkwy
Middlefield
OH 44062-9382

Ph: (815) 363-9500

NPI Details:

NPI Number1801766084
Provider Enumeration Date11/11/2025
Last Update Date11/11/2025

Medical Identifiers

Medical identifiers for Onsite Physician Services Of Illinois, S.c. such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801766084NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine (* (Not Available))Primary

Reviews and Comments


Family Medicine in Middlefield, OH

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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.