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General NPI Number Information
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NPI Number | 1801766084
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Entity Type | Organization
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Legal Business Name | ONSITE PHYSICIAN SERVICES OF ILLINOIS, S.C.
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Dates
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Enumeration Date | 11/11/2025
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Last Update Date | 11/11/2025
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Provider Practice Location Address
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Address Line | 16052 INDUSTRIAL PKWY
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City | MIDDLEFIELD
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State | OH
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Zip | 44062-9382
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Country | US
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Telephone | 815-363-9500
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Fax |
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Provider Business Mailing Address
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Address Line | 4805 PRIME PKWY
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City | MCHENRY
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State | IL
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Zip | 60050-7002
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Country | US
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Telephone |
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Fax |
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Authorized Official
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Title or Position | PRESIDENT
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Name | DR. ALAN GEGENHEIMER
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Credential | DO
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Telephone | 815-363-9500
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Scope of Practice (Provider's specialty)
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Taxonomy #1
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Taxonomy Code | 207Q00000X
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Taxonomy Name | Family Medicine Physician
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License Number |
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License Number State |
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