Individual provider · Type 1 NPI

Justin Duffy, PA-C

Physician Assistant · Mchenry, IL

NPI number 1174918809 Active

Practice location

4309 W Medical Center Dr Ste A200
Mchenry, IL 60050-8437

Call (815) 759-8070 Map

Fax (815) 759-4931

Other practice locations

  • 431 Savannah Rd, Lewes, DE 19958-1460 · (302) 644-4282

Specialties and licenses

TaxonomyCodeLicense
Physician Assistant Primary 363A00000X1174918809 (IL)
Surgical Physician Assistant 363AS0400XC5-0001211 (DE)
Surgical Physician Assistant 363AS0400XMA059753 (PA)
Surgical Physician Assistant 363AS0400X0110008240 (VA)
Physician Assistant 363A00000XC5-0001211 (DE)

Physician Assistant: A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, orde…

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About NPI 1174918809

Justin Duffy, PA-C's National Provider Identifier is 1174918809, issued on Mar 31, 2015. The primary taxonomy on file is Physician Assistant (363A00000X), and the practice location is in Mchenry, IL. The record was last updated on Sep 10, 2026.