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

Dr. James Patrick Sostak II, MD

Individual provider Orthopaedic Surgery Physician · NPI 1235200833

Dr. James Patrick Sostak II, MD is a Sports Medicine in Geneva, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2005, 21 years ago. Practices with Fox Valley Orthopaedic Associates PLLC, a 73-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Wisconsin.

Years since qualifying
21
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2525 Kaneville Road Fox Valley Orthopedics
Geneva, IL 60134
Phone: (630) 584-1400
Fax: (630) 584-1733
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sports Medicine (Orthopaedic Surgery) Physician (primary) Taxonomy 207XX0005X · Licence 036127437 (IL)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 49485-020 (WI)

Record details

NPI number1235200833
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 13, 2006
Last updated in NPPESJune 26, 2025
Certification dateJune 26, 2025
Mailing address2525 Kaneville Road, Fox Valley Orthopedics, Geneva, IL 60134

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtySPORTS MEDICINE
Also practisesORTHOPEDIC SURGERY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Fox Valley Orthopaedic Associates Pllc — 73 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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