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

Dr. James J Siegert, DO

Individual provider Internal Medicine Physician · NPI 1245556224

Dr. James J Siegert, DO is an Urology in Olympia Fields, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2010, 16 years ago. Practices with Specialty Physicians of Illinois LLC, a 112-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
16
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2010
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

20201 Crawford Ave Ste 1276
Olympia Fields, IL 60461-1010
Phone: (708) 679-2270
Show map & directions

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

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 036-137110 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036137110 (IL)
General Acute Care Hospital Taxonomy 282N00000X

Record details

NPI number1245556224
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 15, 2010
Last updated in NPPESMarch 20, 2021
Certification dateMarch 20, 2021
Mailing address35318 Eagle Way, Chicago, IL 60678-1353

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2010 (16 years in practice)
Group practice Specialty Physicians Of Illinois Llc — 112 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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