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

Robert W Thumme, DO

Individual provider Emergency Medicine Physician · NPI 1275558660

Robert W Thumme, DO is an Emergency Medicine in Zion, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1997, 29 years ago. Practices with City of Hope Medical Group of Illinois PLLC, a 129-clinician group and accepts Medicare assignment. Licensed in Florida, Illinois, Kentucky and Wisconsin.

Years since qualifying
29
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
FL, IL, KY, WI
In the registry since
2006
Specialties on file
4
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 Partly verified

Some contact details are missing from the federal record.

Cancer Treatment Centers Of America 2520 Elisha Ave
Zion, IL 60099
Phone: (800) 322-9183
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036.112912 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 057824 (FL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 02721 (KY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 46677 (WI)

Record details

NPI number1275558660
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 13, 2006
Last updated in NPPESFebruary 20, 2020
Certification dateFebruary 20, 2020
Mailing addressCancer Treatment Centers Of America, 2361 Paysphere Circle, Chicago, IL 60674

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1997 (29 years in practice)
Group practice City Of Hope Medical Group Of Illinois Pllc — 129 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount