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

George D. Tsonis, MD

Individual provider Emergency Medicine Physician · NPI 1225198849

George D. Tsonis, MD is an Emergency Medicine in Rockford, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1997, 29 years ago. Practices with Tri-County Emergency Physicians Ltd, an 18-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
29
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IL
In the registry since
2006
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

2400 N Rockton Ave
Rockford, IL 61103-3655
Phone: (815) 971-3333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036-100740 (IL)

Record details

NPI number1225198849
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESNovember 1, 2007
Mailing address2400 N Rockton Ave, Rockford, IL 61103-3655

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1997 (29 years in practice)
Group practice Tri-County Emergency Physicians Ltd — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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