Doctor profile · Federal record

Dr. George Tsonis, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Rockford, IL

  • NPI 1225198849
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2400 N Rockton Ave
Rockford, IL 611033655
(815) 971-3333

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
November 1, 2007
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Illinois #036-100740
Medicaid
IL #036100740

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225198849. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
809
Distinct HCPCS
6
Medicare allowed
$85,660
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 333 262 $8
99285 Emergency department visit with high level of medical decision making 270 263 $183
99284 Emergency department visit with moderate level of medical decision making 91 91 $125
99291 Critical care, first 30-74 minutes 77 73 $219
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $179
99283 Emergency department visit with low level of medical decision making 16 16 $75

In context: peer comparison

Among 18 peers in Rockford Emergency Medicine Physician, average services per provider: 111. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
75
Total drug cost
$396
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 38 38 $147
Ondansetron Odt (Ondansetron) Brand 14 14 $48
Cephalexin Generic 12 12 $148
Prednisone Generic 11 11 $53

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. George Tsonis's medical specialty?
Dr. George Tsonis practices Emergency Medicine Physician in Rockford, IL.
Where does Dr. George Tsonis practice?
Dr. George Tsonis practices at 2400 N Rockton Ave, Rockford, IL 611033655. Office phone: 8159713333.
What is Dr. George Tsonis's NPI?
Dr. George Tsonis's National Provider Identifier (NPI) is 1225198849, issued by NPPES.
Does Dr. George Tsonis accept Medicare assignment?
Yes. Dr. George Tsonis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Tsonis commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.