GEORGE D. TSONIS (MD) – Emergency Medicine Physician, NPI 1225198849

GEORGE D. TSONIS (MD) is a healthcare provider. based in Rockford, Illinois. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. 036-100740 (IL). The NPI Number for GEORGE D. TSONIS (MD) is 1225198849

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
GEORGE D. TSONIS (MD)
NPI
1225198849
Phone
(815) 971-3333
Address
2400 N ROCKTON AVE
Enumeration Date
12 December 2006
Last Update Date
1 November 2007

Doctor Profile

Medical School Name
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Secondary Phone
8773462211
Graduation Year
1997 (29 years ago)
PAC ID
0749258242
Group Practice PAC ID
2567412240
Professional Enrollment ID
I20040922000782
Address ID
IL600101919BA450XX22XX500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

2,845 EMERGENCY MEDICINE in IL

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Provider Addresses for GEORGE D. TSONIS (MD)

  • Mercyhealth Hospital–Rockton Avenue, 2400, North Rockton Avenue, Rockford, Winnebago County, Illinois, 61103, United States

    ROCKFORD, IL 611033655

    Phone: (815) 971-3333

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-09-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040922000782IEmergency MedicineILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only333262$0
99285Emergency department visit with high level of medical decision making270263$0
99284Emergency department visit with moderate level of medical decision making9191$0
99291Critical care, first 30-74 minutes7773$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes2222$0
View full utilization report →

Insurance plans in this area (ZIP 61103)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2567412240View full group profile
NameSpecialtyState
Emergency MedicineIL
Emergency MedicineIL
Emergency MedicineIL
-IL
Emergency MedicinePA
Emergency MedicineIL
-IL
Emergency MedicineIL
Emergency MedicineIL
Emergency MedicineIL

Reviews

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Frequently asked questions

Can I cross-check GEORGE D. TSONIS (MD) using NPI 1225198849?
NPI 1225198849 belongs to GEORGE D. TSONIS (MD); compare other details if you need extra assurance.
Is there an active status for GEORGE D. TSONIS (MD)?
For scheduling context, GEORGE D. TSONIS (MD) is shown as active in the registry.
How would a patient describe GEORGE D. TSONIS (MD)'s focus?
For GEORGE D. TSONIS (MD), the primary taxonomy reads as Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for GEORGE D. TSONIS (MD)?
Travel planning: use Rockford, Illinois as the reference point for GEORGE D. TSONIS (MD), then confirm.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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