Jonathan Michael Tomasko, M.D.
Thoracic Surgery (CMS) · Winfield, IL
At a glance
25 N Winfield Rd, Winfield, IL 60190
Published activity: Coronary artery bypass graft (CABG). View counts and coverage
NPPES record updated Aug 3, 2018. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
25 N Winfield RdWinfield, IL 60190
Additional reported practice locations
676 N. Saint ClairArkes Suite 650
Chicago, IL 60611
Phone: 3126959726 676 N. Saint Clair
Arkes Suite 650
Chicago, IL 60611
Phone: 3126959726 500 University Dr
Hershey, PA 170332360
Phone: 7175318521 351 Delnor Dr
Geneva, IL 601344220
Phone: 6309334480
Education & affiliations
- Medical / professional school
- Albany Medical College Of Union University
- Graduation year
- 2008
- CMS specialties
- Thoracic Surgery
Practice groups
Reported hospital affiliations
- Milton S Hershey Medical Center Hershey, PA
- Penn State Health Holy Spirit Medical Center Camp Hill, PA
- Wellspan Chambersburg Hospital Chambersburg, PA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Coronary artery bypass graft (CABG) | 22 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Travel and lodging | $2,378.85 |
| Food and beverage | $1,908.18 |
Reporting companies
| Company | Amount |
|---|---|
| MEDTRONIC, INC. | $1,540.27 |
| BOLTON MEDICAL INC | $1,402.77 |
| ATRICURE, INC. | $1,096.48 |
| EDWARDS LIFESCIENCES CORPORATION | $211.69 |
| ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP) | $20.96 |
| GETINGE USA SALES, LLC | $14.86 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Thoracic Surgery (CMS)
- Taxonomy code
- 208G00000X
- Enumeration date
- May 27, 2008
- Record updated
- Aug 3, 2018
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
208G00000X · Primary
License reported: 036.137428 IL
208600000X
License reported: MT193221 PA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
25 N Winfield RdWinfield, IL 60190
- Phone
- (630) 933-4480
Mailing address
25 N WINFIELD RDWINFIELD, IL 601901295
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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