Doctor profile · Federal record

Dr. Jonathan Tomasko, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Surgery Physician · Winfield, IL

  • NPI 1184882185
  • Accepts Medicare
  • MIPS 71.8 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
25 N Winfield RD
Winfield, IL 60190
(630) 933-4480
Additional location
351 Delnor Dr
Geneva, IL 601344220
Additional location
676 N. Saint Clair, Arkes Suite 650
Chicago, IL 60611
(312) 695-9726
Show 1 more location
Additional location
500 University Dr
Hershey, PA 170332360
(717) 531-8521

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
August 3, 2018
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
Illinois #036.137428 · Pennsylvania #MT193221

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184882185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$186
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 12 12 $16

In context: peer comparison

Among 3 peers in this city , average services per provider: 25. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,133
Transactions
19
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 4 $1,103.13
ATRICURE, INC. 14 $826.99
Medtronic, Inc. 1 $203.10

By nature of payment

Travel and Lodging
$1,103
Food and Beverage
$1,030

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
30
Patients
30
Total drug cost
$206
Drug Type Claims Patients Total cost
Chlorhexidine Gluconate Generic 15 15 $69
Mupirocin Generic 15 15 $137

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Tomasko's medical specialty?
Dr. Jonathan Tomasko practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Winfield, IL.
Where does Dr. Jonathan Tomasko practice?
Dr. Jonathan Tomasko practices at 25 N Winfield RD, Winfield, IL 60190. Office phone: 6309334480.
What is Dr. Jonathan Tomasko's NPI?
Dr. Jonathan Tomasko's National Provider Identifier (NPI) is 1184882185, issued by NPPES.
Does Dr. Jonathan Tomasko accept Medicare assignment?
Yes. Dr. Jonathan Tomasko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Tomasko commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508). Source: CMS Medicare Physician & Other Practitioners file.