Doctor profile · Federal record

Dr. Jonathan Jansen, DO

Hospitalist Physician · Internal Medicine Physician · Winfield, IL

  • NPI 1114169166
  • 17 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
25 N Winfield RD
Winfield, IL 601901295
(630) 933-4700
fax (630) 933-4427
Additional location
12251 S. 80Th Avenue
Palos Heights, IL 60463
(708) 923-5869
fax (708) 923-5018
Additional location
300 Randall RD
Geneva, IL 601344220
Mailing address
12251 S. 80Th Avenue, MED Staff Office Suite 1630
Palos Heights, IL 60463

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
May 24, 2023
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036136259
Medicaid
IL #036136259

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114169166. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47
Distinct HCPCS
1
Medicare allowed
$8,421
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 47 47 $179

In context: peer comparison

Among 31 peers in Winfield Hospitalist Physician, average services per provider: 153. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Jansen's medical specialty?
Dr. Jonathan Jansen practices Hospitalist Physician in Winfield, IL.
Where does Dr. Jonathan Jansen practice?
Dr. Jonathan Jansen practices at 25 N Winfield RD, Winfield, IL 601901295. Office phone: 6309334700.
What is Dr. Jonathan Jansen's NPI?
Dr. Jonathan Jansen's National Provider Identifier (NPI) is 1114169166, issued by NPPES.
What procedures does Dr. Jonathan Jansen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.