Doctor profile · Federal record

Dr. Jeanine Sienkowski, APN

Nurse Practitioner · Nurse Practitioner · Family Nurse Practitioner · Downers Grove, IL

  • NPI 1194807966
  • 20 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1441 Branding Ave Ste 310
Downers Grove, IL 605155624
(630) 829-1038
fax (630) 829-1040
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
May 5, 2023
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Illinois #277-000761 · Indiana #71005498A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194807966. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
4
Medicare allowed
$14,538
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 67 41 $94
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 45 38 $133
99497 Advance care planning, first 30 minutes 15 13 $58
99316 Nursing facility discharge management, more than 30 minutes 13 13 $108

In context: peer comparison

Among 16 peers in this city , average services per provider: 107. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeanine Sienkowski's medical specialty?
Dr. Jeanine Sienkowski practices Nurse Practitioner in Downers Grove, IL.
Where does Dr. Jeanine Sienkowski practice?
Dr. Jeanine Sienkowski practices at 1441 Branding Ave Ste 310, Downers Grove, IL 605155624. Office phone: 6308291038.
What is Dr. Jeanine Sienkowski's NPI?
Dr. Jeanine Sienkowski's National Provider Identifier (NPI) is 1194807966, issued by NPPES.
What procedures does Dr. Jeanine Sienkowski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.