Doctor profile · Federal record

Dr. Sara Kowalczuk, NP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Chicago, IL

  • NPI 1871675561
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
233 E Superior St Fl 1
Chicago, IL 606112913
(312) 926-5741
fax (312) 926-4343

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 13, 2019
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Illinois #209-001291

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871675561. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
637
Distinct HCPCS
5
Medicare allowed
$61,831
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 235 149 $71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 153 149 $118
99204 New patient office or other outpatient visit, 45-59 minutes 138 138 $122
99214 Established patient office or other outpatient visit, 30-39 minutes 93 81 $88
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 18 16 $108

In context: peer comparison

Among 45 peers in Chicago Acute Care Nurse Practitioner, average services per provider: 62. This provider delivers 10× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sara Kowalczuk's medical specialty?
Dr. Sara Kowalczuk practices Acute Care Nurse Practitioner in Chicago, IL.
Where does Dr. Sara Kowalczuk practice?
Dr. Sara Kowalczuk practices at 233 E Superior St Fl 1, Chicago, IL 606112913. Office phone: 3129265741.
What is Dr. Sara Kowalczuk's NPI?
Dr. Sara Kowalczuk's National Provider Identifier (NPI) is 1871675561, issued by NPPES.
Does Dr. Sara Kowalczuk accept Medicare assignment?
Yes. Dr. Sara Kowalczuk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sara Kowalczuk commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.