Doctor profile · Federal record

Dr. Kyle Niziolek, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Emergency Medicine Physician · Saint Louis, MO

  • NPI 1427314095
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Dept Anesthesiology
Saint Louis, MO 631101003
(800) 862-9980
fax (314) 362-1185
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Missouri #2023014539
Medicaid
MO #200123380

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427314095. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
7
Medicare allowed
$32,792
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 67 29 $83
99291 Critical care, first 30-74 minutes 65 59 $220
99292 Critical care, each additional 30 minutes 37 15 $109
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 30 $136
36620 Insertion of artery tube for blood sampling or infusion through skin 21 20 $46
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 19 19 $87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $181

In context: peer comparison

Among 22 peers in this city , average services per provider: 66. This provider delivers 3.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kyle Niziolek's medical specialty?
Dr. Kyle Niziolek practices Critical Care Medicine (Internal Medicine) Physician in Saint Louis, MO.
Where does Dr. Kyle Niziolek practice?
Dr. Kyle Niziolek practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 8008629980.
What is Dr. Kyle Niziolek's NPI?
Dr. Kyle Niziolek's National Provider Identifier (NPI) is 1427314095, issued by NPPES.
Does Dr. Kyle Niziolek accept Medicare assignment?
Yes. Dr. Kyle Niziolek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kyle Niziolek commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.