Doctor profile · Federal record

Dr. Paul Antczak, APN-CNP

Nurse Practitioner · Chicago, IL

  • NPI 1790457190
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5140 N California Ave Ste M331
Chicago, IL 606253645
(773) 878-8200

Credentials & registration

NPPES · NUCC
NPI registered
October 2021 — 5 yrs on file
Profile last updated
November 17, 2021
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209023680

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790457190. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
151
Distinct HCPCS
1
Medicare allowed
$23,363
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 151 135 $155

In context: peer comparison

Among 169 peers in Chicago Nurse Practitioner, average services per provider: 102. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Antczak's medical specialty?
Dr. Paul Antczak practices Nurse Practitioner in Chicago, IL.
Where does Dr. Paul Antczak practice?
Dr. Paul Antczak practices at 5140 N California Ave Ste M331, Chicago, IL 606253645. Office phone: 7738788200.
What is Dr. Paul Antczak's NPI?
Dr. Paul Antczak's National Provider Identifier (NPI) is 1790457190, issued by NPPES.
Does Dr. Paul Antczak accept Medicare assignment?
Yes. Dr. Paul Antczak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Antczak 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.