Doctor profile · Federal record

Dr. Violet Wiersum, APRN, CNP

Nurse Practitioner · Critical Care Medicine Registered Nurse · Acute Care Nurse Practitioner · Chicago, IL

  • NPI 1326791914
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
676 N Saint Clair St Ste 14-044
Chicago, IL 606112927
(312) 908-8163
fax (312) 695-1394

Credentials & registration

NPPES · NUCC
NPI registered
February 2022 — 4 yrs on file
Profile last updated
September 21, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Illinois #209025108 · Illinois #041421701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326791914. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$2,311
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 12 12 $193

In context: peer comparison

Among 169 peers in Chicago Nurse Practitioner, average services per provider: 102. This provider delivers 0.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Violet Wiersum's medical specialty?
Dr. Violet Wiersum practices Nurse Practitioner in Chicago, IL.
Where does Dr. Violet Wiersum practice?
Dr. Violet Wiersum practices at 676 N Saint Clair St Ste 14-044, Chicago, IL 606112927. Office phone: 3129088163.
What is Dr. Violet Wiersum's NPI?
Dr. Violet Wiersum's National Provider Identifier (NPI) is 1326791914, issued by NPPES.
Does Dr. Violet Wiersum accept Medicare assignment?
Yes. Dr. Violet Wiersum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Violet Wiersum commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.