Doctor profile · Federal record

Dr. Chelessa Usselman, ACNP-BC, BSN

Nurse Practitioner · Acute Care Nurse Practitioner · Oak Lawn, IL

  • NPI 1225309230
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4400 W 95Th St Ste 407
Oak Lawn, IL 604532654
(708) 684-9600
fax (708) 520-1880
Additional location
120 Spalding Dr, Suite 101
Naperville, IL 605406508
(630) 527-7730
Additional location
5841 S Maryland Ave
Chicago, IL 606371443
(773) 702-1000
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
January 2012 — 14 yrs on file
Profile last updated
October 7, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Illinois #209-011016 · Illinois #209011016

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225309230. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17
Distinct HCPCS
1
Medicare allowed
$3,273
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 17 17 $193

In context: peer comparison

Among 17 peers in this city , average services per provider: 125. This provider delivers 0.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chelessa Usselman's medical specialty?
Dr. Chelessa Usselman practices Nurse Practitioner in Oak Lawn, IL.
Where does Dr. Chelessa Usselman practice?
Dr. Chelessa Usselman practices at 4400 W 95Th St Ste 407, Oak Lawn, IL 604532654. Office phone: 7086849600.
What is Dr. Chelessa Usselman's NPI?
Dr. Chelessa Usselman's National Provider Identifier (NPI) is 1225309230, issued by NPPES.
Does Dr. Chelessa Usselman accept Medicare assignment?
Yes. Dr. Chelessa Usselman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chelessa Usselman commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.