Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Chelessa Lee Usselman, ACNP-BC, BSN

Individual provider Acute Care Nurse Practitioner · NPI 1225309230

Chelessa Lee Usselman, ACNP-BC, BSN is a Nurse Practitioner in Oak Lawn, Illinois. Qualified in 2011, 15 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
15
Licensed in
IL
In the registry since
2012
Specialties on file
2
What do these letters mean?
BSN — Bachelor of Science in Nursing
A four-year nursing degree.

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Practice location Address checks out

4400 W 95th St Ste 407
Oak Lawn, IL 60453-2654
Phone: (708) 684-9600
Fax: (708) 520-1880
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 5841 S Maryland Ave, Chicago, IL 60637-1443 — (773) 702-1000
  • 120 Spalding Dr, Naperville, IL 60540-6508 — (630) 527-7730

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209-011016 (IL)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence 209011016 (IL)

Record details

NPI number1225309230
Entity typeIndividual (Type 1)
GenderFemale
Credentials ACNP-BC , BSN
Sole proprietorYes
NPI enumeratedJanuary 23, 2012
Last updated in NPPESOctober 7, 2024
Certification dateOctober 7, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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