Chelessa Usselman, ACNP-BC, BSN
NPI 1225309230 · Nurse Practitioner · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelessa Usselman, ACNP-BC, BSN is a Nurse Practitioner provider in Oak Lawn, IL (NPI 1225309230).
Provider details
- NPI number
- 1225309230
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNP-BC, BSN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209011016 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 5841 S Maryland AveChicago, IL 60637-1443Phone: (773) 702-1000
- 120 Spalding DrSuite 101Naperville, IL 60540-6508Phone: (630) 527-7730
Registry dates
- Enumerated
- 2012-01-23
- Last updated
- 2024-10-07
- Certified
- 2024-10-07
Frequently asked questions
- What is Chelessa Usselman's NPI number?
- Chelessa Usselman's National Provider Identifier (NPI) is 1225309230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelessa Usselman's specialty?
- Chelessa Usselman is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chelessa Usselman located?
- Chelessa Usselman's practice location on file with NPPES is 4400 W 95th St Ste 407, Oak Lawn, IL 60453-2654.
- What is Chelessa Usselman's phone number?
- The practice phone number listed in the NPPES registry for Chelessa Usselman is (708) 684-9600.
- Does Chelessa Usselman accept Medicare?
- Chelessa Usselman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelessa Usselman's NPI active?
- Yes — Chelessa Usselman's NPI (1225309230) is active in the NPPES registry as of the last update on 2024-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.