Celestia Arendall Nielsen, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

277005672 Issued in IL

Practice address

755 S Milwaukee Ave Ste 181
Libertyville, IL 60048-3267

Phone

(847) 855-2430

Fax

(847) 855-2490

NPI assigned

Feb 25, 2020

Last updated

May 19, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Chest and Sleep Medicine Associates SCGroup PAC ID 6204803059, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Condell Medical Center Hospital, Libertyville, IL, CCN 140202
• Northwestern Medicine McHenry Hospital, McHenry, IL, CCN 140116

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: carendall201251@direct.myadvocateaurora.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Chest & Sleep Medicine Associates S.C.

  • Pulmonary Disease Physician
  • Libertyville, IL
  • NPI 1780604116
  Medicare reassignment Care Compare group
• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Good Samaritan Hospital

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Advocate Condell Medical Center

  dba Advocate Condell Imaging Center

  • Mobile Mammography Clinic/Center
  • Gurnee, IL
  • NPI 1023262441

  Hospital

  Care Compare affiliation
• Advocate Condell Medical Center

  • General Acute Care Hospital
  • Libertyville, IL
  • NPI 1124272547
  Care Compare affiliation
• Advocate Condell Medical Center

  dba Advocate Condell Medical Center Grays Lake

  • Mobile Mammography Clinic/Center
  • Grayslake, IL
  • NPI 1770737199

  Hospital

  Care Compare affiliation
• Northern Illinois Medical Center

  dba Centegra Hospital McHenry

  • General Acute Care Hospital
  • McHenry, IL
  • NPI 1982611281
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1582588800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1093349391",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "755 S MILWAUKEE AVE STE 181",
            "city": "LIBERTYVILLE",
            "state": "IL",
            "postal_code": "600483267",
            "telephone_number": "847-855-2430",
            "fax_number": "847-855-2490"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "755 S MILWAUKEE AVE STE 181",
            "city": "LIBERTYVILLE",
            "state": "IL",
            "postal_code": "600483267",
            "telephone_number": "847-855-2430",
            "fax_number": "847-855-2490"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIELSEN",
        "first_name": "CELESTIA",
        "middle_name": "ARENDALL",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-02-25",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "277005672",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Frank Nguyen, PA
• Tatiana Nicholls
• Nicole Hiller Counseling PLLC
• Maddox Niebauer, M.S., BCBA
• Katie Niebur, ND, DC
• Alexa Niermeyer, PA-C
• Alissa Nixon, SLP
• James Nixon
• Emmanuel Nnanna Njoku, MD
• Richard G Noelte, ATC

• Family Nurse Practitioner in Libertyville, IL
• Providers in Libertyville, IL by specialty
• Family Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.