Renee Lori Peksa-Sink, D.O.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036124670 Issued in IL

Practice address

801 S. Washington St.
Emergency Medicine
Naperville, IL 60540-7430

Phone

(630) 527-3000

Fax

(630) 527-3371

NPI assigned

Apr 2, 2010

Last updated

Nov 25, 2025By 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

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.

• Elmhurst Memorial Hospital

  dba Endeavor Health Elmhurst Hospital

  • General Acute Care Hospital
  • Elmhurst, IL
  • NPI 1548306343
  Medicare reassignment NPD
• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Allergy & Immunology Physician
  • Evanston, IL
  • NPI 1497701882

  Emergency Medicine

  Medicare reassignment NPD
• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1013969013
  Medicare reassignment
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD
• Laboratory & Pathology Diagnostics, LLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Naperville, IL
  • NPI 1285713826
  NPD

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

{
    "created_epoch": "1270166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1043535917",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE # 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2040",
            "fax_number": "847-733-5315"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 S. WASHINGTON ST.",
            "address_2": "EMERGENCY MEDICINE",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605407430",
            "telephone_number": "630-527-3000",
            "fax_number": "630-527-3371"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "350 N Wall St",
            "address_purpose": "LOCATION",
            "city": "Kankakee",
            "state": "IL",
            "postal_code": "609012901",
            "country_code": "US",
            "telephone_number": "815-935-7500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PEKSA-SINK",
        "first_name": "RENEE",
        "middle_name": "LORI",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-04-02",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036124670",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pediatric Wellness
• Mark A Pedigo, LCSW
• Mark Anthony Pedziwiatr Jr.
• John Peggau, PYSD
• Lisa Peirce Boyle, M.ED., BCBA
• Gabrielle Pelham, LPC ATR-P
• Dalip Pelinkovic, M.D.
• Mark Pelka, M.D.
• Lisa C Pellegrini, M.D.
• Roberto Pena Jr., LCSW, CADC

• Emergency Medicine Physician in Naperville, IL
• Providers in Naperville, IL by specialty
• Emergency Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.