Greta Obereiner, APN

Primary specialty

Pediatric Nurse PractitionerTaxonomy code 363LP0200X

License

209.004053 Issued in IL

Practice address

1801 Windsor Rd
Champaign, IL 61822-6217

Phone

(217) 366-8130

Fax

(217) 366-6106

NPI assigned

Feb 7, 2008

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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gobereiner27766@direct.achn.net

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

• Access Community Health Network

  • Federally Qualified Health Center (FQHC)
  • Des Plaines, IL
  • NPI 1982783692
  Medicare reassignment NPD
• Access Community Health Network

  • Federally Qualified Health Center (FQHC)
  • Chicago, IL
  • NPI 1699701383
  NPD
• Access Community Health Network

  • Federally Qualified Health Center (FQHC)
  • Bloomingdale, IL
  • NPI 1881773232
  NPD
• Advocate Health Centers, Inc.

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1639111933
  NPD (past)
• Hospital & Medical Foundation of Paris, Inc.

  • Clinic/Center
  • Paris, IL
  • NPI 1629280367
  NPD (past)

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

{
    "created_epoch": "1202342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747180800000",
    "number": "1053599423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "721 W LAKE ST STE 202",
            "city": "ADDISON",
            "state": "IL",
            "postal_code": "601012035",
            "telephone_number": "217-621-6755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1801 WINDSOR RD",
            "city": "CHAMPAIGN",
            "state": "IL",
            "postal_code": "618226217",
            "telephone_number": "217-366-8130",
            "fax_number": "217-366-6106"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBEREINER",
        "first_name": "GRETA",
        "name_prefix": "Ms.",
        "credential": "APN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-02-07",
        "last_updated": "2025-05-14",
        "certification_date": "2025-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "IL",
            "license": "209.004053",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bienvenu Songo Nzinga, M.D
• Alia O'Brien
• Peter J. O'Brien, D.C.
• Thomas J O'Brien, DO
• Teresa O'Connor, DEVELOPMENTAL THERAP
• Kate I Oberg, CLS
• Grace Oseiwe Oboh
• Christopher Michael Ochs, LCPC CADC
• Keri Lynn Offenstein, BS MHP
• Brian Ogan, M.D.

• Pediatric Nurse Practitioner in Champaign, IL
• Providers in Champaign, IL by specialty
• Pediatric Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 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.