OB-Gyne Associates of Libertyville, SC

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

Legal business name

OB-GYNE ASSOCIATES OF LIBERTYVILLE, SC

Practice address

801 S Milwaukee Avenue, Ste 100
Libertyville, IL 60048

Phone

(847) 680-3400

Fax

(847) 680-3486

NPI assigned

May 4, 2007

Organization subpart

No

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

Authorized official

Name

Dr. Rannveig Middleton, MDNPI 1912292822

Title

MD

Phone

(847) 680-3400

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Interoperability endpoints

• FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.1147

Practitioners 8

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Rannveig Middleton, M.D.

  • Obstetrics & Gynecology Physician
  • Libertyville, IL
  • NPI 1912292822

  IL, Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD Authorized official
• Megan Davis, MD

  • Obstetrics & Gynecology Physician
  • Libertyville, IL
  • NPI 1790364412

  IL, Single Specialty

  Medicare reassignment Care Compare group NPD
• Robert Bruce Rosenberg, M.D.

  • Obstetrics & Gynecology Physician
  • Grayslake, IL
  • NPI 1477535151

  IL, Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Jennifer Louise Schaefer, M.D.

  • Obstetrics & Gynecology Physician
  • Libertyville, IL
  • NPI 1669468484

  IL, Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Anastasia Brierton, DO

  • Obstetrics & Gynecology Physician
  • Libertyville, IL
  • NPI 1992385520

  IL, Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD (past)
• Akemi Lynn Nakanishi, M.D.

  • Obstetrics & Gynecology Physician
  • Libertyville, IL
  • NPI 1366436388

  IL

  Medicare reassignment Care Compare group
• Adriana Marie Spellman, M.D.

  • Obstetrics & Gynecology Physician
  • Libertyville, IL
  • NPI 1760474589

  IL

  Medicare reassignment Care Compare group
• Thomas E Garrity, MD

  • Otolaryngology Physician
  • Elk Grove Village, IL
  • NPI 1134105125
  NPD

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

{
    "created_epoch": "1178236800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1745193600000",
    "number": "1457563272",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 S MILWAUKEE AVENUE, STE 100",
            "city": "LIBERTYVILLE",
            "state": "IL",
            "postal_code": "60048",
            "telephone_number": "847-680-3400",
            "fax_number": "847-680-3486"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 S MILWAUKEE AVENUE, STE 100",
            "city": "LIBERTYVILLE",
            "state": "IL",
            "postal_code": "60048",
            "telephone_number": "847-680-3400",
            "fax_number": "847-680-3486"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OB-GYNE ASSOCIATES OF LIBERTYVILLE, SC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-05-04",
        "last_updated": "2025-04-21",
        "certification_date": "2025-04-21",
        "status": "A",
        "authorized_official_last_name": "MIDDLETON",
        "authorized_official_first_name": "RANNVEIG",
        "authorized_official_title_or_position": "MD",
        "authorized_official_telephone_number": "847-680-3400",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHEILD",
            "identifier": "04900943",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Nutrition-Preneur LLC
• Sophia Hope Kannenberg O' Bryan, PA-C
• Kara Colleen O'Neill, MS, CCC-SLP
• Oak Grove School District 68
• Oak Spring Medical Group Inc
• OB/Gyne Associates of Lake County, S.C.
• Oluwatomiwa Obadare
• Garrett David Obenauf, DMD
• Jasmina P Oberhaus, DO
• Dawn Oberman, OTR/L

• Obstetrics & Gynecology Physician in Libertyville, IL
• Providers in Libertyville, IL by specialty
• Obstetrics & Gynecology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.