Alison Linn Sage, D.O.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

036139049 Issued in IL

Practice address

932 Lake St Ste 300
Oak Park, IL 60301-1204

Phone

(331) 221-1700

Fax

(331) 221-2730

NPI assigned

Jun 3, 2013

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Alison Linn Brown Former name

Electronic endpoints 1

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

Specialty

Family Practice

Education

Midwestern University, Chicago College of Osteopathic Med, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Residential Home Health Home health agency, Lisle, IL, CCN 147568
• Elmhurst Memorial Hospital Hospital, Elmhurst, IL, CCN 140200
• Edward Hospital Hospital, Naperville, IL, CCN 140231
• Loyola University Medical Center Hospital, Maywood, IL, CCN 140276
• Rush Oak Park Hospital Hospital, Oak Park, IL, CCN 140063

Merit-based Incentive Payment System (MIPS)

Final score

84.9 of 100Reported as group

Quality

75.91

Promoting interoperability

99

Improvement activities

40

Cost

74.6

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: asage120090@direct.edward.org

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.

• Endeavor Health Medical Group

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Edward Health Ventures

  • Multi-Specialty Clinic/Center
  • Bolingbrook, IL
  • NPI 1962452912
  Medicare reassignment NPD
• Edward Health Ventures

  • Family Medicine Physician
  • Naperville, IL
  • NPI 1154371185
  NPD
• Endeavor Health Medical Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD

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

• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1427069632
  Care Compare affiliation
• Elmhurst Memorial Hospital

  • General Acute Care Hospital
  • Elmhurst, IL
  • NPI 1548306343
  Care Compare affiliation
• Loyola University Medical Center

  • General Acute Care Hospital
  • Maywood, IL
  • NPI 1376521575
  Care Compare affiliation
• Loyola University Medical Center

  • General Acute Care Hospital
  • Tinley Park, IL
  • NPI 1427752013
  Care Compare affiliation
• Residential Home Health Illinois, LLC

  • Home Health Agency
  • Lisle, IL
  • NPI 1336377365
  Care Compare affiliation
• Rush Oak Park Hospital Inc

  • General Acute Care Hospital
  • Oak Park, IL
  • NPI 1558391706
  Care Compare affiliation

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

{
    "created_epoch": "1370217600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1427495241",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "932 LAKE ST STE 300",
            "city": "OAK PARK",
            "state": "IL",
            "postal_code": "603011204",
            "telephone_number": "331-221-1700",
            "fax_number": "331-221-2730"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAGE",
        "first_name": "ALISON",
        "middle_name": "LINN",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-06-03",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036139049",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "asage120090@direct.edward.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "932 Lake St Ste 300",
            "city": "Oak Park",
            "state": "IL",
            "country_code": "US",
            "postal_code": "603011204",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ALISON",
            "last_name": "BROWN",
            "middle_name": "LINN",
            "credential": "D.O.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Family Medicine Physician in Oak Park, IL
• Providers in Oak Park, IL by specialty
• Family Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 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.