Ari J Epstein, DO

Primary specialty

Sports Medicine (Family Medicine) PhysicianTaxonomy code 207QS0010X

License

036161688 Issued in IL

Practice address

2111 Ogden Ave
Aurora, IL 60504-7597

Phone

(630) 978-3800

Fax

(630) 862-3085

NPI assigned

Mar 21, 2019

Last updated

Jan 22, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 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

Sports MedicineAlso: Family Practice

Education

Midwestern University, Chicago College of Osteopathic Med, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Rush University Medical GroupGroup PAC ID 5496658874, 1,521 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Copley Memorial Hospital Hospital, Aurora, IL, CCN 140029
• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281

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

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ari.epstein.1@18345.direct.athenahealth.com

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.

• Rush University Medical Group

  dba Rush University Internists

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1093819542

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group
• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

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

  Emergency Medicine

  Medicare reassignment NPD
• Northwest Community Health Services Inc

  dba NCH Medical Group

  • Internal Medicine Physician
  • Arlington Heights, IL
  • NPI 1134433154

  Family Medicine

  Medicare reassignment NPD
• Rush Medical Group

  dba Rush Orthopaedics

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1467312850
  Medicare reassignment
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD
• Northwest Community Health Services Inc

  dba NCH Medical Group

  • Obstetrics Physician
  • Arlington Heights, IL
  • NPI 1467057513
  NPD
• Rush University Medical Center

  dba Radiology Services

  • Diagnostic Radiology Physician
  • Chicago, IL
  • NPI 1184269425
  NPD
• Central Dupage Physician Group

  dba Northwestern Medicine Regional Medical Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  NPD (past)
• Central Dupage Physician Group

  dba Northwestern Medicine Regional Medical Group

  • Orthopaedic Surgery Physician
  • Geneva, IL
  • NPI 1780012344
  NPD (past)

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

• Copley Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Aurora, IL
  • NPI 1295882561
  Care Compare affiliation
• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation

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

{
    "created_epoch": "1553126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1952861486",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2000 OGDEN AVE STE P050",
            "city": "AURORA",
            "state": "IL",
            "postal_code": "605047222",
            "telephone_number": "630-978-6200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2111 OGDEN AVE",
            "city": "AURORA",
            "state": "IL",
            "postal_code": "605047597",
            "telephone_number": "630-978-3800",
            "fax_number": "630-862-3085"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "635 N Dearborn St Ste 100",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606544618",
            "country_code": "US",
            "telephone_number": "312-694-2273",
            "fax_number": "312-694-2129",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "519 S Roselle Rd",
            "address_purpose": "LOCATION",
            "city": "Schaumburg",
            "state": "IL",
            "postal_code": "601932925",
            "country_code": "US",
            "telephone_number": "847-985-0600",
            "fax_number": "847-985-3786",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "633 Emerson St",
            "address_purpose": "LOCATION",
            "city": "Evanston",
            "state": "IL",
            "postal_code": "602082925",
            "country_code": "US",
            "telephone_number": "847-491-8100",
            "fax_number": "847-491-5919",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "298 Randall Rd",
            "address_purpose": "LOCATION",
            "city": "Geneva",
            "state": "IL",
            "postal_code": "601344203",
            "country_code": "US",
            "telephone_number": "630-938-3300",
            "fax_number": "630-938-3310",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EPSTEIN",
        "first_name": "ARI",
        "middle_name": "J",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-21",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036161688",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036161688",
            "primary": false
        },
        {
            "code": "207QA0505X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Adult Medicine",
            "state": "IL",
            "license": "036161688",
            "primary": false
        },
        {
            "code": "207QS0010X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Sports Medicine",
            "state": "IL",
            "license": "036161688",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "036161688",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Anabelle Taine Engleson, RDH
• Alexandra Enriquez
• Environmental Health Research Associates LLC (Natural Paths for Lymphatic Wellness)
• Eon Healthcare
• Kelly Erin Epperley, BCBA
• Marlene Erdman, LCSW
• Megan Erhart, LSW
• Stacey Erickson-Zale
• James D Erl, N.P.
• Ernest V Isadore DPM PC (Ernest V Isadore DPM)

• Sports Medicine (Family Medicine) Physician in Aurora, IL
• Providers in Aurora, IL by specialty
• Sports Medicine (Family Medicine) Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 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.