Individual provider Active NPI

Joshua Benjamin Ewen, M.D.

  • Neurodevelopmental Disabilities Physician
  • Chicago, IL
National Provider Identifier
1518013671
Registry record updated Jan 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurodevelopmental Disabilities PhysicianTaxonomy code 2084P0005X
License
036167430 Issued in IL
Practice address
225 E Chicago Ave
Chicago, IL 60611-2991
Phone
(312) 227-6839
NPI assigned
Jan 25, 2007
Last updated
Jan 6, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 6, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Neurodevelopmental Disabilities Physician 2084P0005X 036167430 IL Primary
Pediatrics Physician 208000000X 036167430 IL
Neurology with Special Qualifications in Child Neurology Physician 2084N0402X 036167430 IL
Clinical Neurophysiology Physician 2084N0600X 036167430 IL

Addresses

Primary practice location

225 E Chicago Ave
Chicago, IL 60611-2991

Mailing address

225 E Chicago Ave
Chicago, IL 60611-2991
Phone (312) 227-6839

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036167430ILMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Hospital Inc Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: jewen8846@direct.kennedykrieger.org

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1169683200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767657600000",
    "number": "1518013671",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-6839"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-6839"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EWEN",
        "first_name": "JOSHUA",
        "middle_name": "BENJAMIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-25",
        "last_updated": "2026-01-06",
        "certification_date": "2026-01-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0005X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurodevelopmental Disabilities",
            "state": "IL",
            "license": "036167430",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036167430",
            "primary": false
        },
        {
            "code": "2084N0402X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology",
            "state": "IL",
            "license": "036167430",
            "primary": false
        },
        {
            "code": "2084N0600X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Clinical Neurophysiology",
            "state": "IL",
            "license": "036167430",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.