Individual provider Active NPI

Steven Anthony Koos, MD DDS

  • Anesthesiology Physician
  • Sycamore, IL
National Provider Identifier
1265520340
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
Practice address
1675 Bethany Rd
Ste a
Sycamore, IL 60178
Phone
(815) 895-3000
Fax
(815) 895-0505
NPI assigned
Oct 11, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X IL
Oral and Maxillofacial Surgery (Dentist) 1223S0112X IL
Anesthesiology Physician 207L00000X IL Primary

Addresses

Primary practice location

1675 Bethany Rd
Ste a
Sycamore, IL 60178

Mailing address

1675 Bethany Rd
Ste a
Sycamore, IL 60178
Phone (815) 895-3000

Medicare participation

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
019025933ILMDDentist
021002047ILMDOral and Maxillofacial Surgery (Dentist)
137.000564ILMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Oral and Maxillo Facial Surgeons for Northern Illinois Oral and Maxillofacial Surgery PastSince Aug 11, 2010 Accepting new patients

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1265520340",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1675 BETHANY RD",
            "address_2": "STE A",
            "city": "SYCAMORE",
            "state": "IL",
            "postal_code": "60178",
            "telephone_number": "815-895-3000",
            "fax_number": "815-895-0505"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1675 BETHANY RD",
            "address_2": "STE A",
            "city": "SYCAMORE",
            "state": "IL",
            "postal_code": "60178",
            "telephone_number": "815-895-3000",
            "fax_number": "815-895-0505"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOOS",
        "first_name": "STEVEN",
        "middle_name": "ANTHONY",
        "credential": "MD DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-11",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "IL",
            "license": null,
            "primary": false
        },
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "IL",
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sycamore, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.