Individual provider Active NPI

Christina Ashley Dreffein, AU.D.

  • Audiologist
  • Oak Lawn, IL
National Provider Identifier
1356010342
Registry record updated Nov 29, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
AudiologistTaxonomy code 231H00000X
License
147.001849 Issued in IL
Practice address
4928 W 95TH St
Oak Lawn, IL 60453-2504
Phone
(708) 424-0143
NPI assigned
Sep 13, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 29, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Audiologist-Hearing Aid Fitter 237600000X 147.001849 IL
Audiologist 231H00000X 147.001849 IL Primary

Addresses

Primary practice location

4928 W 95TH St
Oak Lawn, IL 60453-2504

Mailing address

4928 W 95TH St
Oak Lawn, IL 60453-2504
Phone (708) 424-0143

Other names 1

  • Ms. Christina Ashley Dreffein Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, TX2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20211001002095 IL Practitioner - Qualified Audiologist 4284032426 Reassigns benefits to 2 organizations
I20221014000095 TX Practitioner - Qualified Audiologist 4284032426 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Qualified Audiologist
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Midwest ENT Alliance PLLCGroup PAC ID 5294276259, 97 clinicians

Practice addresses (Care Compare)

2604 Dempster St
Suite 501
Park Ridge, IL 60068-8429
Phone (847) 674-5585

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Midwest ENT Alliance PLLC CurrentSince Mar 26, 2025 Accepting new patients
Austin ENT Associates CurrentSince Oct 24, 2022 Accepting new patients
Ear, Nose & Throat Specialists of Illinois LTD Past Accepting new patients
Bastian Voice Institute, LLC PastSince Sep 22, 2003 Accepting new patients

Locations

3010 Highland Pkwy
Ste 550
Downers Grove, IL 60515
Phone (630) 724-1100

2604 Dempster St
Ste 501
Park Ridge, IL 60068
Phone 8476745585111

7200 Wyoming Springs Dr
Ste 1200
Round Rock, TX 78681
Phone (512) 458-6391

7200 Wyoming Springs Dr
Ste 1400
Round Rock, TX 78681
Phone (512) 244-2263

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 5

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": "1631491200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1638144000000",
    "number": "1356010342",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4928 W 95TH ST",
            "city": "OAK LAWN",
            "state": "IL",
            "postal_code": "604532504",
            "telephone_number": "708-424-0143"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4928 W 95TH ST",
            "city": "OAK LAWN",
            "state": "IL",
            "postal_code": "604532504",
            "telephone_number": "708-424-0143"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DREFFEIN",
        "first_name": "CHRISTINA",
        "middle_name": "ASHLEY",
        "name_prefix": "Dr.",
        "credential": "AU.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-13",
        "last_updated": "2021-11-29",
        "certification_date": "2021-11-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237600000X",
            "taxonomy_group": "",
            "desc": "Audiologist-Hearing Aid Fitter",
            "state": "IL",
            "license": "147.001849",
            "primary": false
        },
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "IL",
            "license": "147.001849",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRISTINA",
            "last_name": "DREFFEIN",
            "middle_name": "ASHLEY",
            "prefix": "MS.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Oak Lawn, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 29, 2021; 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.