Diagnostic Testing Services, LLC

Primary specialty

Sleep Disorder Diagnostic Clinic/CenterTaxonomy code 261QS1200X

Legal business name

DIAGNOSTIC TESTING SERVICES, LLC

Practice address

7155 Lee Hwy
Suite 400
Chattanooga, TN 37421-0800

Phone

(423) 499-2637

Fax

(423) 499-2636

NPI assigned

Mar 14, 2006

Organization subpart

No

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

Authorized official

Name

David R Baxter

Title

President

Phone

(931) 375-1775

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in TN

Enrollment records 1

Locations

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Mohammad A Alsoub, MD

  • Pulmonary Disease Physician
  • Dickson, TN
  • NPI 1063407534
  NPD
• Shaun C Corbin, MD

  • Otolaryngology Physician
  • Columbia, TN
  • NPI 1669421814
  NPD
• Tareck A Kadrie, MD

  • Neurology Physician
  • Chattanooga, TN
  • NPI 1700814191
  NPD

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

{
    "created_epoch": "1142294400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780444800000",
    "number": "1528036621",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7155 LEE HWY STE 400",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374210803",
            "telephone_number": "423-499-2637",
            "fax_number": "423-499-2636"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7155 LEE HWY",
            "address_2": "SUITE 400",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374210800",
            "telephone_number": "423-499-2637",
            "fax_number": "423-499-2636"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DIAGNOSTIC TESTING SERVICES, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-03-14",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A",
        "authorized_official_last_name": "BAXTER",
        "authorized_official_first_name": "DAVID",
        "authorized_official_middle_name": "R",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "931-375-1775"
    },
    "taxonomies": [
        {
            "code": "261QS1200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Sleep Disorder Diagnostic",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3790940",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Sleep Disorder Diagnostic Clinic/Center in Chattanooga, TN
• Providers in Chattanooga, TN by specialty
• Sleep Disorder Diagnostic Clinic/Center in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.