Diligent Medical Care, PLLC

Primary specialty

Addiction Medicine (Internal Medicine) PhysicianTaxonomy code 207RA0401X

Legal business name

DILIGENT MEDICAL CARE, PLLC

Practice address

4038 Gap Rd
Suite 101
Knoxville, TN 37912-5903

Phone

(865) 689-5757

Fax

(865) 689-5755

NPI assigned

Nov 9, 2015

Organization subpart

No

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

Authorized official

Name

Dr. Essam M Aghel, M.D.NPI 1184651481

Title

President

Phone

(865) 689-5757

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in TN

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Practitioners 1

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

• Essam M Aghel, MD

  • Internal Medicine Physician
  • Knoxville, TN
  • NPI 1184651481
  Medicare reassignment Authorized official

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

{
    "created_epoch": "1447027200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1778198400000",
    "number": "1972976256",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4038 GAP RD",
            "address_2": "SUITE 101",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379125903",
            "telephone_number": "865-689-5757",
            "fax_number": "865-689-5755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4038 GAP RD",
            "address_2": "SUITE 101",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379125903",
            "telephone_number": "865-689-5757",
            "fax_number": "865-689-5755"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DILIGENT MEDICAL CARE, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2015-11-09",
        "last_updated": "2026-05-08",
        "certification_date": "2026-05-08",
        "status": "A",
        "authorized_official_last_name": "AGHEL",
        "authorized_official_first_name": "ESSAM",
        "authorized_official_middle_name": "M",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "865-689-5757",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RA0401X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "261QP2300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Primary Care",
            "state": "TN",
            "license": "40298",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Raymond A Dieter III, MD
• Raymond Andrew Dieter IV, MD
• Sierra Dietrich
• Antoinette Difelice
• Dona Ellen Diftler, MSSW, LCSW
• Amanda Dill, NP-C
• Julia Davidson Dill I, BEHAVIORAL HEALTH
• Lexie Lee Dill
• Steven Vaughn Dill, M.D.
• Kaylor Denise Dillman

• Addiction Medicine (Internal Medicine) Physician in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Addiction Medicine (Internal Medicine) Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 2026; 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.