Mark Allen McGrail, M.D.

Primary specialty

Addiction Medicine (Preventive Medicine) PhysicianTaxonomy code 2083A0300X

License

MD30708 Issued in TN

Practice address

2018 Western Ave
Knoxville, TN 37921-5718

Phone

(865) 544-0406

Fax

(865) 544-0480

NPI assigned

Feb 23, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in TN, VA2 enrollments

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.

Enrollment records 2

Specialty

Family PracticeAlso: Preventive Medicine

Education

Uniformed Services Uhs Fe Hebert School of Med, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cherokee Health SystemsGroup PAC ID 3577474295, shared by 22 NPIs, 128 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mark.mcgrail.p1@direct.cherokeehealth.nextgenshare.com

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.

• Cherokee Health Systems

  dba River Valley Health

  • Federally Qualified Health Center (FQHC)
  • Talbott, TN
  • NPI 1134128820

  Family Medicine

  Medicare reassignment NPD
• Recover Together, Inc.

  dba Groups Recover Together

  • Adult Mental Health Clinic/Center
  • London, KY
  • NPI 1346736758

  TN

  Medicare reassignment
• Cherokee Health Systems

  dba River Valley Health

  • Federally Qualified Health Center (FQHC)
  • White Pine, TN
  • NPI 1699666404
  NPD

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

{
    "created_epoch": "1140652800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747699200000",
    "number": "1063488831",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1923 SULPHUR SPRINGS RD",
            "city": "MORRISTOWN",
            "state": "TN",
            "postal_code": "378135654",
            "telephone_number": "423-317-9344",
            "fax_number": "423-714-2355"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2018 WESTERN AVE",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379215718",
            "telephone_number": "865-544-0406",
            "fax_number": "865-544-0480"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "486 Archie Ct",
            "address_purpose": "LOCATION",
            "city": "Clarksville",
            "state": "TN",
            "postal_code": "370432027",
            "country_code": "US",
            "telephone_number": "931-801-5662",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCGRAIL",
        "first_name": "MARK",
        "middle_name": "ALLEN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-23",
        "last_updated": "2025-05-20",
        "certification_date": "2025-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "T8718",
            "primary": false
        },
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "VA",
            "license": "0101276467",
            "primary": false
        },
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "TN",
            "license": "MD30708",
            "primary": false
        },
        {
            "code": "2083A0300X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": "TN",
            "license": "MD30708",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3827523",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christopher McGoldrick, PA-C
• Caitlin Elise McGovern
• Eva Virginia McGowan
• Paul Dorden McGowan Jr., D.D.S.
• Josh McGowen, LMS
• Daniel Harrison McGrath, MD
• Cynthia Lynn McGreevy, MS,OTR
• Robert K McGregor Jr., FNP
• Aftin Forsythe McGrew, OT
• Brianna N McGuffin, LMSW

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.