John Lynn Jefferies Jr., M.D.

Primary specialty

Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X

License

57888 Issued in TN

Practice address

1211 Union Ave Ste 965
Memphis, TN 38104

Phone

(901) 435-8550

Fax

(901) 516-0933

NPI assigned

May 19, 2006

Last updated

Dec 1, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 9

Addresses

Medicare fee-for-service enrollment

Enrolled in TN

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 1

Specialty

Pediatric MedicineAlso: Cardiovascular Disease (Cardiology)

Education

University of Tennessee, HSC, College of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Wellmont Cardiology ServicesGroup PAC ID 5799970281, 137 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Wellmont Holston Valley Medical Center Hospital, Kingsport, TN, CCN 440017

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: johnjefferies@sccpc.allscriptsdirect.net

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.

• Wellmont Cardiology Services

  • Cardiovascular Disease Physician
  • Kingsport, TN
  • NPI 1376575035
  Medicare reassignment Care Compare group NPD
• Ut Lebonheur Pediatric Specialists, Inc.

  • Pediatrics Physician
  • Memphis, TN
  • NPI 1093024101
  Medicare reassignment
• Daxor Corporation

  • Clinical Medical Laboratory
  • Oak Ridge, TN
  • NPI 1093595910
  NPD
• Sutherland Cardiology Clinic, P.C.

  • Specialist
  • Germantown, TN
  • NPI 1740391804
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Wellmont Health System

  dba Holston Valley Medical Center

  • General Acute Care Hospital
  • Kingsport, TN
  • NPI 1487690400
  Care Compare affiliation

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

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764547200000",
    "number": "1619920469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "P O BOX 1000 DEPT 960",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381480001",
            "telephone_number": "901-763-0200",
            "fax_number": "901-260-1704"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1211 UNION AVE STE 965",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "38104",
            "telephone_number": "901-435-8550",
            "fax_number": "901-516-0933"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2050 Meadowview Pkwy",
            "address_purpose": "LOCATION",
            "city": "Kingsport",
            "state": "TN",
            "postal_code": "376607475",
            "country_code": "US",
            "telephone_number": "423-230-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2033 Meadowview Ln Ste 110",
            "address_purpose": "LOCATION",
            "city": "Kingsport",
            "state": "TN",
            "postal_code": "376607569",
            "country_code": "US",
            "telephone_number": "423-230-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JEFFERIES",
        "first_name": "JOHN",
        "middle_name": "LYNN",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2025-12-01",
        "certification_date": "2025-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MS",
            "license": "26120",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TN",
            "license": "57888",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "OH",
            "license": "35096072",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "OH",
            "license": "35.096072",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "KY",
            "license": "33376",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "TN",
            "license": "57888",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "MN",
            "license": "60245",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "MS",
            "license": "26120",
            "primary": false
        },
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "TN",
            "license": "57888",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• JCM Chiropractic
• Cayce Carol Jeanes, LPC-MHSP, TEMPORARY
• Andrew Jeanfreau
• Jeans Transportation
• Naishia P Jeans, APN
• Adrian Jefferson, M.D.
• Alda Jefferson
• Chastity Jefferson, RBT
• Fannie Jefferson, MA
• Rayven Renee Jefferson

• Advanced Heart Failure and Transplant Cardiology Physician in Memphis, TN
• Providers in Memphis, TN by specialty
• Advanced Heart Failure and Transplant Cardiology Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 1, 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.