Gregory C Marcum, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

19016 Issued in TN

Practice address

130 W Ravine Rd
Kingsport, TN 37660-3810

Phone

(423) 224-4000

NPI assigned

Jun 15, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1150329600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1992749600",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "551 MAIN ST",
            "address_2": "THIRD FLOOR",
            "city": "JOHNSTOWN",
            "state": "PA",
            "postal_code": "159012032",
            "telephone_number": "814-539-5724",
            "fax_number": "814-536-7092"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "130 W RAVINE RD",
            "city": "KINGSPORT",
            "state": "TN",
            "postal_code": "376603810",
            "telephone_number": "423-224-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCUM",
        "first_name": "GREGORY",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-15",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TN",
            "license": "19016",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3034295",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Landon Mance, DO
• Brooke Marie Maness, OTR/L
• Paula Maness, OCCUPATIONAL THERAPI
• John W Mann III, MD
• Colton N Marcum, PHARM. D.
• Mary Catherine Marcum, PHARM. D.
• Marcum'S Pharmacy, Inc
• Marcum'S Pharmacy, Inc
• Madison Emily Markey, PA-C
• Amy L Marlow, MD

• Emergency Medicine Physician in Kingsport, TN
• Providers in Kingsport, TN by specialty
• Emergency Medicine Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.