Andrea K Maas, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

31083 Issued in SC

Practice address

6439 Garners Ferry Rd
WJB Dorn VA Medical Center
Columbia, SC 29209

Phone

(803) 776-4000

NPI assigned

Oct 11, 2006

Sex

Female

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 2

Other names 1

• Andrea K Johnston Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Department of Internal Medicine

  • Internal Medicine Physician
  • Columbia, SC
  • NPI 1144258922
  NPD (past)

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1679661813",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "418 SPRING LAKE RD",
            "city": "COLUMBIA",
            "state": "SC",
            "postal_code": "292062109"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6439 GARNERS FERRY RD",
            "address_2": "WJB DORN VA MEDICAL CENTER",
            "city": "COLUMBIA",
            "state": "SC",
            "postal_code": "29209",
            "telephone_number": "803-776-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAAS",
        "first_name": "ANDREA",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-11",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "SC",
            "license": "31083",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "SC",
            "license": "31083",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SC",
            "license": "31083",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "KY",
            "license": "39217",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "310835",
            "state": "SC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "31083",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ANDREA",
            "last_name": "JOHNSTON",
            "middle_name": "K",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• William Franklin Lytle Jr., M.D.
• M.a.P. II Transport LLC
• M.E. Contracting
• M3 Ventures, LLC (Ellie Mental Health)
• James Ma, OTR/L
• Emmet Maas, MD
• Lauren Michele Maas, D.M.D.
• Matthew Maccarthy
• Hailey Macdermott, RBT
• Madelyn Macdonald

• Pulmonary Disease Physician in Columbia, SC
• Providers in Columbia, SC by specialty
• Pulmonary Disease Physician in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.