William Lee Mason, MD

Primary specialty

Public Health & General Preventive Medicine PhysicianTaxonomy code 2083P0901X

License

C-4212 Issued in AR

Practice address

Pob 1437 Slot H-61
Arkansas Dept of Health
Little Rock, AR 72203-1437

Phone

(501) 280-4127

Fax

(501) 280-4140

NPI assigned

Dec 26, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1167091200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1104981737",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5209 EDGEWOOD RD",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722075413",
            "telephone_number": "501-663-3902",
            "fax_number": "501-280-4140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "POB 1437 SLOT H-61",
            "address_2": "ARKANSAS DEPT OF HEALTH",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722031437",
            "telephone_number": "501-280-4127",
            "fax_number": "501-280-4140"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON",
        "first_name": "WILLIAM",
        "middle_name": "LEE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-26",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "AR",
            "license": "C-4212",
            "primary": false
        },
        {
            "code": "2083P0901X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Public Health & General Preventive Medicine",
            "state": "AR",
            "license": "C-4212",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Caleb Brett Mason, PA-C
• Charles Farley Mason, M.D.
• Jessica Roxane Mason, RN
• Katherine Mason, APN
• Tonya Renee Mason, CNP
• Megan Masone, MHPP
• Massage Clinic 7
• Christina N Massery, BSN, DNP
• Mary E Massery, OT
• Jackson Lewis Massey

• Public Health & General Preventive Medicine Physician in Little Rock, AR
• Providers in Little Rock, AR by specialty
• Public Health & General Preventive Medicine Physician in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.