James David Polk, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

L2558 Issued in TX

Practice address

Johnson Space Center- Nasa Flight Medicine Clinic
2101 Nasa Road 1
Houston, TX 77058

Phone

(281) 483-6063

NPI assigned

Jan 6, 2006

Last updated

Sep 11, 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 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

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

{
    "created_epoch": "1136505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1194703447",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "711 RED OAK LN",
            "city": "FRIENDSWOOD",
            "state": "TX",
            "postal_code": "775463591"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "JOHNSON SPACE CENTER- NASA FLIGHT MEDICINE CLINIC",
            "address_2": "2101 NASA ROAD 1",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "77058",
            "telephone_number": "281-483-6063"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POLK",
        "first_name": "JAMES",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-06",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "L2558",
            "primary": true
        },
        {
            "code": "2083A0100X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Aerospace Medicine",
            "state": "TX",
            "license": "L2558",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0995179",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Polished Speech, PLLC
• Sara Polito, M.D.
• Nicola Riccardo Polizzotto, M.D.
• Laila Polk-Johnson
• Christopher Polk
• Kasey Ann Polk, LPC
• Maria Gwendoline Polk, RN MSN GNP-BC
• Mia Polk, NP
• Robert Troy Polk, MSN, PMHNP
• Sherri Polk

• Emergency Medicine Physician in Houston, TX
• Providers in Houston, TX by specialty
• Emergency Medicine Physician in Texas

• 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.