Mark L Williamson, IDC

Primary specialty

Independent Duty CorpsmanTaxonomy code 1710I1002X

Practice address

3325 Senn Road
Comdesron One Building 55 Second Floor
San Diego, CA 92136

Phone

(619) 556-5002

Fax

(619) 556-5003

NPI assigned

Mar 8, 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1141776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699743534",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "COMDESRON ONE 3325 SENN ROAD",
            "address_2": "BUILDING 55 SECOND FLOOR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "92136",
            "telephone_number": "619-556-5002",
            "fax_number": "619-556-5003"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3325 SENN ROAD",
            "address_2": "COMDESRON ONE BUILDING 55 SECOND FLOOR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "92136",
            "telephone_number": "619-556-5002",
            "fax_number": "619-556-5003"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "MARK",
        "middle_name": "L",
        "credential": "IDC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-08",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1710I1002X",
            "taxonomy_group": "",
            "desc": "Military Health Care Provider, Independent Duty Corpsman",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Williamson
• Joel Allen Williamson, APCC
• Kayla Cheri Williamson, RN, PHN
• Kelly L Williamson
• Lawrence Terrell Williamson II
• Megan Ariel Williamson, MA
• Rene Lee Williamson, LMFT
• Sara A Williamson, ATC
• Travis Ray Williamson
• Linidia J Willies-Jacobo, M.D.

• Independent Duty Corpsman in San Diego, CA
• Providers in San Diego, CA by specialty
• Independent Duty Corpsman in California

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.