Gordon Charles Siek, PHD

Primary specialty

Clinical Laboratory Director (Non-physician)Taxonomy code 247ZC0005X

Practice address

11 Clarendon Rd
Belmont, MA 02478-3719

Phone

(857) 523-0154

NPI assigned

Jun 18, 2020

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

Credentials

Doctor of Philosophy

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

{
    "created_epoch": "1592438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1730705476",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11 CLARENDON RD",
            "city": "BELMONT",
            "state": "MA",
            "postal_code": "024781723",
            "telephone_number": "857-523-0154"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11 CLARENDON RD",
            "city": "BELMONT",
            "state": "MA",
            "postal_code": "024783719",
            "telephone_number": "857-523-0154"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEK",
        "first_name": "GORDON",
        "middle_name": "CHARLES",
        "name_prefix": "Mr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-06-18",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "247ZC0005X",
            "taxonomy_group": "",
            "desc": "Technician, Pathology, Clinical Laboratory Director, Non-physician",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shorx Inc
• Yogesh Shridhare, LMT
• Arthur J Siegel, MD
• Hudie B. Siegel, MD
• Nicole Lynne Siegel, MA
• Peter J Siekmeier, M.D.
• Lucyara Antonucci Silva, PHARMD, RPH
• Alexandra Lee Silverman
• Mary Lou Silverman, LICSW
• Simon Selwyn LLC

• Clinical Laboratory Director (Non-physician) in Belmont, MA
• Providers in Belmont, MA by specialty
• Clinical Laboratory Director (Non-physician) in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 3, 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.