Guardant Health, Inc.

Primary specialty

Clinical Medical LaboratoryTaxonomy code 291U00000X

License

05D2070300 Issued in CA

Legal business name

GUARDANT HEALTH, INC.

Practice address

505 Penobscot Dr
Redwood City, CA 94063-4737

Phone

(650) 290-7575

NPI assigned

Dec 31, 2013

Organization subpart

No

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

Authorized official

Name

Mike Bell

Title

Cfo

Phone

(855) 698-8887

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, NY2 enrollments

Enrollment records 2

Locations

Subparts reporting this organization as parent 1

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

• Guardant Health Screening Corp

  • Clinical Medical Laboratory
  • Redwood City, CA
  • NPI 1538857099
  NPPES parent name

Practitioners 5

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Florence Lai Loo

  • Anatomic Pathology & Clinical Pathology Physician
  • New York, NY
  • NPI 1508009952
  NPD
• Teresa Bautista Hurtado, CLS/MLT

  • Clinical Medical Laboratory
  • Redwood City, CA
  • NPI 1598388530
  NPD (past)
• Lauren Lawrence

  • Molecular Genetic Pathology (Pathology) Physician
  • Redwood City, CA
  • NPI 1760846604
  NPD (past)
• Martina Lefterova, M.D., PH.D.

  • Clinical Pathology/Laboratory Medicine Physician
  • Stanford, CA
  • NPI 1023496775
  NPD (past)
• Megan Elizabeth McKenna, MS, CGC

  • Genetic Counselor (M.S.)
  • Madison, WI
  • NPI 1891009106
  NPD (past)

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

{
    "created_epoch": "1388448000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760486400000",
    "number": "1184045619",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 PENOBSCOT DR",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "940634737"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PENOBSCOT DR",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "940634737",
            "telephone_number": "650-290-7575"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3002 48th Ave Ste 180",
            "address_purpose": "LOCATION",
            "city": "Long Island City",
            "state": "NY",
            "postal_code": "111013432",
            "country_code": "US",
            "telephone_number": "855-698-8887",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "GUARDANT HEALTH, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2013-12-31",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A",
        "authorized_official_last_name": "BELL",
        "authorized_official_first_name": "MIKE",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "855-698-8887"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "CA",
            "license": "05D2070300",
            "primary": true
        },
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kailin Griffith
• Elizabeth Grishaw
• Lynn Groff
• Yuanzhen Gu
• Guardant Health Screening Corp
• Steven P Guarnaccia, MD
• Abraham Guenther, MFT
• Jennifer Guerrero
• Andrez Lorenzo Guevara
• Louise Wayne Guevarra

• Clinical Medical Laboratory in Redwood City, CA
• Providers in Redwood City, CA by specialty
• Clinical Medical Laboratory in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.