NPIMap

Individual provider Active NPI

Cassandra Alexis Gross, MD

  • Internal Medicine Physician
  • Stanford, CA
National Provider Identifier
1245818517
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A194521 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 30, 2021
Last updated
Sep 2, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A194521 CA Primary
Geriatric Medicine (Internal Medicine) Physician 207RG0300X A194521 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

17 Davis Blvd Ste 308
Tampa, FL 33606-3438
Phone (813) 974-2201

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250324002367 CA Practitioner - Geriatric MedicinePractitioner - Internal Medicine 7315469988 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Geriatric MedicineAlso: Internal Medicine
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A194521CAMDGeriatric Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care CurrentSince Mar 17, 2025 Accepting new patients
Stanford Health Care Internal Medicine Current Accepting new patients
Stanford Health Care CurrentSince Mar 17, 2025 Accepting new patients

Locations

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1617062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1245818517",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "17 Davis Blvd Ste 308",
            "address_purpose": "LOCATION",
            "city": "Tampa",
            "state": "FL",
            "postal_code": "336063438",
            "country_code": "US",
            "telephone_number": "813-974-2201",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROSS",
        "first_name": "CASSANDRA",
        "middle_name": "ALEXIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-30",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A194521",
            "primary": true
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "A194521",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.