NPIMap

Individual provider Active NPI

Spyridon Karadimas, MD

  • Neurological Surgery Physician
  • Stanford, CA
National Provider Identifier
1972388924
Registry record updated Dec 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
A202967 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Aug 29, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 9, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neuroradiology Physician 2085N0700X A202967 CA
Neurological Surgery Physician 207T00000X A202967 CA Primary

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

453 Quarry Rd
Palo Alto, CA 94304-1419
Phone (713) 486-8000

Other practice location 2

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

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
I20251017002334 CA Practitioner - Neurosurgery 9032642921 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Laminectomy or laminotomy (partial removal of spine bones)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A202967CAMDNeuroradiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care CurrentSince Oct 2, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Oct 2, 2025 Accepting new patients
Stanford Health Care Neurological Surgery Current Accepting new patients
Stanford Health Care CurrentSince Oct 2, 2025 Accepting new patients

Locations

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

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

Interoperability endpoints

  • Direct secure messaging: skaradimas552152@direct.stanfordhealthcare.org

Organizations & group practices 4

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

Hospital & facility affiliations 7

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": "1693267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1972388924",
    "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": "453 Quarry Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041419",
            "country_code": "US",
            "telephone_number": "713-486-8000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KARADIMAS",
        "first_name": "SPYRIDON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-08-29",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "CA",
            "license": "A202967",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "CA",
            "license": "A202967",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.