Individual provider Active NPI

Sivakanthan Kasinathan, MD, PHD

  • Pediatric Rheumatology Physician
  • Palo Alto, CA
National Provider Identifier
1346709649
Registry record updated Aug 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Rheumatology PhysicianTaxonomy code 2080P0216X
License
A179778 Issued in CA
Practice address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone
(650) 497-8000
NPI assigned
Mar 16, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X A179778 CA
Pediatric Rheumatology Physician 2080P0216X A179778 CA Primary

Addresses

Primary practice location

725 Welch Rd
Palo Alto, CA 94304-1601

Mailing address

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

Other practice location 1

700 Welch Rd Ste 301
Palo Alto, CA 94304-1521
Phone (650) 497-8000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250219003557 CA Practitioner - Pediatric Medicine 3577083690 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Nurse Practitioner, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
A179778CAMDPediatric Rheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care CurrentSince Feb 13, 2025 Accepting new patients
Stanford Health Care Pediatrics CurrentSince Jul 1, 2022 Accepting new patients
LPCH Medical Group Div of Lucile Pediatrics CurrentSince Feb 13, 2025 Accepting new patients
Stanford Health Care CurrentSince Feb 13, 2025 Accepting new patients

Locations

700 Welch Rd
Ste 301
Palo Alto, CA 94304
Phone (650) 497-9063

730 Welch Rd
Palo Alto, CA 94304
Phone (650) 723-4800

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

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

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.

NPI Registry JSON

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

{
    "created_epoch": "1552694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1346709649",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "700 Welch Rd Ste 301",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041521",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KASINATHAN",
        "first_name": "SIVAKANTHAN",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-16",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A179778",
            "primary": false
        },
        {
            "code": "2080P0216X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Rheumatology",
            "state": "CA",
            "license": "A179778",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.