Individual provider Active NPI

Sam Li-Hsien Tsai, MD

  • Pediatric Cardiology Physician
  • Palo Alto, CA
National Provider Identifier
1104575414
Registry record updated Aug 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
A201042 Issued in CA
Practice address
750 Welch Rd Ste 305
Palo Alto, CA 94304-1510
Phone
(650) 497-8000
NPI assigned
Mar 22, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Cardiology Physician 2080P0202X A201042 CA Primary
Student in an Organized Health Care Education/Training Program 390200000X WA
Pediatrics Physician 208000000X MD.MD.61289622 WA

Addresses

Primary practice location

750 Welch Rd Ste 305
Palo Alto, CA 94304-1510

Mailing address

750 Welch Rd Ste 305
Palo Alto, CA 94304-1510
Phone (650) 497-8000

Other names 1

  • Sam L Tsai Professional name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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
I20220413002495 WA Order and Referring Only - Pediatric MedicinePractitioner - Pediatric Medicine 8820484199

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD.MD.61289622WAMDPediatrics Physician

NPI Registry JSON

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

{
    "created_epoch": "1647907200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1104575414",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "750 WELCH RD STE 305",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041510",
            "telephone_number": "650-497-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 WELCH RD STE 305",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041510",
            "telephone_number": "650-497-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "SAM",
        "middle_name": "LI-HSIEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-22",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "CA",
            "license": "A201042",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "WA",
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WA",
            "license": "MD.MD.61289622",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SAM",
            "last_name": "TSAI",
            "middle_name": "L",
            "credential": "MD",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.