Individual provider Active NPI

Lydia Tin-Wei Tam, MD

  • Pediatric Hematology & Oncology Physician
  • San Francisco, CA
National Provider Identifier
1467193284
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X
License
A202041 Issued in CA
Practice address
550 16TH Street, 4TH Floor Box 0110
University of California San Francisco
San Francisco, CA 94158
Phone
(415) 476-3565
NPI assigned
Apr 5, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 61298437 WA
Student in an Organized Health Care Education/Training Program 390200000X
Pediatric Hematology & Oncology Physician 2080P0207X A202041 CA Primary

Addresses

Primary practice location

550 16TH Street, 4TH Floor Box 0110
University of California San Francisco
San Francisco, CA 94158

Mailing address

550 16TH Street, 4TH Floor Box 0110
Dept of Pediatrics, Univ of California San Francisco
San Francisco, CA 94158
Phone (415) 476-3565

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, CA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220506001250 WA Order and Referring Only - Pediatric MedicinePractitioner - Pediatric Medicine 7012394356
I20250813001497 CA Order and Referring Only - Pediatric MedicinePractitioner - Pediatric Medicine 7012394356

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
61298437WAMDPediatrics Physician
A202041CAMDPediatric Hematology & Oncology Physician

NPI Registry JSON

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1467193284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 16TH STREET, 4TH FLOOR BOX 0110",
            "address_2": "DEPT OF PEDIATRICS, UNIV OF CALIFORNIA SAN FRANCISCO",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94158",
            "telephone_number": "415-476-3565"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 16TH STREET, 4TH FLOOR BOX 0110",
            "address_2": "UNIVERSITY OF CALIFORNIA SAN FRANCISCO",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94158",
            "telephone_number": "415-476-3565"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAM",
        "first_name": "LYDIA",
        "middle_name": "TIN-WEI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-05",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WA",
            "license": "61298437",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "CA",
            "license": "A202041",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.