DR. LYDIA TIN-WEI TAM MD
NPI 1467193284
Pediatrics - Pediatric Hematology-Oncology in San Francisco, CA

Q: What is Lydia Tam's NPI number?

The NPI number for Lydia Tam is 1467193284. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Q: What is Lydia Tam's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Q: When was this NPI record last updated?

The NPPES record for Lydia Tam was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 05, 2022PECOS Enrolled

550 16TH STREET, 4TH FLOOR BOX 0110, UNIVERSITY OF CALIFORNIA SAN FRANCISCO, SAN FRANCISCO, CA 94158(415) 476-3565 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2025, Apr 5, 2022 (2 updates tracked since 2022).

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About Dr. Lydia Tin-wei Tam Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LYDIA TIN-WEI TAM MD (NPI 1467193284) is an individual pediatric hematology-oncology provider in San Francisco, California, licensed in California (A202041) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467193284

Entity TypeIndividualFemale

Primary Taxonomy2080P0207X

Provider Legal NameDR. LYDIA TIN-WEI TAMCredential: MD

Location Address550 16TH STREET, 4TH FLOOR BOX 0110, UNIVERSITY OF CALIFORNIA SAN FRANCISCOSan Francisco, CA 94158

Mailing Address550 16th Street, 4th Floor Box 0110, Dept Of Pediatrics, Univ Of California San FranciscoSan Francisco, CA 94158 · (415) 476-3565

Phone(415) 476-3565

Sole ProprietorNo

Enumeration DateApril 5, 2022

Last NPPES UpdateJuly 9, 20252 updates tracked since enumeration

NPPES CertifiedJuly 9, 2025

✔ NPI 1467193284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in CA · A202041

Definition

A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

Also ListedPediatricsTaxonomy 208000000X · License 61298437 (WA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

550 16TH STREET, 4TH FLOOR BOX 0110, San Francisco, CA 94158

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Lydia Tin-wei Tam Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lydia Tam's NPI number?

The NPI number for Lydia Tam is 1467193284. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Lydia Tam located?

Lydia Tam practices at 550 16th Street, 4th Floor Box 0110 University Of California San Francisco, San Francisco, CA 94158. The listed phone number is (415) 476-3565.

What is Lydia Tam's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Lydia Tam enrolled in Medicare?

Yes. Lydia Tam is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lydia Tam was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.