Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SAMANTHA WILLIAMS
NPI 1215612932
Specialist/Technologist, Pathology in San Bruno, CA

Active since June 20, 2023
462 SAN MATEO AVE STE B, SAN BRUNO, CA 94066(415) 469-4988 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 12, 2026, Jun 20, 2023 (2 updates tracked since 2023).

About Samantha Williams NPPES

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

SAMANTHA WILLIAMS (NPI 1215612932) is an individual specialist/technologist, pathology provider in San Bruno, California and active in the NPI registry since June 2023. She maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1215612932
Entity TypeIndividualFemale
Primary Taxonomy246Q00000X
Provider Legal NameSAMANTHA WILLIAMS
Location Address462 SAN MATEO AVE STE BSan Bruno, CA 94066-4437
Mailing Address920 Broderick StSan Francisco, CA 94115-4420
Sole ProprietorNo
Enumeration DateJune 20, 2023
Last NPPES UpdateAugust 12, 20262 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
NPI 1215612932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialist/Technologist, PathologyTechnologists, Technicians & Other Technical Service Providers
Taxonomy Code246Q00000X
Definition
(1) An individual educated and trained in clinical chemistry, microbiology or other biological sciences; and in gathering data on the blood, tissues, and fluids in the human body. Tests and procedures performed or supervised center on major areas of hematology, microbiology, immunohematology, immunology, clinical chemistry and urinalysis. Education and certification requires the equivalent of an associate degree and alternative combinations of accredited training and experience. (2) A specially trained individual who works under the direction of a pathologist, other physician, or scientist, and performs specialized chemical, microscopic, and bacteriological tests of human blood, tissue, and fluids. Also known as medical technologists, they perform and supervise tests and procedures in clinical chemistry, immunology, serology, bacteriology, hematology, parasitology, mycology, urinalysis, and blood banking. The work requires the correlation of test results with other data, interpretation of test findings, and exercise of independent judgment. The minimum educational requirement (for one of several certification programs in medical technology) is a baccalaureate degree with appropriate science course requirements, plus a twelve-month, structured, AMA approved medical technology program and an examination; or a baccalaureate degree with appropriate science course requirements and experience.
462 SAN MATEO AVE STE B, San Bruno, CA 94066

Secondary Practice Location 1

Location 13045 Santiago StSan Francisco, CA 94116-1526 · Phone (415) 241-6000

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 Samantha Williams's NPI number?

The NPI number for Samantha Williams is 1215612932. It was assigned to this individual provider in the NPPES registry on June 20, 2023.

Where is Samantha Williams located?

Samantha Williams practices at 462 San Mateo Ave Ste B, San Bruno, CA 94066. The listed phone number is (415) 469-4988.

What is Samantha Williams's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, Pathology with taxonomy code 246Q00000X.

When was this NPI record last updated?

The NPPES record for Samantha Williams was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.