Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Theranos, Inc

Organization Clinical Medical Laboratory · NPI 1548546401

Theranos, Inc is a Clinical Medical Laboratory in Palo Alto, California. Registered with an NPI since 2011.

In the registry since
2011
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1601 S California Ave
Palo Alto, CA 94304-1111
Phone: (650) 838-9292
Fax: (650) 838-9165
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X

Record details

NPI number1548546401
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Elizabeth Holmes — Chief Executive Officer · (650) 838-9292
NPI enumeratedOctober 24, 2011
Last updated in NPPESSeptember 11, 2012
Mailing address1601 S California Ave, Palo Alto, CA 94304-1111

Other providers in Palo Alto