OrganizationActive
Personalis, Inc.
NPI 1871998096 · Clinical Medical Laboratory · Menlo Park, CA
Provider details
- NPI number
- 1871998096
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- John West, Ceo(650) 752-1300
- License
- CLF00343226 (CA)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1330 Obrien Dr
Menlo Park, CA 94025-1436
Phone: (650) 752-1300
Fax: (650) 752-1301
Street-level locationGet directions
Mailing address
1330 Obrien Dr
Menlo Park, CA 94025-1436
Registry dates
- Enumerated
- 2014-10-30
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.