National Provider Identifier Database

ALISON CALLAHAN
Biostatistician

Deactivation Date: 3/31/2023


Contact Information

ALISON CALLAHAN
3180 PORTER DR
PALO ALTO, CA94304-1212
Phone: 650-723-4000
Fax:
Website:
Specialty Taxonomy Code
* Biostatistician 246ZB0600X

* Indicates primary specialty

NPI Profile & details for ALISON CALLAHAN

NPI Number 1770442220
Credentials
Entity Individual
Enumeration date 01/20/2026
Last updated 01/20/2026 - About 5 months ago
Sole proprietor1 No
Identifiers n/a
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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