ALISON CALLAHAN – NPI #1770442220
Specialist/Technologist, Other

ALISON CALLAHAN is a technologist located in PALO ALTO, CA. NPPES has assigned the NPI number 1770442220 to ALISON CALLAHAN on January 20, 2026. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 246ZB0600X from the Health Care Provider Taxonomy code set, which is classified as Specialist/Technologist, Other, specializing in Biostatistician

Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ALISON CALLAHAN below.

NPI Profile for
ALISON CALLAHAN

NPI Number
1770442220
Enumeration Date

(about 4 months ago)
Entity Type
Type-1  Individual (Female)
Legal Name
ALISON CALLAHAN
Primary location
3180 PORTER DR
PALO ALTO, CA 94304-1212
Phone: (650) 723-4000 Fax:
Mailing address
3829 OPAL ST
OAKLAND, CA 94609-2624
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
Jan 20, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
246ZB0600X
- Specialist/Technologist, Other / Biostatistician (Primary)

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.