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ALISON CALLAHAN
NPI 1770442220
Specialist/Technologist, Other - Biostatistician in Palo Alto, CA

Active since January 20, 2026
3180 PORTER DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Alison Callahan NPPES

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

ALISON CALLAHAN (NPI 1770442220) is an individual biostatistician provider in Palo Alto, California and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1770442220
Entity TypeIndividualFemale
Primary Taxonomy246ZB0600X
Provider Legal NameALISON CALLAHAN
Location Address3180 PORTER DRPalo Alto, CA 94304-1212
Mailing Address3829 Opal StOakland, CA 94609-2624
Phone(650) 723-4000
Sole ProprietorNo
Enumeration DateJanuary 20, 2026
NPPES CertifiedJanuary 20, 2026
✔ NPI 1770442220 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist/Technologist, Other · BiostatisticianTechnologists, Technicians & Other Technical Service Providers
Taxonomy Code246ZB0600X
3180 PORTER DR, Palo Alto, CA 94304
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Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANNESA FLENTJE PHD
Psychologist (Clinical)
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (650) 497-8003
YINGJIE WENG
Specialist/Technologist, Other (Biostatistician)
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (410) 662-2190
DR. NIGAM H. SHAH
Specialist/Technologist, Other (Biostatistician)
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (650) 725-6236
BRYAN J BUNNING MS
Health Educator
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (650) 725-1946
DR. FATEME NATEGHI HAREDASHT
Specialist (Research Study)
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (408) 206-1251
DR. ALAN HOWARD COHEN M.D.
Pediatrics (Pediatric Pulmonology)
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (650) 496-2702
MRS. JESSICA ELIZABETH HOPE RN, MSN, WHNP
Nurse Practitioner (Women's Health)
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (650) 400-8989
DR. ARTEM A TROTSYUK
Specialist/Technologist, Other (Biostatistician)
3180 PORTER DR
PALO ALTO, CA 94304
Santa Clara County (650) 725-3989

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 Alison Callahan's NPI number?

The NPI number for Alison Callahan is 1770442220. It was assigned to this individual provider in the NPPES registry on January 20, 2026.

Where is Alison Callahan located?

Alison Callahan practices at 3180 Porter Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Alison Callahan's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, Other, specializing in Biostatistician, with taxonomy code 246ZB0600X.

When was this NPI record last updated?

The NPPES record for Alison Callahan was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.