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DR. STACY DUFFY PSY.D.
NPI 1013167022
Psychologist - Clinical in Palo Alto, CA

Active since September 26, 2008
555 MIDDLEFIELD RD # 210, PALO ALTO, CA 94301(650) 485-3812 Get Directions Write a Review

NPPES record last updated: April 14, 2017. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Stacy Duffy Psy.d. NPPES

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

DR. STACY DUFFY PSY.D. (NPI 1013167022) is an individual clinical provider in Palo Alto, California, licensed in California (PSY26067) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1013167022
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. STACY DUFFYCredential: PSY.D.
Location Address555 MIDDLEFIELD RD # 210Palo Alto, CA 94301-2124
Mailing Address235 Westlake Ctr # 156Daly City, CA 94015-1430 · (650) 485-3812
Phone(650) 485-3812
Sole ProprietorYes
Enumeration DateSeptember 26, 2008
Last NPPES UpdateApril 14, 2017
✔ NPI 1013167022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY26067
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
555 MIDDLEFIELD RD # 210, Palo Alto, CA 94301
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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 Stacy Duffy's NPI number?

The NPI number for Stacy Duffy is 1013167022. It was assigned to this individual provider in the NPPES registry on September 26, 2008.

Where is Stacy Duffy located?

Stacy Duffy practices at 555 Middlefield Rd # 210, Palo Alto, CA 94301. The listed phone number is (650) 485-3812.

What is Stacy Duffy's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Stacy Duffy was last updated on April 14, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.