NANCY JEAN DUFFY NPI 1811805526

NPI Information

  • NPI: 1811805526
  • Provider Name: NANCY JEAN DUFFY
  • Classification: Psychologist - 103TS0200X
  • Specialization: School
  • Entity Type: Individual
  • Address: 535 RICHARDSON LN
    GLENDORA, CA
    ZIP 91741
  • Phone: (626) 622-0142

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NPI Details

Nancy Jean Duffy is a school psychologist in Glendora, CA. The provider is a psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development Nancy Jean Duffy NPI is 1811805526. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

The provider's business location address is:

535 RICHARDSON LN
GLENDORA, CA
ZIP 91741-903
Phone: (626) 622-0142

The enumeration date for this NPI number is 9/1/2026 and was last updated on 9/1/2026.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1103TS0200XPsychologistSchool2291CALIFORNIAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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