Provider Profile
Nancy J. Duffy
Unclaimed ProfileAbout Nancy Duffy
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (626) 622-0142
- Email not available
Practice Locations
535 RICHARDSON LN
Glendora, CA 91741
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Common questions
What does Nancy J. Duffy specialize in?
Nancy J. Duffy is a psychologist in Glendora, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Nancy J. Duffy located?
Nancy J. Duffy is listed at 535 Richardson Ln, Glendora, CA 91741. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nancy J. Duffy's phone number?
The number on file is (626) 622-0142. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Nancy J. Duffy's NPI number?
Nancy J. Duffy's National Provider Identifier is 1811805526. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Has Nancy J. Duffy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Nancy J. Duffy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.