Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Haley F. Castiglione, NP

Individual provider Acute Care Nurse Practitioner · NPI 1528148921

Haley F. Castiglione, NP is a Nurse Practitioner in Los Angeles, California. Qualified in 2001, 25 years ago. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

757 Westwood Plz
Los Angeles, CA 90095-8358
Phone: (310) 825-6301
Fax: (310) 825-7473
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 18656 (CA)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence 18656 (CA)
Nurse Practitioner Taxonomy 363L00000X · Licence 18656 (CA)

Record details

NPI number1528148921
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESOctober 1, 2025
Certification dateOctober 1, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Not indicated

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