Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexandra Rachel Castillo
Nurse Practitioner in Hollywood, FL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639797426
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Registry record
Entity type Individual (Type 1)
Name Alexandra Rachel Castillo
Sex Female
Practice address 3700 Washington St Ste A, Hollywood, FL, 33021
Phone (954) 989-4700
Enumeration date Jul 8, 2020
Last updated in NPPES Jul 20, 2022
Taxonomy & licenses
363LP2300X Primary Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN11009457 (FL) Secondary
163WM0705X Medical-Surgical Registered Nurse Nursing Service Providers · License RN9435328 (FL) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License ARPN11009457 (FL) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Alexandra Castillo?
The National Provider Identifier (NPI) for Alexandra Castillo is 1639797426, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexandra Castillo practice?
The practice location on file with NPPES is in Hollywood, FL. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-20.