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Joanna Stephanie Portillo

Family Nurse Practitioner in Boonsboro, MD · enumerated 2024.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1184473696

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Registry record

Entity type Individual (Type 1)
Name Joanna Stephanie Portillo
Sex Female
Practice address 9 Saint Paul St Ste 3, Boonsboro, MD, 21713
Phone (301) 432-6897
Enumeration date May 16, 2024
Last updated in NPPES Jul 22, 2024

Taxonomy & licenses

163WM0705X Medical-Surgical Registered Nurse Nursing Service Providers · License R233531 (MD) Secondary
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R233531 (MD) 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.

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Frequently asked questions

What is the NPI number for Joanna Portillo?
The National Provider Identifier (NPI) for Joanna Portillo is 1184473696, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joanna Portillo practice?
The practice location on file with NPPES is in Boonsboro, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-22.