Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Courtney Marissa Williamson, MSN, APRN, CPNP-PC

Individual provider Pediatric Nurse Practitioner · NPI 1609665298

Courtney Marissa Williamson, MSN, APRN, CPNP-PC is a Pediatric Nurse Practitioner in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2025.

Licensed in
PA
In the registry since
2025
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

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Practice location Address checks out

3400 Spruce St
Philadelphia, PA 19104-4238
Phone: (215) 662-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence SP031758 (PA)

Record details

NPI number1609665298
Entity typeIndividual (Type 1)
GenderNot disclosed
Credentials MSN , APRN , CPNP-PC
Sole proprietorNo
NPI enumeratedMay 1, 2025
Last updated in NPPESMay 1, 2025
Certification dateMay 1, 2025

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