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COURTNEY MARISSA WILLIAMSON MSN, APRN, CPNP-PC
NPI 1609665298
Nurse Practitioner - Pediatrics in Philadelphia, PA

Active since May 01, 2025
3400 SPRUCE ST, PHILADELPHIA, PA 19104(215) 662-4000 Get Directions Write a Review

NPPES record last updated: May 1, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Courtney Marissa Williamson Msn, Aprn, Cpnp-pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COURTNEY MARISSA WILLIAMSON MSN, APRN, CPNP-PC (NPI 1609665298) is an individual pediatrics provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP031758) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1609665298
Entity TypeIndividual
Primary Taxonomy363LP0200X
Provider Legal NameCOURTNEY MARISSA WILLIAMSONCredential: MSN, APRN, CPNP-PC
Location Address3400 SPRUCE STPhiladelphia, PA 19104-4238
Mailing Address3400 Spruce StPhiladelphia, PA 19104-4238
Phone(215) 662-4000
Sole ProprietorNo
Enumeration DateMay 1, 2025
NPPES CertifiedMay 1, 2025
✔ NPI 1609665298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in PA · SP031758
3400 SPRUCE ST, Philadelphia, PA 19104
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH FOGLIA MD
Pediatrics
3400 SPRUCE ST, 8 RAVDIN
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3228
JOEL M STEIN MD
Radiology (Diagnostic Radiology)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3005
PRISCILLA NELSON M.D.
Anesthesiology
3400 SPRUCE ST, 6 DULLES
PHILADELPHIA, PA 19104
Philadelphia County (215) 349-8310
DR. JASON THOMAS ACKRIVO MD
Internal Medicine (Pulmonary Disease)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 614-0871
JEAN-PHILIPPE RICHARD DMD
Student in an Organized Health Care Education/Training Program
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-6176
LEAH M LOPEZ PA-C
Physician Assistant (Medical)
3400 SPRUCE ST, 4 SILVERSTEIN
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-7870
MONIQUE LORRAINE ROBERTS SALAHUB
Anesthesiology (Critical Care Medicine)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-4000
JOANIE M GARRATT MD
Radiology (Diagnostic Radiology)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Courtney Williamson's NPI number?

The NPI number for Courtney Williamson is 1609665298. It was assigned to this individual provider in the NPPES registry on May 1, 2025.

Where is Courtney Williamson located?

Courtney Williamson practices at 3400 Spruce St, Philadelphia, PA 19104. The listed phone number is (215) 662-4000.

What is Courtney Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

When was this NPI record last updated?

The NPPES record for Courtney Williamson was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.