Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. MARIKA ERIN WILLIAMS NNP-BC, APRN-CNP
NPI 1477307478
Nurse Practitioner - Neonatal in Dallas, TX

Active since April 16, 2024
5200 HARRY HINES BLVD, DALLAS, TX 75235(214) 590-8000 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 29, 2026, Mar 23, 2026, Jan 8, 2026 and 1 more (4 updates tracked since 2024).

About Ms. Marika Erin Williams Nnp-bc, Aprn-cnp NPPES

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

MS. MARIKA ERIN WILLIAMS NNP-BC, APRN-CNP (NPI 1477307478) is an individual neonatal provider in Dallas, Texas, licensed in Texas (1192315) and active in the NPI registry since April 2024.

NPPES Registry Identity

NPI1477307478
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameMS. MARIKA ERIN WILLIAMSCredential: NNP-BC, APRN-CNP
Location Address5200 HARRY HINES BLVDDallas, TX 75235-7709
Mailing Address7207 Mohawk Dr Unit 307Dallas, TX 75235-4381 · (425) 466-9163
Sole ProprietorNo
Enumeration DateApril 16, 2024
Last NPPES UpdateSeptember 29, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1477307478 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
License✔ Licensed in TX · 1192315
Also ListedRegistered NurseTaxonomy 163W00000X · License RN98181 (NV)
5200 HARRY HINES BLVD, Dallas, TX 75235

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.

Urology
5200 HARRY HINES BLVD
DALLAS, TX 75235
Nurse Anesthetist, Certified Registered
5200 HARRY HINES BLVD
DALLAS, TX 75235
Internal Medicine (Cardiovascular Disease)
5200 HARRY HINES BLVD
DALLAS, TX 75235
Anesthesiology
5200 HARRY HINES BLVD
DALLAS, TX 75235
Internal Medicine (Medical Oncology)
5200 HARRY HINES BLVD
DALLAS, TX 75235
Anesthesiology
5200 HARRY HINES BLVD
DALLAS, TX 75235
Surgery
5200 HARRY HINES BLVD
DALLAS, TX 75235
Nurse Practitioner (Family)
5200 HARRY HINES BLVD
DALLAS, TX 75235

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 Marika Williams's NPI number?

The NPI number for Marika Williams is 1477307478. It was assigned to this individual provider in the NPPES registry on April 16, 2024.

Where is Marika Williams located?

Marika Williams practices at 5200 Harry Hines Blvd, Dallas, TX 75235. The listed phone number is (214) 590-8000.

What is Marika Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

When was this NPI record last updated?

The NPPES record for Marika Williams was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.