Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MRS. BLAIR JILLIAN WILLIAMS FNP-BC
NPI 1316866593
Nurse Practitioner - Primary Care in Wilmington, DE

Active since July 13, 2026
3411 SILVERSIDE RD STE 100, WILMINGTON, DE 19810(302) 543-5454 Get Directions Write a Review

NPPES record added: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 31, 2026, Jul 13, 2026 (2 updates tracked since 2026).

About Mrs. Blair Jillian Williams Fnp-bc NPPES

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

MRS. BLAIR JILLIAN WILLIAMS FNP-BC (NPI 1316866593) is an individual primary care provider in Wilmington, Delaware, licensed in Delaware (LG-0014015) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1316866593
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameMRS. BLAIR JILLIAN WILLIAMSCredential: FNP-BC
Location Address3411 SILVERSIDE RD STE 100Wilmington, DE 19810-4811
Mailing Address7324 Alexandra DrNewark, DE 19702-8145 · (215) 872-1285
Sole ProprietorNo
Enumeration DateJuly 13, 2026
Last NPPES UpdateJuly 31, 20262 updates tracked since enumeration
NPPES CertifiedJuly 31, 2026
NPI 1316866593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License Licensed in DE · LG-0014015
3411 SILVERSIDE RD STE 100, Wilmington, DE 19810

Other Providers at the Same Location NPPES 7

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

Physician Assistant
3411 SILVERSIDE RD STE 100
WILMINGTON, DE 19810
Nurse Practitioner (Family)
3411 SILVERSIDE RD STE 100
WILMINGTON, DE 19810
Physician Assistant
3411 SILVERSIDE RD STE 100
WILMINGTON, DE 19810
Internal Medicine
3411 SILVERSIDE RD STE 100
WILMINGTON, DE 19810
Physician Assistant
3411 SILVERSIDE RD STE 100
WILMINGTON, DE 19810
Nurse Practitioner
3411 SILVERSIDE RD STE 100
WILMINGTON, DE 19810
Nurse Practitioner
3411 SILVERSIDE RD STE 100
WILMINGTON, DE 19810

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 Blair Williams's NPI number?

The NPI number for Blair Williams is 1316866593. It was assigned to this individual provider in the NPPES registry on July 13, 2026.

Where is Blair Williams located?

Blair Williams practices at 3411 Silverside Rd Ste 100, Wilmington, DE 19810. The listed phone number is (302) 543-5454.

What is Blair Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

When was this NPI record last updated?

The NPPES record for Blair Williams was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.