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WILLIAM ALEXANDER GREER
NPI 1871447904
Nurse Practitioner in Southlake, TX

Active since February 25, 2026
431 E STATE HIGHWAY 114 STE 120, SOUTHLAKE, TX 76092(682) 651-8181 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Alexander Greer NPPES

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

WILLIAM ALEXANDER GREER (NPI 1871447904) is an individual nurse practitioner in Southlake, Texas, licensed in Texas (1177094) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1871447904
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameWILLIAM ALEXANDER GREER
Location Address431 E STATE HIGHWAY 114 STE 120Southlake, TX 76092-4416
Mailing Address431 E State Highway 114 Ste 120Southlake, TX 76092-4416
Phone(682) 651-8181
Sole ProprietorNo
Enumeration DateFebruary 25, 2026
NPPES CertifiedFebruary 25, 2026
✔ NPI 1871447904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in TX · 1177094
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
431 E STATE HIGHWAY 114 STE 120, Southlake, TX 76092
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Other Providers at the Same Location NPPES 5

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

NOBLE PAIN MANAGEMENT AND SPORTS MEDICINE PLLC
Pain Medicine (Interventional Pain Medicine)
431 E STATE HIGHWAY 114 STE 120
SOUTHLAKE, TX 76092
Tarrant County (817) 518-1112
MARY INGEBORG KVINTA PA-C
Physician Assistant
431 E STATE HIGHWAY 114 STE 120
SOUTHLAKE, TX 76092
Tarrant County (682) 651-8181
RURAL INTERVENTIONAL PAIN PROVIDERS PLLC
Pain Medicine (Interventional Pain Medicine)
431 E STATE HIGHWAY 114 STE 120
SOUTHLAKE, TX 76092
Tarrant County (817) 518-1112
CHAD B STEPHENS DO
Pain Medicine (Interventional Pain Medicine)
431 E STATE HIGHWAY 114 STE 120
SOUTHLAKE, TX 76092
Tarrant County (817) 518-1112
DR. DAVID SCOTT BROWN M.D.
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
431 E STATE HIGHWAY 114 STE 120
SOUTHLAKE, TX 76092
Tarrant County (800) 682-4220

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 William Greer's NPI number?

The NPI number for William Greer is 1871447904. It was assigned to this individual provider in the NPPES registry on February 25, 2026.

Where is William Greer located?

William Greer practices at 431 E State Highway 114 Ste 120, Southlake, TX 76092. The listed phone number is (682) 651-8181.

What is William Greer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for William Greer was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.