LONGINOTTI WILLIAMS APRN SERVICES PLLC
NPI 1639765373
Clinic/Center - Primary Care in Little Rock, AR

Q: What is Longinotti Williams Aprn Services PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Active since December 16, 2020

11219 FINANCIAL CENTRE PKWY STE 215, LITTLE ROCK, AR 72211(501) 219-1929(501) 219-0021 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 5, 2022, Sep 21, 2022, Dec 30, 2020 and 2 more (5 updates tracked since 2020).

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About Longinotti Williams Aprn Services Pllc NPPES

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

LONGINOTTI WILLIAMS APRN SERVICES PLLC (NPI 1639765373), doing business as Assurance Health & Wellness Clinic, is a healthcare organization registered as a primary care in Little Rock, Arkansas and active in the NPI registry since December 2020. The organization maintains 2 additional practice locations and lists Sarah M Williams, Owner, as its authorized official.

NPPES Registry Identity

NPI1639765373

Entity TypeOrganization

Primary Taxonomy261QP2300X

Legal Business NameLONGINOTTI WILLIAMS APRN SERVICES PLLC

Location Address11219 FINANCIAL CENTRE PKWY STE 215Little Rock, AR 72211-3867

Mailing Address3858 Freedom CvBenton, AR 72015-9750 · (501) 831-0381

Phone(501) 219-1929

Fax(501) 219-0021

Organization SubpartNo

Authorized OfficialSarah M WilliamsOwner · (501) 219-1929

Enumeration DateDecember 16, 2020

Last NPPES UpdateAugust 27, 20255 updates tracked since enumeration

NPPES CertifiedAugust 27, 2025

✔ NPI 1639765373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities

Taxonomy Code261QP2300X

11219 FINANCIAL CENTRE PKWY STE 215, Little Rock, AR 72211

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Other Names 1

Doing Business AsAssurance Health & Wellness Clinic

Secondary Practice Locations 2

Location 122461 Interstate 30 Ste 402Bryant, AR 72022-2383 · Phone (501) 481-8800

Location 211215 Hermitage Rd Ste 103Little Rock, AR 72211-3863 · Phone (501) 219-1929 · Fax (501) 219-0021

Other Identifiers 3

OtherA003231AR · Arkansas Nursing License

Medicaid176962758AR

Medicaid269027762AR

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Longinotti Williams Aprn Services Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Longinotti Williams Aprn Services PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Sarah Williams, DNP, APRN

Nurse Practitioner

NPI 1326282799

11219 FINANCIAL CENTRE PKWY STE 215
Little Rock, AR 72211

(501) 219-1929

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Longinotti Williams Aprn Services PLLC's NPI number?

The NPI number for Longinotti Williams Aprn Services PLLC is 1639765373. It was assigned to this organization in the NPPES registry on December 16, 2020. The provider is doing business as Assurance Health & Wellness Clinic.

Where is Longinotti Williams Aprn Services PLLC located?

Longinotti Williams Aprn Services PLLC is located at 11219 Financial Centre Pkwy Ste 215, Little Rock, AR 72211. The listed phone number is (501) 219-1929.

What is Longinotti Williams Aprn Services PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Longinotti Williams Aprn Services PLLC enrolled in Medicare?

Yes. Longinotti Williams Aprn Services PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Longinotti Williams Aprn Services PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Longinotti Williams Aprn Services PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Longinotti Williams Aprn Services PLLC was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.