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

ALESSANDRA WILLIAMSON ARNP
NPI 1831511955
Nurse Practitioner - Family in Stuart, FL

Active since January 08, 2014
900 SE OCEAN BLVD STE 334, STUART, FL 34994(772) 220-8884 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Alessandra Williamson Arnp NPPES

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

ALESSANDRA WILLIAMSON ARNP (NPI 1831511955) is an individual family provider in Stuart, Florida, licensed in Florida (ARNP9364669) and active in the NPI registry since January 2014. She maintains a secondary practice location in Port St Lucie.

NPPES Registry Identity

NPI1831511955
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALESSANDRA WILLIAMSONCredential: ARNP
Location Address900 SE OCEAN BLVD STE 334Stuart, FL 34994-3502
Mailing AddressPo Box 69Jupiter, FL 33468-0069 · (561) 932-0995 · Fax (561) 932-0997
Phone(772) 220-8884
Sole ProprietorNo
Enumeration DateJanuary 8, 2014
Last NPPES UpdateSeptember 18, 2026
NPPES CertifiedSeptember 18, 2026
✔ NPI 1831511955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in FL · ARNP9364669
900 SE OCEAN BLVD STE 334, Stuart, FL 34994
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Secondary Practice Location 1

Location 1672 SW Prima Vista Blvd, Suite 102Port St Lucie, FL 34983-1820 · Phone (772) 905-2560 · Fax (772) 336-8341

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%182 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Alessandra Williamson's NPI number?

The NPI number for Alessandra Williamson is 1831511955. It was assigned to this individual provider in the NPPES registry on January 8, 2014.

Where is Alessandra Williamson located?

Alessandra Williamson practices at 900 SE Ocean Blvd Ste 334, Stuart, FL 34994. The listed phone number is (772) 220-8884.

What is Alessandra Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Alessandra Williamson was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.