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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

GIANNA SLIBY RD
NPI 1023939147
Dietitian, Registered in Williamsburg, VA

Active since July 23, 2026
1311 JAMESTOWN RD STE 202, WILLIAMSBURG, VA 23185(757) 401-4024 Get Directions Write a Review

NPPES record added: July 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gianna Sliby Rd NPPES

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

GIANNA SLIBY RD (NPI 1023939147) is an individual dietitian, registered in Williamsburg, Virginia and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1023939147
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameGIANNA SLIBYCredential: RD
Location Address1311 JAMESTOWN RD STE 202Williamsburg, VA 23185-3391
Mailing Address1311 Jamestown Rd Ste 202Williamsburg, VA 23185-3391
Phone(757) 401-4024
Sole ProprietorNo
Enumeration DateJuly 23, 2026
NPPES CertifiedJuly 23, 2026
✔ NPI 1023939147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
1311 JAMESTOWN RD STE 202, Williamsburg, VA 23185
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Other Providers at the Same Location NPPES 3

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

DR. ANNALUCIA BAYS PH.D., LCP, CGP
Psychologist (Counseling)
1311 JAMESTOWN RD STE 202
WILLIAMSBURG, VA 23185
York County (757) 899-4804
ANNALUCIA BAYS, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
1311 JAMESTOWN RD STE 202
WILLIAMSBURG, VA 23185
York County (757) 899-4804
SM NUTRITION, LLC
Dietitian, Registered (Nutrition, Sports Dietetics)
1311 JAMESTOWN RD STE 202
WILLIAMSBURG, VA 23185
York County (757) 401-4024

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 Gianna Sliby's NPI number?

The NPI number for Gianna Sliby is 1023939147. It was assigned to this individual provider in the NPPES registry on July 23, 2026.

Where is Gianna Sliby located?

Gianna Sliby practices at 1311 Jamestown Rd Ste 202, Williamsburg, VA 23185. The listed phone number is (757) 401-4024.

What is Gianna Sliby's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

When was this NPI record last updated?

The NPPES record for Gianna Sliby was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.