NPPES file of Aug 9, 2026

Gianna Sliby, RD

Registered Dietitian · Williamsburg, VA

Gianna Sliby, RD is a registered dietitian with a practice address in Williamsburg, Virginia, and NPI 1023939147, issued on Jul 23, 2026. Check the license with the Virginia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023939147
Name
Gianna Sliby
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
1311 Jamestown RD Ste 202, Williamsburg, VA 23185
Phone
(757) 401-4024
Enumerated
Jul 23, 2026
Record last updated
Jul 23, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1311 Jamestown RD Ste 202

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Annalucia Bays, PH.D., LCP, CGPCounseling Psychologist1205447935

Verify Gianna Sliby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Registered Dietitian providers in Virginia

There are 1,307 registered dietitian records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,307 in Virginia → Every provider in Williamsburg →

Other registered dietitian records in Virginia

  1. Kathryn Abbott, RDNorfolk, VA1982039699
  2. Intisar Abdel-Alim, RDHenrico, VA1972469518
  3. Kelly Abramson, MS, RDAlexandria, VA1134333826
  4. Anna Adams, RDCharlottesville, VA1508736984
  5. Catherine AdamsBuffalo Junction, VA1215893219
  6. Samantha Adas, RDAlexandria, VA1477100428
  7. Emily Adkisson, RD/RDNRichmond, VA1225781404
  8. Celia Adolphi, R.D.Springfield, VA1194097568
  9. Valerie Agyeman, RDFairfax, VA1548851595
  10. Jennifer Ahmed, MS, RD, CNSCAshburn, VA1306027727

Common questions

What is Gianna Sliby, RD's NPI number?

Gianna Sliby, RD's National Provider Identifier (NPI) is 1023939147, issued on Jul 23, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Gianna Sliby, RD located?

The NPPES record lists a practice address at 1311 Jamestown RD Ste 202, Williamsburg, VA, 23185. Phone: (757) 401-4024. Providers update this record themselves, so call before visiting.

How can I verify Gianna Sliby, RD's license?

Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.