What is Sandra Williams's NPI number?

Sandra Williams's National Provider Identifier (NPI) is 1003783275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sandra Williams's specialty?

Sandra Williams is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Sandra Williams located?

Sandra Williams's practice location on file with NPPES is 3724 Jefferson St Ste 104, Austin, TX 78731-6204.

What is Sandra Williams's phone number?

The practice phone number listed in the NPPES registry for Sandra Williams is (512) 399-9039.

Is Sandra Williams's NPI active?

Yes — Sandra Williams's NPI (1003783275) is active in the NPPES registry as of the last update on 2025-10-21.

IndividualActive

Sandra Williams, MDA, RD, LD

NPI 1003783275 · Registered Dietitian · Austin, TX

Sandra Williams, MDA, RD, LD is a Registered Dietitian provider in Austin, TX (NPI 1003783275).

Provider details

NPI number: 1003783275
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: MDA, RD, LD
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3724 Jefferson St Ste 104

Austin, TX 78731-6204

Phone: (512) 399-9039

Street-level locationGet directions

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Mailing address