IndividualActive
Margaret Williams, MS, RD
NPI 1548439656 · Registered Dietitian · San Jose, CA
Margaret Williams, MS, RD is a Registered Dietitian provider in San Jose, CA (NPI 1548439656).
Provider details
- NPI number
- 1548439656
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD
- Sex
- Female
- Sole proprietor
- No
- License
- 721231 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% 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
2425 Enborg Ln
San Jose, CA 95128-2648
Phone: (408) 885-4069
Fax: (408) 885-4055
Street-level locationGet directions
Mailing address
2425 Enborg Lane
San Jose, CA 95128
Registry dates
- Enumerated
- 2008-02-22
- Last updated
- 2008-02-22
Frequently asked questions
- What is Margaret Williams's NPI number?
- Margaret Williams's National Provider Identifier (NPI) is 1548439656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Williams's specialty?
- Margaret Williams is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Margaret Williams located?
- Margaret Williams's practice location on file with NPPES is 2425 Enborg Ln, San Jose, CA 95128-2648.
- What is Margaret Williams's phone number?
- The practice phone number listed in the NPPES registry for Margaret Williams is (408) 885-4069.
- Is Margaret Williams's NPI active?
- Yes — Margaret Williams's NPI (1548439656) is active in the NPPES registry as of the last update on 2008-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.