Wing Shan Tam, RD
NPI 1538381629 · Registered Dietitian · Dublin, CA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wing Shan Tam, RD is a Registered Dietitian provider in Dublin, CA (NPI 1538381629).
Provider details
- NPI number
- 1538381629
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 929489 (HI)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 301 Old San Francisco RdSunnyvale, CA 94086-6386Phone: (650) 853-2961
Registry dates
- Enumerated
- 2007-05-02
- Last updated
- 2020-05-29
- Certified
- 2020-05-29
Frequently asked questions
- What is Wing Shan Tam's NPI number?
- Wing Shan Tam's National Provider Identifier (NPI) is 1538381629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wing Shan Tam's specialty?
- Wing Shan Tam is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Wing Shan Tam located?
- Wing Shan Tam's practice location on file with NPPES is 4050 Dublin Blvd, Dublin, CA 94568-3112.
- What is Wing Shan Tam's phone number?
- The practice phone number listed in the NPPES registry for Wing Shan Tam is (510) 498-2184.
- Does Wing Shan Tam accept Medicare?
- Wing Shan Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wing Shan Tam's NPI active?
- Yes — Wing Shan Tam's NPI (1538381629) is active in the NPPES registry as of the last update on 2020-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.