IndividualActive
Tim Hsieh, RD
NPI 1619465515 · Registered Dietitian · Santa Clara, CA
Tim Hsieh, RD is a Registered Dietitian provider in Santa Clara, CA (NPI 1619465515).
Provider details
- NPI number
- 1619465515
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Male
- Sole proprietor
- No
- License
- 86026530 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
710 Lawrence Expy
Santa Clara, CA 95051-5173
Phone: (408) 851-1000
Approximate (ZIP-level) locationGet directions
Mailing address
968 Big Bear Ct
Milpitas, CA 95035-6954
Registry dates
- Enumerated
- 2018-04-25
- Last updated
- 2021-12-18
- Certified
- 2021-12-18
Frequently asked questions
- What is Tim Hsieh's NPI number?
- Tim Hsieh's National Provider Identifier (NPI) is 1619465515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tim Hsieh's specialty?
- Tim Hsieh is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Tim Hsieh located?
- Tim Hsieh's practice location on file with NPPES is 710 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Tim Hsieh's phone number?
- The practice phone number listed in the NPPES registry for Tim Hsieh is (408) 851-1000.
- Is Tim Hsieh's NPI active?
- Yes — Tim Hsieh's NPI (1619465515) is active in the NPPES registry as of the last update on 2021-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.