IndividualActive
Tiffany Nguyen, MS, RD
NPI 1720888639 · Registered Dietitian · San Francisco, CA
Tiffany Nguyen, MS, RD is a Registered Dietitian provider in San Francisco, CA (NPI 1720888639).
Provider details
- NPI number
- 1720888639
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 86326920 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
728 Pacific Ave
San Francisco, CA 94133-4457
Phone: (415) 391-9686
Street-level locationGet directions
Mailing address
5773 Barnswell Way
San Jose, CA 95138-1600
Registry dates
- Enumerated
- 2025-03-18
- Last updated
- 2025-03-18
- Certified
- 2025-03-18
Frequently asked questions
- What is Tiffany Nguyen's NPI number?
- Tiffany Nguyen's National Provider Identifier (NPI) is 1720888639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Nguyen's specialty?
- Tiffany Nguyen is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Tiffany Nguyen located?
- Tiffany Nguyen's practice location on file with NPPES is 728 Pacific Ave, San Francisco, CA 94133-4457.
- What is Tiffany Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Nguyen is (415) 391-9686.
- Is Tiffany Nguyen's NPI active?
- Yes — Tiffany Nguyen's NPI (1720888639) is active in the NPPES registry as of the last update on 2025-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.