Theresa Nguyen
NPI 1619487311 · Renal Nutrition Registered Dietitian · Orange, CA
Theresa Nguyen is a Renal Nutrition Registered Dietitian provider in Orange, CA (NPI 1619487311).
Provider details
- NPI number
- 1619487311
- Entity type
- Individual
- Primary specialty
- Renal Nutrition Registered DietitianDietary & Nutritional Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
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
83% 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)
- 7861 13th St Apt BWestminster, CA 92683-4482Phone: (714) 280-5667
Registry dates
- Enumerated
- 2017-10-07
- Last updated
- 2018-03-17
Frequently asked questions
- What is Theresa Nguyen's NPI number?
- Theresa Nguyen's National Provider Identifier (NPI) is 1619487311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Nguyen's specialty?
- Theresa Nguyen is listed in the NPPES registry with a primary specialty of Renal Nutrition Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Theresa Nguyen located?
- Theresa Nguyen's practice location on file with NPPES is 333 City Blvd W Ste 400, Orange, CA 92868-2994.
- What is Theresa Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Theresa Nguyen is (714) 456-7715.
- Is Theresa Nguyen's NPI active?
- Yes — Theresa Nguyen's NPI (1619487311) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.