Vivian Nguyen, OTR
NPI 1861530719 · Occupational Therapist · San Leandro, CA
Vivian Nguyen, OTR is a Occupational Therapist provider in San Leandro, CA (NPI 1861530719).
Provider details
- NPI number
- 1861530719
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR
- Sex
- Female
- Sole proprietor
- No
- License
- 8549 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative 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
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
Mailing address
Registry dates
- Enumerated
- 2007-02-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Vivian Nguyen's NPI number?
- Vivian Nguyen's National Provider Identifier (NPI) is 1861530719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Nguyen's specialty?
- Vivian Nguyen is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Vivian Nguyen located?
- Vivian Nguyen's practice location on file with NPPES is 1440 168th Ave, San Leandro, CA 94578-2409.
- What is Vivian Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Vivian Nguyen is (510) 481-6421.
- Is Vivian Nguyen's NPI active?
- Yes — Vivian Nguyen's NPI (1861530719) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.