Diane Nguyen
NPI 1598636383 · Occupational Therapist · San Francisco, CA
Diane Nguyen is a Occupational Therapist provider in San Francisco, CA (NPI 1598636383).
Provider details
- NPI number
- 1598636383
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 23060 (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
Under 1 yr in 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
- 2025-09-15
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Diane Nguyen's NPI number?
- Diane Nguyen's National Provider Identifier (NPI) is 1598636383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Nguyen's specialty?
- Diane Nguyen is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Diane Nguyen located?
- Diane Nguyen's practice location on file with NPPES is 4150 Clement St, San Francisco, CA 94121-1563.
- What is Diane Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Diane Nguyen is (415) 221-4810.
- Is Diane Nguyen's NPI active?
- Yes — Diane Nguyen's NPI (1598636383) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.