Gianna Nilsson
NPI 1790623429 · Occupational Therapist · Irvine, CA
Gianna Nilsson is a Occupational Therapist provider in Irvine, CA (NPI 1790623429).
Provider details
- NPI number
- 1790623429
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 23326 (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
- 2026-03-23
- Last updated
- 2026-03-23
- Certified
- 2026-03-23
Frequently asked questions
- What is Gianna Nilsson's NPI number?
- Gianna Nilsson's National Provider Identifier (NPI) is 1790623429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gianna Nilsson's specialty?
- Gianna Nilsson is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gianna Nilsson located?
- Gianna Nilsson's practice location on file with NPPES is 5050 Barranca Pkwy, Irvine, CA 92604-4698.
- What is Gianna Nilsson's phone number?
- The practice phone number listed in the NPPES registry for Gianna Nilsson is (949) 936-5000.
- Is Gianna Nilsson's NPI active?
- Yes — Gianna Nilsson's NPI (1790623429) is active in the NPPES registry as of the last update on 2026-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.