Vivian Gregorchuk, OTR/L
NPI 1568713329 · Mental Health Occupational Therapist · Santa Ana, CA
Vivian Gregorchuk, OTR/L is a Mental Health Occupational Therapist provider in Santa Ana, CA (NPI 1568713329).
Provider details
- NPI number
- 1568713329
- Entity type
- Individual
- Primary specialty
- Mental Health Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14171 (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
13 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
- 2012-09-19
- Last updated
- 2025-07-23
Frequently asked questions
- What is Vivian Gregorchuk's NPI number?
- Vivian Gregorchuk's National Provider Identifier (NPI) is 1568713329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Gregorchuk's specialty?
- Vivian Gregorchuk is listed in the NPPES registry with a primary specialty of Mental Health Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Vivian Gregorchuk located?
- Vivian Gregorchuk's practice location on file with NPPES is 6 Hutton Centre Dr., Santa Ana, CA 92707.
- What is Vivian Gregorchuk's phone number?
- The practice phone number listed in the NPPES registry for Vivian Gregorchuk is (714) 241-5600.
- Is Vivian Gregorchuk's NPI active?
- Yes — Vivian Gregorchuk's NPI (1568713329) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.