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Olivia Isaac-Clark
NPI 1871436998 · Behavior Technician · Ontario, CA
Olivia Isaac-Clark is a Behavior Technician provider in Ontario, CA (NPI 1871436998).
Provider details
- NPI number
- 1871436998
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
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
83% 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
1500 S Haven Ave Ste 240
Ontario, CA 91761-2973
Phone: (888) 928-8860
Fax: (909) 774-0113
Street-level locationGet directions
Mailing address
1500 S Haven Ave Ste 240
Ontario, CA 91761-2973
Registry dates
- Enumerated
- 2026-04-13
- Last updated
- 2026-04-13
- Certified
- 2026-04-13
Frequently asked questions
- What is Olivia Isaac-Clark's NPI number?
- Olivia Isaac-Clark's National Provider Identifier (NPI) is 1871436998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Isaac-Clark's specialty?
- Olivia Isaac-Clark is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Olivia Isaac-Clark located?
- Olivia Isaac-Clark's practice location on file with NPPES is 1500 S Haven Ave Ste 240, Ontario, CA 91761-2973.
- What is Olivia Isaac-Clark's phone number?
- The practice phone number listed in the NPPES registry for Olivia Isaac-Clark is (888) 928-8860.
- Is Olivia Isaac-Clark's NPI active?
- Yes — Olivia Isaac-Clark's NPI (1871436998) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.