IndividualActive
Olivia-Grace Chau
NPI 1689523375 · Behavior Technician · Chicago, IL
Olivia-Grace Chau is a Behavior Technician provider in Chicago, IL (NPI 1689523375).
Provider details
- NPI number
- 1689523375
- 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(47/100 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
1657 W Cortland St
Chicago, IL 60622-1119
Phone: (877) 486-4140
Street-level locationGet directions
Mailing address
5641 S Blackstone Ave Apt 2
Chicago, IL 60637-1898
Registry dates
- Enumerated
- 2026-01-26
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is Olivia-Grace Chau's NPI number?
- Olivia-Grace Chau's National Provider Identifier (NPI) is 1689523375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia-Grace Chau's specialty?
- Olivia-Grace Chau is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Olivia-Grace Chau located?
- Olivia-Grace Chau's practice location on file with NPPES is 1657 W Cortland St, Chicago, IL 60622-1119.
- What is Olivia-Grace Chau's phone number?
- The practice phone number listed in the NPPES registry for Olivia-Grace Chau is (877) 486-4140.
- Is Olivia-Grace Chau's NPI active?
- Yes — Olivia-Grace Chau's NPI (1689523375) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.